summaryrefslogtreecommitdiff
path: root/blog/post/2019-04-25.html
diff options
context:
space:
mode:
authorGravatar Chris Xiong <chirs241097@gmail.com> 2024-06-22 19:59:16 -0400
committerGravatar Chris Xiong <chirs241097@gmail.com> 2024-06-22 19:59:16 -0400
commit4e1a29cab8d31cff30d88d2dfc0f526372fc33bd (patch)
tree7a0c9b5d4a57ed734018b447eafdf5f51ab43151 /blog/post/2019-04-25.html
parente81928f76ab105c65a0a0997c289f0f521589128 (diff)
downloadweb-4e1a29cab8d31cff30d88d2dfc0f526372fc33bd.tar.xz
Move blog posts out of the tree.
Diffstat (limited to 'blog/post/2019-04-25.html')
-rw-r--r--blog/post/2019-04-25.html1468
1 files changed, 0 insertions, 1468 deletions
diff --git a/blog/post/2019-04-25.html b/blog/post/2019-04-25.html
deleted file mode 100644
index 01ceb09..0000000
--- a/blog/post/2019-04-25.html
+++ /dev/null
@@ -1,1468 +0,0 @@
-<!DOCTYPE html><html><head>
-<meta charset="utf-8">
-<meta name="viewport" content="width=device-width,initial-scale=1">
-<meta name="theme-color" content="#000000">
-<title>Chrisoft::Blog(r#"EDIROL SD-80: A Trapped Beast")</title>
-<meta name="description" content="«EDIROL SD-80: A Trapped Beast» de spelunca ursae">
-<meta name="author" content="Chris Xiong">
-<script type="text/javascript" src="/panel.js"></script>
-<script type="text/javascript" src="/themer.js"></script>
-<script type="text/javascript" src="/blog/footnoter.js"></script>
-<script type="text/javascript" src="/blog/aes-js.js"></script>
-<script type="text/javascript" src="/blog/scrypt.js"></script>
-<script type="text/javascript" src="/blog/sha256.js"></script>
-<script type="text/javascript" src="/blog/decryptor.js"></script>
-<link rel="stylesheet" type="text/css" href="/common.css">
-<link rel="stylesheet" type="text/css" href="/panel.css">
-<link rel="stylesheet" type="text/css" href="/theme0a.css" id="theme0a">
-<link rel="stylesheet" type="text/css" href="/theme0b.css" id="theme0b">
-<link rel="stylesheet" type="text/css" href="/theme1a.css" id="theme1a">
-<link rel="stylesheet" type="text/css" href="/theme1b.css" id="theme1b">
-<link rel="stylesheet" type="text/css" href="/theme2a.css" id="theme2a">
-<link rel="stylesheet" type="text/css" href="/theme2b.css" id="theme2b">
-<link rel="stylesheet" type="text/css" href="/theme3a.css" id="theme3a">
-<link rel="stylesheet" type="text/css" href="/theme3b.css" id="theme3b">
-<link rel="stylesheet" type="text/css" href="/blog/blogext.css">
-<script>
-function ol()
-{
- window.onresize=function()
- {
- if(window.innerWidth<768)
- setupevents();
- else unsetevents();
- }
- window.onresize();
- loadTheme();
- _decryptonload();
-}
-</script>
-</head>
-<body onload="ol()" style="overflow-x:hidden;">
- <div id="panel" class="TText">
- <ul id="panellist">
- <li><a href="/"><h1>Chrisoft</h1></a></li>
- <li><a href="/blog"><h2>Blog</h2></a></li>
- <li><a href="#"><h3 id="title">EDIROL SD-80: A Trapped Beast</h3></a></li>
- <li><span>Tags</span>
- <ul id="tagslist">
- <li><a href="/blog/list/device-review/">device-review</a></li><li><a href="/blog/list/midi/">midi</a></li><li><a href="/blog/list/music/">music</a></li><li><a href="/blog/list/hands-on/">hands-on</a></li></ul>
- </li>
- <li id="tocouter">
- <span>Table of Contents</span>
- <ul id="tocroot">
- <li><a class="toctarg" href="#tocanch0">STUDIO Canvas acquired</a></li><li><a class="toctarg" href="#tocanch1">The configuration</a></li><li><ul class="tocnode"><li><a class="toctarg" href="#tocanch2">Connection to the computer</a></li><li><a class="toctarg" href="#tocanch3">Settings things up in Linux</a></li><li><a class="toctarg" href="#tocanch4">Setting things up in Windows</a></li></ul></li><li><a class="toctarg" href="#tocanch5">What does it sound like?</a></li><li><ul class="tocnode"><li><a class="toctarg" href="#tocanch6">Relation
-to EDIROL HyperCanvas and the Cakewalk TTS-1</a></li><li><a class="toctarg" href="#tocanch7">UPDATE: 2019-10-12</a></li></ul></li><li><a class="toctarg" href="#tocanch8">Working with the SD-80</a></li><li><ul class="tocnode"><li><a class="toctarg" href="#tocanch9">Fighting against latency</a></li><li><a class="toctarg" href="#tocanch10">Recording</a></li><li><a class="toctarg" href="#tocanch11">Editing the sounds</a></li><li><a class="toctarg" href="#tocanch12">Impact on the workflow</a></li></ul></li><li><a class="toctarg" href="#tocanch13">Quirks</a></li><li><a class="toctarg" href="#tocanch14">Beneath the chassis</a></li><li><a class="toctarg" href="#tocanch15">What the manual doesn’t tell</a></li><li><ul class="tocnode"><li><a class="toctarg" href="#tocanch16">Testing mode</a></li><li><a class="toctarg" href="#tocanch17">Messing around sans the
-chassis</a></li><li><a class="toctarg" href="#tocanch18">Chart A</a></li><li><a class="toctarg" href="#tocanch19">Chart B</a></li></ul></li><li><a class="toctarg" href="#tocanch20">Verdict</a></li><li><a class="toctarg" href="#tocanch21">Things to do besides
-imitating ZUN</a></li><li><a class="toctarg" href="#tocanch22">Newer Roland sound modules?</a></li><li><a class="toctarg" href="#tocanch23">Trivia</a></li><li><a class="toctarg" href="#tocanch24">If you want to learn more …</a></li></ul>
- </li>
- <li style="margin-left:-0.5em"><a id="prevp" href="2019-02-13.html">Prev post</a></li>
- <li style="margin-left:-0.5em"><a id="nextp" href="2019-06-24.html">Next post</a></li>
- </ul>
- </div>
- <div id="content">
- <h2 id="titleh" class="TText" style="font-wight:normal;">EDIROL SD-80: A Trapped Beast</h2>
- <div id="datetags" class="TText" style="margin-bottom:1em;">2019-04-25<br>#device-review #midi #music #hands-on</div>
- <hr><div id="article" class="TText"><script>
-window.addEventListener("DOMContentLoaded",function(){
-const cl=document.querySelectorAll('div.collapse');
-let n=0;
-for(let x of cl)
-{
- const d=document.createElement('blockquote');
- const dd=x.cloneNode(true);
- x.parentNode.insertBefore(d,x);
- x.parentNode.removeChild(x);
- dd.id=`cc${n++}`;
- dd.style.display='none';
- const s=document.createElement('span');
- const b=document.createElement('b');
- const a=document.createElement('a');
- a.classList.add('ca');
- a.setAttribute('x',n-1);
- a.innerHTML='show';
- a.href='javascript:void(0)';
- if (dd.hasAttribute('caption'))
- b.innerHTML=dd.getAttribute('caption');
- else
- b.innerHTML=dd.getAttribute('data-caption');
- s.appendChild(b);
- s.appendChild(document.createTextNode(' ['));
- s.appendChild(a);
- s.appendChild(document.createTextNode(']'));
- d.appendChild(s);
- d.appendChild(dd);
- a.onclick=function()
- {
- let x='none';
- if(a.innerHTML=='show')
- {
- a.innerHTML='hide';
- x='block';
- }
- else
- {
- a.innerHTML='show'
- }
- document.getElementById(`cc${a.getAttribute('x')}`).style.display=x;
- }
-}
-const al=document.querySelectorAll('audio');
-n=0;
-for(let x of al)
-{
- x.id=`a${n++}`;
- x.onplay=function()
- {
- for(let x of al)
- {
- if(x.id!=this.id)x.pause();
- }
- }
-}
-});
-</script>
-<article>
-<p>This article is about my hands on of the EDIROL STUDIO Canvas SD-80.
-Even though I’m a newcomer to the STUDIO Canvas owners community,
-veterans may still find something interesting here.</p>
-<p><strong>UPDATE</strong>: links to board shots are fixed.</p>
-<p><strong>UPDATE</strong>: <a href="https://chrisoft.org/blog/post/2020-11-20.html">A sequel</a> to
-this article has been posted. The sequel contains new updates,
-discoveries and corrections to this article.</p>
-<p><strong>UPDATE</strong> (2022-06-30): the sequel is now
-<em>actually</em> published.</p>
-<h2 id="tocanch0" class="tvis"><em>STUDIO Canvas</em> acquired</h2>
-<p>Ever since I learned that ZUN uses a SD-90 as one of his major
-synthesizers <a href="https://www12.atwiki.jp/touhousoundfont/pages/22.html">here</a>,
-I’ve always been dreaming to get my hands on one of those. But these
-things are not particularly easy to find in China. There are plenty of
-deals on ebay though. However, after a failed purchase attempt made in
-2016 which also led to the ridiculous suspension of my ebay account, I
-left the idea alone for multiple years. Things changed earlier this
-month, when <a href="https://owner203.com">owner203</a> helped me
-acquire my very own SD-80 and kindly delivered it from Japan.</p>
-<p>I did not go for a SD-90 since they are all ridiculously priced in
-2019. The deal I tried to make back in 2016 would cost me around $300
-(shipping included). Now they are all way beyond $400. This forced me to
-resort to lower-end models, namely the SD-80 and SD-20. There’s also the
-SD-50 which I almost bought back in 2014, before I found out it is
-essentially a stripped-down version of Roland SonicCell without the SRX
-expandability. Therefore although the SD-50 retains the compatibility
-with the synth engine found in SD-90 (both are from models supporting
-SRX, namely the XV-5080 and SonicCell), it comes with a complete new set
-of waveforms and patches which makes it sounds totally different. So the
-SD-50 is definitely a no go.</p>
-<p>The only choices left are SD-80 and SD-20. SD-20 can be found very
-cheap online (from $59). However SD-20 does have half of the polyphony
-and most editability of other STUDIO Canvas’ axed. Also gone are 3
-entire sound banks (and presumably some waveforms). On the other hand,
-SD-80 costs a lot more (starting from ~$200), but is capable of
-generating everything the SD-90 can (the only missing part in SD-80
-compared to SD-90 is the audio interface). After deciding no more
-compromise should be made, I went straight for the SD-80.</p>
-<p>The module arrived two weeks after the order was placed. It certainly
-wasn’t the happiest SD-80 in the world: the chassis bears quite a lot of
-scratches all around. The value knob takes a lot of force to turn and
-has a good amount of friction on it, to which I found a quick solution
-by simply pushing the knob downwards a little bit while turning it.
-Aside from the looks, the module itself is in perfect working order. It
-came with a power cord and its rack mount ears, but without any of its
-original paperwork or the CD-ROM. As most of the documentation and
-drivers can be found online, the only things I’ve lost are the demo midi
-files, which is still a shame.</p>
-<table>
-<tbody><tr>
-<td>
-<div style="text-align:center;max-width:98%;">
-<a href="//filestorage.chrisoft.org/blog/img/SD-80_top.jpg"><img style="width: 50%;" src="//filestorage.chrisoft.org/blog/img/ssbsthumb_1536x1536_SD-80_top.jpg"></a> <br>Top cover
-</div>
-</td>
-<td>
-<div style="text-align:center;max-width:98%;">
-<a href="//filestorage.chrisoft.org/blog/img/SD-80_label.jpg"><img style="width: 50%;" src="//filestorage.chrisoft.org/blog/img/ssbsthumb_1536x1536_SD-80_label.jpg"></a> <br>Label with S/N
-removed. Visible on top left corner is a foot pad that seems to be a
-slice of cork.
-</div>
-</td>
-</tr>
-<tr>
-<td>
-<div style="text-align:center;max-width:98%;">
-<a href="//filestorage.chrisoft.org/blog/img/SD-80_front.jpg"><img style="width: 50%;" src="//filestorage.chrisoft.org/blog/img/ssbsthumb_1536x1536_SD-80_front.jpg"></a> <br>Left half of
-the front panel. Buttons yellowed out, showing the module’s age.
-Scratches and dents are visible.
-</div>
-</td>
-<td>
-<div style="text-align:center;max-width:98%;">
-<a href="//filestorage.chrisoft.org/blog/img/SD-80_back.jpg"><img style="width: 50%;" src="//filestorage.chrisoft.org/blog/img/ssbsthumb_1536x1536_SD-80_back.jpg"></a> <br>Wow! Such
-Optical! Much MIDI!
-</div>
-</td>
-</tr>
-</tbody></table>
-<h2 id="tocanch1" class="tvis">The configuration</h2>
-<h3 id="tocanch2" class="tvis">Connection to the computer</h3>
-<p>Without the audio interface portion, it’s impossible to use the SD-80
-with only a USB connection: you need something for it to connect to in
-order to make a recording.</p>
-<p>To begin with, I wanted to get something that accepts S/PDIF input
-for the audio interface. But those kind of things are scarce today. The
-closet model I could find in Chinese market was from an unknown vendor
-and comes with a very sketchy chip, whose official driver only supports
-up to Windows 7 32-bit. As a crappy digital interface may sound worse
-than a more decent analog one, I went for one of the cheapest audio
-interfaces available: a Focusrite Scarlett Solo (which is more than 5
-times the price of the weird digital interface and probably still better
-than the one comes with SD-90 as it supports up to 192 KHz sampling
-rate).</p>
-<p>For a audio equipment novice, connecting things up wasn’t that
-straightforward: I tried connecting the phone output on the SD-80 to the
-line in of the audio interface and it kind of works. There is just one
-<em>tiny</em> problem: the left and right channels got mixed up into
-one, and is only on the right channel in a stereo recording. At first I
-thought it was my cable. But after a couple minutes of researching, I
-found out that every input on an audio interface is actually mono.
-<strong>WHY</strong>? Guess I’ll never know.</p>
-<p>So I got another TRS to XLR connector. After connecting the left
-channel of output 1 on the SD-80 to the microphone input on the audio
-interface and the right channel to line level input, it produces stereo
-recordings as expected. The resulting audio is very unbalanced though,
-due to the microphone input being much more sensitive than the line
-level input. In order to balance them I played a sine wave on the SD-80
-and adjust the input level of each channel so that while turning down
-the volume knob on the SD-80, the level indicators on all channels stop
-blinking at the same time.</p>
-<p>The ‘direct monitor’ switch on Scarlett Solo enables live monitoring
-of the input without operating system intervention and therefore,
-without latency. However the direct monitor feature on Scarlett Solo is
-limited to mono only, so in order to get stereo monitoring, a round-trip
-through the computer is required.</p>
-<h3 id="tocanch3" class="tvis">Settings things up in Linux</h3>
-<p>If you are absolutely insane and using Gentoo Linux just like me,
-make sure you’ve already got working audio and have the following kernel
-configuration items enabled:</p>
-<pre><code>Device Drivers ---&gt;
- &lt;*&gt; Sound card support
- &lt;*&gt; Advanced Linux Sound Architecture ---&gt;
- [*] USB sound devices
- &lt;*&gt; USB Audio/MIDI driver</code></pre>
-<p>Both SD-80 and Scarlett Solo should then just work out of box (if you
-are using pulseaudio <a id="n1" href="#note1" class="note">[1]</a>).</p>
-<p>At first I thought only the ‘generic’ USB mode of SD-80 is supported
-by this kernel module, however it turns out the ‘vendor’ USB mode works
-just fine as well. It also suffers a lot less stuttering.</p>
-<p>The USB vendor ID and product ID is 0582:0029. Changing the USB mode
-to generic makes it 0582:002a.</p>
-<p>In order to monitor the input, load the loopback module first:</p>
-<pre><code>pactl load-module module-loopback latency_msec=1</code></pre>
-<p>(<code>latency_msec</code> means exactly what the name suggests)</p>
-<p>then move it to the audio input of the audio interface:</p>
-<pre><code>pacmd move-source-output 7 alsa_input.usb-Focusrite_Scarlett_Solo_USB-00.analog-stereo</code></pre>
-<p>where 7 is the index of the loopback followed by the name of the
-input of your audio interface. Usually you can use tab completion,
-however if you are still unsure, you may also use a GUI utility such as
-<code>pavucontrol</code>.</p>
-<p>I haven’t tried JACK yet. But using QjackCtl should make everything a
-breeze.</p>
-<p>The editor for SD-80 works perfectly using wine.</p>
-<h3 id="tocanch4" class="tvis">Setting things up in Windows</h3>
-<p>Setting things up in Windows is somehow more tedious than it should
-be. Roland didn’t bother releasing a driver for Windows 10, but a web
-search indicates the driver for Windows 8/8.1 works on Windows 10 with a
-minor tweak. As the device works with a generic driver on Linux even
-when the USB mode is set to ‘vendor’, it will probably work on Windows
-without the Roland driver too. Although I’d rather install the official
-driver for Windows 8/8.1 because there is one.</p>
-<p>The tweak is simple. Open up <code>RDIF1023.INF</code> in a text
-editor, copy everything under section <code>[Roland.NTamd64.6.2]</code>
-to section <code>[Roland.NTamd64.7]</code> and you are good to go.
-Driver signature enforcement has to be disabled as stated in the quick
-start manual.</p>
-<p>Settings up monitoring is as simple as clicking on a checkbox in the
-control panel or a button in your DAW. You just don’t see one use the
-command prompt for this purpose on Windows.</p>
-<h2 id="tocanch5" class="tvis">What does it sound like?</h2>
-<p>Well, it sounds super ‘ZUNish’, if you’ve ever listened to Touhou
-music. It’s definitely the best sounding module back in 2002 (barring
-those extendable modules such as XV-5080).</p>
-<div style="text-align:center">
-<audio controls="" preload="none" src="//filestorage.chrisoft.org/blog/data/SD-80/clouds_SD-80.ogg">
-</audio>
-<p>SD-80’s take on clouds.mid (an easter egg thing in Windows 95)</p>
-</div>
-<p>All instruments are from the ‘solo’ set. The trumpet is ‘Tp.Dark
-vib’, which is the famous ‘Romantic Tp’ with a significant lower filter
-cutoff. Everything else is the basic variant.</p>
-<div style="text-align:center">
-<audio controls="" preload="none" src="//filestorage.chrisoft.org/blog/data/SD-80/th06_02_SD-80.ogg">
-</audio>
-<p>SD-80’s take on th06_02.mid</p>
-</div>
-<p>In general the STUDIO Canvas sounds more expressive than most other
-tone generators, virtual or not. This is probably related to its default
-non-zero modulation level (10) on every part. <a id="n2" href="#note2" class="note">[2]</a> Technically this makes it GM2-incompatible as
-section 3.3.2 of the GM2 specification says the default value for
-modulation depth should be 0.</p>
-<p>Also the STUDIO Canvas has a bunch of waveforms of instruments played
-with vibrato, which is absent on some expandable modules such as the
-XV-5080 <a id="n3" href="#note3" class="note">[3]</a>, making vibrato sounds
-much more natural than simulating with LFO modulating the pitch and
-other parameters.</p>
-<h3 id="tocanch6" class="tvis">Relation
-to EDIROL HyperCanvas and the Cakewalk TTS-1</h3>
-<p>There’s a rumor saying HyperCanvas and TTS-1 is essentially the
-‘classical’ set from the STUDIO Canvas. And I believed the rumor has
-been around for quite some time. Finally I can check it out myself.</p>
-<div style="text-align:center">
-<audio controls="" preload="none" src="//filestorage.chrisoft.org/blog/data/SD-80/SD-80.ogg">
-</audio>
-<p>flourish.mid on SD-80 with every instrument from the ‘classical’ set
-and basic variant selected.</p>
-</div>
-<div style="text-align:center">
-<audio controls="" preload="none" src="//filestorage.chrisoft.org/blog/data/SD-80/TTS-1.ogg">
-</audio>
-<p>flourish.mid on Cakewalk TTS-1, everything also from bank 0.</p>
-</div>
-<p>The first impression is they do sound quite alike. But as soon as the
-drums kick in, you’ll find out they actually sound different.</p>
-<div>
-<table style="position:relative;left:50%;transform:translate(-50%,0);">
-<tbody><tr style="text-align:center">
-<td>
-</td>
-<td>
-SD-80
-</td>
-<td>
-TTS-1
-</td>
-</tr>
-<tr>
-<td>
-Piano
-</td>
-<td>
-<audio controls="" preload="none" src="//filestorage.chrisoft.org/blog/data/SD-80/Piano_SD-80.ogg">
-</audio>
-</td>
-<td>
-<audio controls="" preload="none" src="//filestorage.chrisoft.org/blog/data/SD-80/Piano_TTS-1.ogg">
-</audio>
-</td>
-</tr>
-<tr>
-<td>
-Marimba
-</td>
-<td>
-<audio controls="" preload="none" src="//filestorage.chrisoft.org/blog/data/SD-80/Marimba_SD-80.ogg">
-</audio>
-</td>
-<td>
-<audio controls="" preload="none" src="//filestorage.chrisoft.org/blog/data/SD-80/Marimba_TTS-1.ogg">
-</audio>
-</td>
-</tr>
-<tr>
-<td>
-Nylon Guitar
-</td>
-<td>
-<audio controls="" preload="none" src="//filestorage.chrisoft.org/blog/data/SD-80/Guitar_SD-80.ogg">
-</audio>
-</td>
-<td>
-<audio controls="" preload="none" src="//filestorage.chrisoft.org/blog/data/SD-80/Guitar_TTS-1.ogg">
-</audio>
-</td>
-</tr>
-<tr>
-<td>
-Fingered Bass
-</td>
-<td>
-<audio controls="" preload="none" src="//filestorage.chrisoft.org/blog/data/SD-80/Bass_SD-80.ogg">
-</audio>
-</td>
-<td>
-<audio controls="" preload="none" src="//filestorage.chrisoft.org/blog/data/SD-80/Bass_TTS-1.ogg">
-</audio>
-</td>
-</tr>
-<tr>
-<td>
-Soprano Sax
-</td>
-<td>
-<audio controls="" preload="none" src="//filestorage.chrisoft.org/blog/data/SD-80/Sax_SD-80.ogg">
-</audio>
-</td>
-<td>
-<audio controls="" preload="none" src="//filestorage.chrisoft.org/blog/data/SD-80/Sax_TTS-1.ogg">
-</audio>
-</td>
-</tr>
-<tr>
-<td>
-Sweep Pad
-</td>
-<td>
-<audio controls="" preload="none" src="//filestorage.chrisoft.org/blog/data/SD-80/Sweep_SD-80.ogg">
-</audio>
-</td>
-<td>
-<audio controls="" preload="none" src="//filestorage.chrisoft.org/blog/data/SD-80/Sweep_TTS-1.ogg">
-</audio>
-</td>
-</tr>
-<tr>
-<td>
-Drums
-</td>
-<td>
-<audio controls="" preload="none" src="//filestorage.chrisoft.org/blog/data/SD-80/Drums_SD-80.ogg">
-</audio>
-</td>
-<td>
-<audio controls="" preload="none" src="//filestorage.chrisoft.org/blog/data/SD-80/Drums_TTS-1.ogg">
-</audio>
-</td>
-</tr>
-</tbody></table>
-</div>
-<p>It’s quite obvious that the drums set of TTS-1 is actually taken from
-SC-88Pro (except Elec. Snare, which is taken from Electric Set). The
-piano sounds almost identical<a id="n4" href="#note4" class="note">[4]</a>. Sax, marimba and sweep pad
-also sounds identical. Bass seems to heve different velocity curves and
-guitar in TTS-1 sounds more bright.</p>
-<p>Further more, if you have Super Quartet, which is also made by
-Edirol, you may find out they also share many similar sounds, namely
-‘Rockabilly’, ‘Jazz Bass’, ‘Rock Bass’ and ‘Acoustic Set’, which
-correspond to ‘Rockabilly’, ‘Jazz Bass’, ‘Fingered Bs2’ and
-‘St.Standard’<a id="n5" href="#note5" class="note">[5]</a>.</p>
-<p>These old Edirol software synthesizers might have a very different
-engine compared to the XV engine found in the STUDIO Canvasses
-considering the DSP power of PCs of that time period. So it’s normal
-that the TTS-1 produces subtly different sound even when the same
-samples are used.</p>
-<div>
-<table style="position:relative;left:50%;transform:translate(-50%,0);">
-<tbody><tr>
-<td style="text-align:center">
-<audio controls="" preload="none" src="//filestorage.chrisoft.org/blog/data/SD-80/SCVA%2088Pro.ogg">
-</audio>
-<br>bonus clip: flourish.mid on SOUND Canvas VA (SC-88Pro Map)
-</td>
-<td style="text-align:center">
-<audio controls="" preload="none" src="//filestorage.chrisoft.org/blog/data/SD-80/Drums_SCVA.ogg">
-</audio>
-<br>bonus clip: Drums from flourish.mid on SOUND Canvas VA (SC-88Pro
-Map)
-</td>
-</tr>
-</tbody></table>
-</div>
-<p>SOUND Canvas VA doesn’t simulate anything it claims to perfectly, but
-it’s the best result someone who doesn’t physically own a SC-88Pro can
-achieve I guess.</p>
-<p>All audio files above were recorded using Cakewalk by Bandlab.
-<del>The Cubase Pro purchase was just for more instruments to be added
-to my HALion library.</del></p>
-<p>Here are more bonus clips recorded using <code>arecord</code> on
-Linux.</p>
-<div style="text-align:center">
-<audio controls="" preload="none" src="//filestorage.chrisoft.org/blog/data/SD-80/th06_13_SD-80.ogg">
-</audio>
-<p>th06_13.mid</p>
-</div>
-<div style="text-align:center">
-<audio controls="" preload="none" src="//filestorage.chrisoft.org/blog/data/SD-80/th06_15_SD-80.ogg">
-</audio>
-<p>th06_15.mid (I didn’t bother adjusting fade in value for the vibrato
-LFO.)</p>
-</div>
-<p>And finally SD-80 in a mix, featuring two signature instruments ZUN
-used a lot in recent games (‘Romantic Tp’ and ‘Reed Romance’) and also
-‘St.Sm Choir’.</p>
-<div style="text-align:center">
-<audio controls="" preload="none" src="//filestorage.chrisoft.org/music/ogg/%E6%B7%B1%E6%B5%B7%E4%B8%83%E8%8A%B1%EF%BD%9EForgotten%20Benefit_extended_remix.ogg">
-</audio>
-<p>深海七花～Forgotten Benefit_extended_remix<br>
-(Theme of stage 6 boss of <a href="http://rgbxyz.org/th_kaikeidou/top.html">Touhou Kaikeidou</a>,
-arranged a bit. Originally by <a href="https://blogs.yahoo.co.jp/crystalwings6">Crystalwings</a>)</p>
-</div>
-<h3 id="tocanch7" class="tvis">UPDATE: 2019-10-12</h3>
-<p>Now that I’ve been using my SD-80 for some time, I could say more
-about the sounds built into it.</p>
-<p>Piano sounds in the SD-80 are not super compelling, mainly because
-it’s too bright and thin. Sure it has improved a lot since the early
-days, but it’s still nowhere near the real thing.</p>
-<p>Guitars and basses are in a similar situation. Most of these are also
-nowhere near realistic. However there <em>is</em> something worth of
-noting in this category, which is distortion guitar. Dist guitar presets
-with MFX pre-applied are much more better sounding than the old plain
-sample-based sounds.</p>
-<p>Orchestral sounds are expressive, sometimes overly expressive. There
-are not much variations either: no spiccato or solo pizzicato sounds.
-With a bit of tweaking though, symphony tracks do sound decent on the
-SD-80.</p>
-<p>Lead sounds and pads are superb, especially those from the special
-sets. With the editor a lot more nice sounds could be created. A lot of
-presets with step modulation typical of that days could be found both
-built-in and on the Internet (as midi system exclusive messages).</p>
-<p>Drums are half decent. Somehow I don’t really like Roland’s choice of
-their acoustic drum sets. I would always turn to other virtual drums for
-acoustic drums. Electric drum sounds are pretty good, but there are
-simply not enough electric drum sounds inside the SD-80.</p>
-<p>Also I don’t really like how Roland arranges the sounds into 4 GM2
-sound sets. This severely limits the number of different kind of
-instruments. For example, rather than a lot of different vocal sounds
-that can be found in the SC-8850, in the SD-80 we only have Voice Oohs,
-Voices Oohs 2, St.&nbsp;Vox Oohs and Enh.Vox Oohs.</p>
-<p>The GS and XG lite modes don’t sound very good, which contain sounds
-that are more like stripped down version of its native presets than a
-genuine GS or XG lite synthesizer. The GS sounds are almost pathetic: it
-only come with the same instrument map as the SC-55, and sounds really
-cheap. Compatibility wise, however, the SD-80 does a nice job. It does
-seem to support all NRPNs and control messages of these standards (even
-though it sometimes screw up parameter scaling). But due to the fact
-that there aren’t really a lot of usable sounds in these modes, I don’t
-find these modes particularly useful.</p>
-<p>The SD-80 has 32MB of sample content <a id="n6" href="#note6" class="note">[6]</a>, which is on par with
-both SC-8850 and XV-5080. This is quite surprising because some of the
-sounds in XV-5080 are so much more realistic than those in SD-80 or
-SC-8850. The XV-5080 managed to squeeze 1083 samples into the 32MB wave
-ROM while the SD-80 only comes with 589 samples, which are often of
-lower quality. I don’t quite get why Roland did this.</p>
-<h2 id="tocanch8" class="tvis">Working with the SD-80</h2>
-<h3 id="tocanch9" class="tvis">Fighting against latency</h3>
-<p>Even though Scarlett Solo can achieve a very low latency, there’s no
-way I can squeeze out enough processing power out of my ULV dual core i7
-to handle it. Therefore I was forced to live with ~11 ms latency, which
-is not <em>that</em> high, but still a quite significant amount to deal
-with.</p>
-<p>Cakewalk’s glitchy latency compensation makes things even worse: it
-works in some projects but completely out of order for the others. In
-order to listen to a full mix, I have to make a short recording, which
-is really annoying. As this is much more expensive time-wise, I started
-using more guesswork before trying a full mix and it’s probably not
-good.</p>
-<h3 id="tocanch10" class="tvis">Recording</h3>
-<p>Recording is simple and works as expected. However I seem to suffer
-from quite a high SNR value, which hovers around ~90 dB. Perhaps it’s my
-crappy cables making me pay.</p>
-<h3 id="tocanch11" class="tvis">Editing the sounds</h3>
-<p>The best thing about SD-80 is its editability. Neither SD-90 nor
-SD-20 came with the same level of editability upon launch. <a id="n7" href="#note7" class="note">[7]</a></p>
-<p>As claimed by the <a href="https://www.soundonsound.com/reviews/edirol-SD80">Sound On Sound
-review</a>, the editor for SD-80 is very similar to the one for XV-2020.
-The editor exposes a generic sample-based synthesis engine quite
-comparable to the one found in HALion (with more restrictions, of
-course). It lets you take full control of the synthesis engine and even
-create new patches not found anywhere else.</p>
-<p>The synthesis engine consists of four layers (with up to two samples
-<a id="n8" href="#note8" class="note">[8]</a> for each layer, plus
-frequency modulation), four filters (one for each layer), eight envelope
-generators (amplitude EG and filter EG for each layer), two LFOs
-<a id="n9" href="#note9" class="note">[9]</a> and a 4*4 modulation matrix. There are also 90
-post-processing effects (some of which are combinations of multiple
-simple effects, hence the name ‘MFX’) to choose from for each
-channel.</p>
-<p>Restrictions aforementioned include inability to use external samples
-so you are essentially locked in to 589 built-in waveforms (which is
-probably fine because it’s not what the STUDIO Canvas line is aimed at),
-limited number of envelope nodes, limited modulation routing, restricted
-number of different MFX’s that can be used at the same time (3).</p>
-<p>The editor has quite terrible user experience. Guess it’s common for
-such decades-old software. It comes with a twenty-page pdf manual (which
-contains a lot of excerpts from the XV-5080 owner’s manual), which focus
-on the internals of the synthesizer, and a html manual, which focus on
-the interface of the editor.</p>
-<p>I’ve also tried editor software for other STUDIO Canvas modules using
-the same generation of XV engine. The SD-20 editor works seamlessly with
-SD-80, and it only offers basic parameters editing just like TTS-1. The
-SD-90 editor, despite being extremely similar to the SD-20 editor,
-doesn’t work at all, which is not surprising as it’s essentially the
-SD-20 editor plus an editor for the audio mixer and audio effects
-processor found in the SD-90, which the SD-80 lacks.</p>
-<p>By the way, if you have hi-dpi display and use Windows 10, be sure to
-use ‘System (Enhanced)’ scaling behavior for the SD-80 Editor. It scales
-perfectly that way.</p>
-<p>I’m not going to scatter the post with even more pictures, so please
-follow the links for selected screenshots of the editor:</p>
-<p><a href="//filestorage.chrisoft.org/blog/img/SD-80_editor_a.png">main
-screen</a> / <a href="//filestorage.chrisoft.org/blog/img/SD-80_editor_b.png">‘part
-survey’</a> / <a href="//filestorage.chrisoft.org/blog/img/SD-80_editor_c.png">layers</a>
-/ <a href="//filestorage.chrisoft.org/blog/img/SD-80_editor_e.png">amp
-EG</a> / <a href="//filestorage.chrisoft.org/blog/img/SD-80_editor_f.png">LFO</a> /
-<a href="//filestorage.chrisoft.org/blog/img/SD-80_editor_h.png">layers
-mapping</a> / <a href="//filestorage.chrisoft.org/blog/img/SD-80_editor_i.png">modulation
-matrix</a> / <a href="//filestorage.chrisoft.org/blog/img/SD-80_editor_k.png">patch
-options</a> / <a href="//filestorage.chrisoft.org/blog/img/SD-80_editor_l.png">‘part
-all’</a> / <a href="//filestorage.chrisoft.org/blog/img/SD-80_editor_m.png">MFX
-editing</a> / <a href="//filestorage.chrisoft.org/blog/img/SD-80_editor_r.png">Rhythm
-layers editor</a> / <a href="//filestorage.chrisoft.org/blog/img/SD-80_editor_u.png">Rhythm amp
-EG</a></p>
-<h3 id="tocanch12" class="tvis">Impact on the workflow</h3>
-<p>First of all I’ve to record and thus, deal with latency, noise and
-clipping. It’s pretty annoying as already mentioned above.</p>
-<p>Also the SD-80 doesn’t integrate very well with any DAW. There’s no
-way your settings of this hardware synth get saved automatically with
-your project like a virtual synth. Also forget about automation and all
-sort of things. You have to use MIDI events and system exclusive
-messages (especially tuning some obscure parameters) for this purpose,
-and DAW software doesn’t have great support for system exclusive
-messages in general.</p>
-<h2 id="tocanch13" class="tvis">Quirks</h2>
-<p>The SD-80 is GM2 compatible. However many midi files you randomly
-find may not play on it even when the device is in GM2 mode. If the midi
-file being played has any sort of bank selection event not recognized by
-the SD-80, the corresponding part will produce no sound at all.</p>
-<p>If your midi file has NRPN messages, things will get even worse.
-These things are essentially undocumented for the SD-80. All I could say
-is good luck keeping your eardrum intact. <a id="n10" href="#note10" class="note">[10]</a></p>
-<p>The manual says ‘This set (“classical” set) is also used when GM2
-data compatibility is important’. However upon receiving the GM2 on
-message, the module automatically selects ‘contemporary’ set for every
-part. It seems impossible to change this behavior.</p>
-<p>The XG Lite mode has way more instruments available than what the
-manual has listed. Bank 18 patch 1 gives you ‘Piano 1d’ (presumably
-‘Mellow Grand Piano’ in XG specification), which is not listed in the
-manual. It actually has 489 normal patches, 49 sfx patches, 2 sfx kits
-and 9 drum kits <a id="n11" href="#note11" class="note">[11]</a>. It’s quite irony to find out that they have more patches
-for their competitor’s standard than their own legacy standard. However
-these sounds are relatively lame when compared with authentic YAMAHA XG
-synthesizers of the same period. Particularly some sounds in different
-variant slot of the same patch number sounds almost identical. Roland
-obvious put less effort in these sounds in terms of sound designing.</p>
-<p>MIDI timing messes up if events flood in within a demisemiquaver
-worth of time. This quirk resembles the problem QMidiPlayer for Windows
-suffered from in its early days. But I’m pretty sure the cause is
-completely different. <a id="n12" href="#note12" class="note">[12]</a> Also this could be a
-common issue of old MIDI devices, as my old YAMAHA keyboards does the
-exact same thing.</p>
-<p>The sound generated by the SD-80/90 is phasey as could be heard in
-ZUN’s early works. If unsure, take a look at the spectrogram.</p>
-<p>The module, as all electric appliances do, generates heat. The manual
-says “A small amount of heat will radiate from the unit during normal
-operation”, and the chassis do get quite warm even when it is completely
-idle. This didn’t become an issue until later.</p>
-<p>Finally there are a couple of quirks in Roland’s former partner
-Cakewalk. Whenever the input signal level exceeds 0dB, instead of
-clipping the audio, it produces a loud cracking or popping sound in the
-record. Cubase and arecord have no such problem.</p>
-<p>Another quirk with Cakewalk is its metronome. Metronome settings in
-Cakewalk is saved on a per-project basis and there’s no way to change
-the default value (unless creating a template, which is useless for
-existing projects). By default it sends the metronome to the default
-MIDI device, which result in records with metronome clicks in them.</p>
-<h2 id="tocanch14" class="tvis">Beneath the chassis</h2>
-<p>Although I cherish the module quite a lot and there are warning text
-on top of it (which I can’t read because it’s in Japanese and … well,
-English), I disassembled the unit.</p>
-<div style="text-align:center;max-width:90%;">
-<a href="//filestorage.chrisoft.org/blog/img/SD-80_caution.jpg"><img style="width: 50%;" src="//filestorage.chrisoft.org/blog/img/ssbsthumb_1536x1536_SD-80_caution.jpg"></a> <br>CAUTION!!
-注意!! ATTENTION!! (/a.tɑ̃.sjɔ̃/)
-</div>
-<p>As most other vendors does, Roland build their audio equipment ‘like
-a tank’. The entire chassis is made out of aluminium and steel, and has
-an absolutely crazy amount of screws on it. The front panel came off
-after taking out 5 screws on top and bottom, after which I took out the
-value knob and the rubber button sheet for a cleanup.</p>
-<p>The top cover was freed after taking out 11 screws. Under the top
-cover lies the guts of SD-80. All boards except the power supply board
-uses SMD components extensively. The main board is made exclusively
-using SMD components, which is probably quite impressive back in the
-early 2000s.</p>
-<p>The power supply module is surrounded with thick plastic sheet
-presumably for insulation. Rated voltage for the module seems to be
-changeable by using different pin layouts on the input side. The power
-supply module is made of two separate boards. The two boards are
-connected with two wide connectors that only have a few pins on them. I
-would guess the pin layout on the connectors sets the rated voltage of
-the module but I’m not sure. I would definitely test that out
-someday.</p>
-<p>I took note of the engravment of every chip on the main board, which
-could be found in chart B below.</p>
-<table>
-<tbody><tr>
-<td>
-<a href="//filestorage.chrisoft.org/blog/img/SD-80_buttonpanel.jpg"><img style="width: 50%;" src="//filestorage.chrisoft.org/blog/img/ssbsthumb_1536x1536_SD-80_buttonpanel.jpg"></a>
-</td>
-<td>
-<a href="//filestorage.chrisoft.org/blog/img/SD-80_sanscover.jpg"><img style="width: 50%;" src="//filestorage.chrisoft.org/blog/img/ssbsthumb_1536x1536_SD-80_sanscover.jpg"></a>
-</td>
-</tr>
-<tr>
-<td>
-<a href="//filestorage.chrisoft.org/blog/img/SD-80_PS_a.jpg"><img style="width: 50%;" src="//filestorage.chrisoft.org/blog/img/ssbsthumb_1536x1536_SD-80_PS_a.jpg"></a>
-</td>
-<td>
-<a href="//filestorage.chrisoft.org/blog/img/SD-80_PS_b.jpg"><img style="width: 50%;" src="//filestorage.chrisoft.org/blog/img/ssbsthumb_1536x1536_SD-80_PS_b.jpg"></a>
-</td>
-</tr>
-<tr>
-<td>
-<a href="//filestorage.chrisoft.org/blog/img/SD-80_mb_top.jpg"><img style="width: 50%;" src="//filestorage.chrisoft.org/blog/img/ssbsthumb_1536x1536_SD-80_mb_top.jpg"></a>
-</td>
-<td>
-<a href="//filestorage.chrisoft.org/blog/img/SD-80_mb_bottom.jpg"><img style="width: 50%;" src="//filestorage.chrisoft.org/blog/img/ssbsthumb_1536x1536_SD-80_mb_bottom.jpg"></a>
-</td></tr>
-</tbody></table>
-<h2 id="tocanch15" class="tvis">What the manual doesn’t tell</h2>
-<p>A very sensible thing to do after the disassembly is to search the
-engravment on the chips online. Searching ‘RA08-503’ found on the
-largest Roland-labled chips <a id="n13" href="#note13" class="note">[13]</a> brings up a whole
-new world to me: service manuals for Roland synths. Sadly there are no
-manuals for any STUDIO Canvas models, nevertheless, they are very useful
-for learning more about the insides of a Roland synthesizer.</p>
-<p>There are a couple of models bearing the ‘RA08-503’ chip found in the
-SD-80. Examples include XV-5080 and MC-909. This chip is referred to as
-‘XV’ in their service manuals (also in the SD-80, as you will find out
-later). It’s safe to guess they handle the most important work of a
-sound module – tone generation. Also I observed that all modules
-supporting 32 parts and 128 polyphony have two of these chips in them,
-while the ones with only one chip only supports up to 16 parts and 64
-polyphony. Maybe that’s the limitation of the single chip. Also one can
-tell the chip also handles some weird job such as LED indicators from
-the circuit board schematic.</p>
-<p>A very lonely chip on the right side has ‘6417706’ on it. Turns out
-this is a microprocessor implementing the SuperH architecture. It’s the
-same CPU as found in MC-909 (which makes sense as they are produced
-around the same time). Linux kernel has support for this
-processor<a id="n14" href="#note14" class="note">[14]</a>. The processor has a maximum clock speed of 133 MHz and is
-underclocked to 128MHz in the MC-909. It’s probably underclocked even
-more in the SD-80. There’s an unpopulated D-sub connector presumably for
-debugging near the CPU.</p>
-<h3 id="tocanch16" class="tvis">Testing mode</h3>
-<p>According to the service manuals available for other models, they all
-have a hidden test mode. Some also have the ability to update system
-firmware. Entering testing mode often involves turning the power on with
-a combination of keys pressed. Every model have its own way to enter
-testing mode and there’s no obvious pattern. At that point, I was
-desperate to dive into it. So I simply tried all button combinations
-consisting of one to three buttons. The result didn’t let me down. I
-found three combinations that make the SD-80 boot into special
-modes.</p>
-<ul>
-<li>INST + SHIFT + PART▶ = Test Mode</li>
-<li>INST + PAGE◀ + PREVIEW = Program Updater</li>
-<li>SYSTEM + PAGE◀ + PREVIEW = Program Updater</li>
-</ul>
-<p>Below is everything I found about these modes.</p>
-<div class="collapse" data-caption="Special boot modes in the SD-80">
-<p><strong>Test Mode</strong></p>
-<pre><code>00 Version Check
-1.03 0022 2002/07/29</code></pre>
-<p>(Preview blinks, pressing it doesn’t seem to do anything)</p>
-<pre><code>01 Device Check
- ALL OK!!</code></pre>
-<p>(I got <code>NG:XV2</code> shortly after heavily using the module for
-a while. MFX in test 7 produces no sound at all, system delay only has
-the dry sound, everything else was normal. More on this later.)</p>
-<pre><code>02 MIDI Check
-MID1:x MID2:x THRU:x</code></pre>
-<p>(No MIDI cable for me until I’m home… Input from USB does not
-count.)</p>
-<pre><code>03 LCD Check
-PAGE:Sel / ENC: Contr</code></pre>
-<p>(PAGE buttons switch among the following four patterns: none, full,
-chequerboard 0, reversed chequerboard. Contr=Contrast)</p>
-<pre><code>04 SW/LED Check
- ooooo ooooo</code></pre>
-<p>(All buttons and indicators light up. Transparent buttons turns off
-its light, opaque buttons turns off LED above or below it, ENTER button
-turns off nothing. The five <code>o</code>’s on the left corresponds to
-the upper row, others corresponds to the lower row. Pressing a button
-turns its character to <code>#</code>, releasing it causes it to change
-to <code>.</code>.)</p>
-<pre><code>05 Encoder Check
- Value(0-23) = xx</code></pre>
-<p>(+ Plays C3, - Plays E3, both using the piano voice. Value starts at
-00. Interestingly if the encoder is turned too fast, the value on screen
-does not change until you stop.)</p>
-<pre><code>06 Sound Check
-Push button to check
- Left channel
- Center channel
- Right channel</code></pre>
-<p>(INST/EFFECTS/SYSTEM blink, pushing one makes it constantly on while
-others still blinking and plays the corresponding check. Plays sine wave
-on the selected channel(s))</p>
-<pre><code>07 Effect Check
-Push button to check
- MFX(Delay)
- System Delay
- System Reverb</code></pre>
-<p>(Same as test 06. The sounds used for these checks are snare,
-castanets and side stick respectively.)</p>
-<pre><code>08 Factory Reset
- Push [PREVIEW]</code></pre>
-<p>(PREVIEW blinks, pressing it really resets!)</p>
-<p>The SD-80 still works as a sound module in test mode – it will play
-any incoming midi stream. The module is in native mode regardless of
-your settings. MFX doesn’t seem to be working normally (likely due to
-it’s reserved for test 07). Switching between tests resets some (if not
-all, depending on the test switching to) of the synthesizer’s states.
-Switching to test 05 sets some of the instrumental parts to piano and
-others to a certain synth lead patch. Switching to test 06 sets sine
-wave and piano on all instrumental parts just like test 05. Switching to
-test 07 sets certain instrument parts to a drum patch, the patch
-‘Xtremities’ could also be heard. Other parts are set to piano.</p>
-<p><strong>Program Updater</strong></p>
-<pre><code>Program Updater
-Version: 1.03</code></pre>
-<pre><code>Program Updater
-Prog:12D3[12D3]1.03</code></pre>
-<pre><code>Program Updater
-Updt:66FB[66FB]1.00</code></pre>
-<pre><code>Program Updater
-Boot:5170[5170]1.01</code></pre>
-<pre><code>Update by MIDI
-[ENTER][SHIFT(Exit)]</code></pre>
-<pre><code>Update by USB
-[ENTER][SHIFT(Exit)]</code></pre>
-<ul>
-<li>INST = Program version (INST lights up)</li>
-<li>EFFECTS = Updater version (EFFECTS lights up)</li>
-<li>SYSTEM = Boot version (SYSTEM lights up)</li>
-<li>SHIFT = Returns to initial screen of the updater</li>
-<li>PART◀ = Update by MIDI</li>
-<li>PART▶ = Update by USB</li>
-</ul>
-<p>MIDI and USB indicators blink on any screen with the top row saying
-<code>Program Updater</code>. Selecting a source makes the corresponding
-indicator constantly lit and the other go out.</p>
-<p>If this mode is entered with the combination SYSTEM + PAGE◀ +
-PREVIEW, INST, EFFECTS, SYSTEM will do nothing instead. This combination
-is probably reserved for consumers.</p>
-<p>Sound generation does not work in the program updater.</p>
-<p>Presumably the update MIDI files are similar to earlier models:
-stream of system exclusive events containing firmware blobs. No program
-update could be found for the SD-80 on the Internet. There are update
-files for the SD-90 however, which updates its system software to
-version 1.03.</p>
-</div>
-<h3 id="tocanch17" class="tvis">Messing around sans the
-chassis</h3>
-<p>As the two XV chips are arranged in a master-slave manner, I tried
-figuring out which one is acting as the master. I threw a bunch of midi
-files at it while measuring the temperature of the XV chips… with my
-fingers. Both chips turn quite toasty but IC19 is always warmer than
-IC27, sometimes it’s even a little difficult to keep my finger stay on
-that chip.</p>
-<p>When the action gets more intense, IC27 starts to warm up. Before I
-was just going to conclude that IC27 is acting as the master, I realized
-that I will never come into a meaningful conclusion without further
-reverse engineering: I have absolutely no idea how the load is
-distributed between the two XV’s!</p>
-<p>Frustrated, I entered testing mode to find out whether there’s
-anything interesting if it’s run with chassis removed. To my surprise,
-the device check failed with <code>NG:XV2</code> and a bunch of other
-errors in the following tests. I thought I was doomed, but a reboot of
-the module solved the problem completely and it never show any trace of
-abnormality that day.</p>
-<p>The other day, however, the problem returned. After messing with the
-SD-80 editor and creating random complex patches for an hour, I randomly
-decided to check out the testing mode again, where I was greeted by the
-<code>NG:XV2</code> failure the second time. Again, a reboot solved the
-problem for the day. No amount of hardwork will put the SD-80 into a
-buggy state if it boot straight into normal mode. At this point I
-thought it could be a bug in the test or the device check could be quite
-sensitive to temperature, which is probably not a very good thing as
-there are no vent holes for airflow on the module whatsoever.</p>
-<p>A few more days, I found my SD-80 frozen after keeping it on doing
-almost nothing for a day. In yet another case, it just randomly froze
-during playback after half day of usage. I’m unsure these instability
-are specific to my machine.</p>
-<h3 id="tocanch18" class="tvis">Chart A</h3>
-<div class="collapse" data-caption="Comparison of internal components found in selected Roland devices">
-<p><a id="n15" href="#note15" class="note">[15]</a></p>
-<table>
-<colgroup>
-<col style="width: 5%">
-<col style="width: 16%">
-<col style="width: 3%">
-<col style="width: 32%">
-<col style="width: 11%">
-<col style="width: 29%">
-</colgroup>
-<thead>
-<tr class="header">
-<th style="text-align: center;">Model</th>
-<th style="text-align: center;">Tone Generator</th>
-<th style="text-align: center;">CPU</th>
-<th>Storage</th>
-<th style="text-align: center;"># of parts</th>
-<th style="text-align: center;"># of polyphony (‘voices’)</th>
-</tr>
-</thead>
-<tbody>
-<tr class="odd">
-<td style="text-align: center;">SC-55</td>
-<td style="text-align: center;">TC24SC201AF-002 (PCM Custom)</td>
-<td style="text-align: center;"><a href="https://en.wikipedia.org/wiki/H8_Family">H8/532</a></td>
-<td>256K SRAM*2, Wave ROM*3, EPROM, CPU has RAM and ROM built-in</td>
-<td style="text-align: center;">16</td>
-<td style="text-align: center;">24</td>
-</tr>
-<tr class="even">
-<td style="text-align: center;">SC-88</td>
-<td style="text-align: center;">MBCS30109 (Custom Sound Generator)
-‘XP’</td>
-<td style="text-align: center;"><a href="https://en.wikipedia.org/wiki/H8_Family">H8/510</a></td>
-<td>EPROM/Mask ROM, SRAM*2, Wave ROM*4, DRAM*2</td>
-<td style="text-align: center;">32</td>
-<td style="text-align: center;">64</td>
-</tr>
-<tr class="odd">
-<td style="text-align: center;">SC-88Pro</td>
-<td style="text-align: center;">RA01-005 (Custom Sound Generator)
-‘XP3’</td>
-<td style="text-align: center;"><a href="https://en.wikipedia.org/wiki/H8_Family">H8/510</a></td>
-<td>EPROM, SRAM*2, Wave ROM*5, DRAM*3</td>
-<td style="text-align: center;">32</td>
-<td style="text-align: center;">64</td>
-</tr>
-<tr class="even">
-<td style="text-align: center;">SC-8850</td>
-<td style="text-align: center;">2*RA09-002 (Custom) ‘XP6’</td>
-<td style="text-align: center;"><a href="https://www.renesas.com/us/en/products/microcontrollers-microprocessors/superh/sh7010/sh7014.html">SH7017</a></td>
-<td>64KB System ROM, 8M System Flash, 256K SRAM (USB controller), 2*4M
-DRAM (EFX effects + System), 16M Data ROM or Flash, 2*128Mbit Wave ROM,
-2*4M DRAM (XP effects), 256k SRAM (framebuffer)</td>
-<td style="text-align: center;">64</td>
-<td style="text-align: center;">128</td>
-</tr>
-<tr class="odd">
-<td style="text-align: center;">SC-8820</td>
-<td style="text-align: center;">RA09-002 (Custom) ‘XP6’</td>
-<td style="text-align: center;"><a href="https://www.renesas.com/us/en/products/microcontrollers-microprocessors/superh/sh7010/sh7014.html">SH7017</a></td>
-<td>64KB System ROM, 256K SRAM (USB controller), 16M Data ROM or Flash,
-2*4M DRAM (EFX effects + System), 128Mbit+164Mbit Wave Rom, 4M DRAM (XP
-effects)</td>
-<td style="text-align: center;">32</td>
-<td style="text-align: center;">64</td>
-</tr>
-<tr class="even">
-<td style="text-align: center;">JV-1080</td>
-<td style="text-align: center;">MBCS30109B (XP Chip) ‘XP’</td>
-<td style="text-align: center;"><a href="https://www.renesas.com/us/en/products/microcontrollers-microprocessors/superh/sh7030/sh7032.html">SH7034</a></td>
-<td>CPU has 64KB Program Flash + 4KB SRAM built-in, 512kbit SRAM, 1Mbit
-DRAM, 8Mbit Data ROM, 2*1M DRAM (XP effects), 4*Wave ROM</td>
-<td style="text-align: center;">16</td>
-<td style="text-align: center;">64</td>
-</tr>
-<tr class="odd">
-<td style="text-align: center;">JV-2080</td>
-<td style="text-align: center;">TC170C200AF-005 (TG) ‘XP’</td>
-<td style="text-align: center;"><a href="https://www.renesas.com/us/en/products/microcontrollers-microprocessors/superh/sh7030/sh7032.html">SH7034</a></td>
-<td>CPU has 64KB Program Flash + 4KB SRAM built-in, 2*DRAM, DRAM (XP
-effects), DRAM (LCD framebuffer), DRAM, SRAM, ROM or Flash</td>
-<td style="text-align: center;">16</td>
-<td style="text-align: center;">64</td>
-</tr>
-<tr class="even">
-<td style="text-align: center;">XV-5080</td>
-<td style="text-align: center;">2*TC223C660CF-503 (RA08-503) ‘XV’</td>
-<td style="text-align: center;"><a href="https://www.renesas.com/us/en/products/microcontrollers-microprocessors/superh/sh7040/sh7040.html">SH7042</a></td>
-<td>2*1Mbit SRAM, 256kbit (LCD framebuffer), 2*16Mbit (DRAM), 16Mbit
-Flash, 2*16Mbit DRAM (XV effects), 2*128Mbit Wave ROM</td>
-<td style="text-align: center;">32</td>
-<td style="text-align: center;">128</td>
-</tr>
-<tr class="odd">
-<td style="text-align: center;">XV-5050</td>
-<td style="text-align: center;">TC223C660CF-503 (RA08-503) ‘XV’</td>
-<td style="text-align: center;"><a href="https://www.renesas.com/us/en/products/microcontrollers-microprocessors/superh/sh7010/sh7014.html">SH7016</a></td>
-<td>8Kbit EEPROM, 32Mbit Flash, 16Mbit DRAM, 16Mbit DRAM (XV effects),
-2*128Mbit Wave ROM</td>
-<td style="text-align: center;">16</td>
-<td style="text-align: center;">64</td>
-</tr>
-<tr class="even">
-<td style="text-align: center;">MC-909</td>
-<td style="text-align: center;">TC223C660CF-503 (RA08-503) ‘XV’</td>
-<td style="text-align: center;"><a href="https://www.renesas.com/us/en/products/microcontrollers-microprocessors/superh/sh7700/sh7706.html">SH7706</a>
-@ 128MHz</td>
-<td>2*64Mbit SDRAM (system), 16Mbit Flash (program), 256Mbit Flash
-(program, user), 16Mbit DRAM (external effects RAM), 4Mbit DRAM (XV
-effects), 2*64Mbit Wave SDRAM, 128Mbit Wave ROM</td>
-<td style="text-align: center;">16</td>
-<td style="text-align: center;">64</td>
-</tr>
-<tr class="odd">
-<td style="text-align: center;">SD-80</td>
-<td style="text-align: center;">2*TC223C660CF-503 (RA08-503) ‘XV’</td>
-<td style="text-align: center;"><a href="https://www.renesas.com/us/en/products/microcontrollers-microprocessors/superh/sh7700/sh7706.html">SH7706</a></td>
-<td>16Mbit Flash, 2*16Mbit SDRAM, 2*16Mbit EDO DRAM, 2*Wave ROM</td>
-<td style="text-align: center;">32</td>
-<td style="text-align: center;">128</td>
-</tr>
-</tbody>
-</table>
-</div>
-<h3 id="tocanch19" class="tvis">Chart B</h3>
-<div class="collapse" data-caption="List of integrated circuit chips on SD-80 main board">
-<p>Follow the link in the first column for a board photo with that chip
-visible. Sorry for the shaky photo and poor depth of field.</p>
-<table>
-<tbody><tr>
-<th>
-Label
-</th>
-<th>
-Engravment
-</th>
-<th>
-Remark
-</th>
-</tr>
-<tr>
-<td>
-IC 1
-</td>
-<td>
-62292 361
-</td>
-<td>
-(8-pin) Unknown
-</td>
-</tr>
-<tr>
-<td>
-<a href="https://filestorage.chrisoft.org/blog/img/SD-80_IC2.jpg">IC
-2</a>
-</td>
-<td>
-6417706 SH3 BC13008 133 0413
-</td>
-<td>
-176-pin QFP, SH7706 CPU
-</td>
-</tr>
-<tr>
-<td>
-<a href="https://filestorage.chrisoft.org/blog/img/SD-80_IC3.jpg">IC
-3</a>
-</td>
-<td>
-LH28F 160BJE-BTL80 SHARP JAPAN 0428 7xN
-</td>
-<td>
-Flash Memory (16Mbit)
-</td>
-</tr>
-<tr>
-<td>
-<a href="https://filestorage.chrisoft.org/blog/img/SD-80_IC4.jpg">IC 4,
-6</a>
-</td>
-<td>
-SANYO LC381616IET-70 KZA7G0CD1 0042
-</td>
-<td>
-SDRAM (16Mbit)
-</td>
-</tr>
-<tr>
-<td>
-<a href="https://filestorage.chrisoft.org/blog/img/SD-80_IC2.jpg">IC
-5</a>
-</td>
-<td>
-‘H5’ or ‘115’ (illegible)
-</td>
-<td>
-(5-pin) Unknown
-</td>
-</tr>
-<tr>
-<td>
-IC 7
-</td>
-<td>
-4D46 LV 00A
-</td>
-<td>
-NAND Gate
-</td>
-</tr>
-<tr>
-<td>
-IC <a href="https://filestorage.chrisoft.org/blog/img/SD-80_IC2.jpg">8</a>, <a href="https://filestorage.chrisoft.org/blog/img/SD-80_IC27.jpg">20,
-22~25</a>
-</td>
-<td>
-4C1Y LV 245A
-</td>
-<td>
-Bus Transceiver
-</td>
-</tr>
-<tr>
-<td>
-IC 9, <a href="https://filestorage.chrisoft.org/blog/img/SD-80_IC27.jpg">11</a>
-</td>
-<td>
-F P42AB VT245A
-</td>
-<td>
-8-bit Transceiver
-</td>
-</tr>
-<tr>
-<td>
-<a href="https://filestorage.chrisoft.org/blog/img/SD-80_IC27.jpg">IC
-10, 12</a>
-</td>
-<td>
-0431H LVXC3245
-</td>
-<td>
-Configurable 8-bit Transceiver
-</td>
-</tr>
-<tr>
-<td>
-IC 13
-</td>
-<td>
-VHC T139A 4 23
-</td>
-<td>
-Dual 2/4 Decoder
-</td>
-</tr>
-<tr>
-<td>
-IC 14
-</td>
-<td>
-‘H12’ or ‘H2’ (illegible)
-</td>
-<td>
-(5-pin) Unknown
-</td>
-</tr>
-<tr>
-<td>
-<a href="https://filestorage.chrisoft.org/blog/img/SD-80_datecode.jpg">IC
-15</a>
-</td>
-<td>
-4D36 LV 04A
-</td>
-<td>
-Hex Inverter
-</td>
-</tr>
-<tr>
-<td>
-<a href="https://filestorage.chrisoft.org/blog/img/SD-80_audio.jpg">IC
-16</a>
-</td>
-<td>
-4D16 LV 14A
-</td>
-<td>
-Hex Schmitt-Trigger Inverter
-</td>
-</tr>
-<tr>
-<td>
-<a href="https://filestorage.chrisoft.org/blog/img/SD-80_IC17.jpg">IC
-17</a>
-</td>
-<td>
-Roland R02902867 137 352B100
-</td>
-<td>
-I/O Processor? USB controller?
-</td>
-</tr>
-<tr>
-<td>
-IC 18
-</td>
-<td>
-VH3 139 4 24
-</td>
-<td>
-Dual 2/4 Decoder
-</td>
-</tr>
-<tr>
-<td>
-IC <a href="https://filestorage.chrisoft.org/blog/img/SD-80_IC19.jpg">19</a>,
-<a href="https://filestorage.chrisoft.org/blog/img/SD-80_IC27.jpg">27</a>
-</td>
-<td>
-Roland R01455956 RA08-503 JAPAN 0330EAI F0032ZAC
-</td>
-<td>
-Voice Generator + LED &amp; LCD Controller etc. (‘XV’)
-</td>
-</tr>
-<tr>
-<td>
-IC 21
-</td>
-<td>
-7WU04 4.F
-</td>
-<td>
-Inverter (CMOS)
-</td>
-</tr>
-<tr>
-<td>
-IC <a href="https://filestorage.chrisoft.org/blog/img/SD-80_IC26.jpg">26</a>,
-<a href="https://filestorage.chrisoft.org/blog/img/SD-80_IC29.jpg">30</a>
-</td>
-<td>
-HYUNDAI GM71C18163CJ6 0040 AG1 KOREA
-</td>
-<td>
-EDO DRAM (16Mbit)
-</td>
-</tr>
-<tr>
-<td>
-<a href="https://filestorage.chrisoft.org/blog/img/SD-80_IC28.jpg">IC
-28</a>
-</td>
-<td>
-Roland R02678601 23C128L-529J 0224E7007
-</td>
-<td>
-Wave ROM (128Mbit?) <a id="n16" href="#note16" class="note">[16]</a>
-</td>
-</tr>
-<tr>
-<td>
-<a href="https://filestorage.chrisoft.org/blog/img/SD-80_IC29.jpg">IC
-29</a>
-</td>
-<td>
-Roland R02678612 23C128L-535K 0222E7005
-</td>
-<td>
-Wave ROM (128Mbit?)
-</td>
-</tr>
-<tr>
-<td>
-IC <a href="https://filestorage.chrisoft.org/blog/img/SD-80_audio.jpg">31</a>,
-35
-</td>
-<td>
-4570 431
-</td>
-<td>
-Regulator
-</td>
-</tr>
-<tr>
-<td>
-<a href="https://filestorage.chrisoft.org/blog/img/SD-80_audio.jpg">IC
-32, 34</a>
-</td>
-<td>
-PCM1716E 27ZDHFM
-</td>
-<td>
-DAC
-</td>
-</tr>
-<tr>
-<td>
-<a href="https://filestorage.chrisoft.org/blog/img/SD-80_audio.jpg">IC
-33</a>
-</td>
-<td>
-04 16H TC9271FS
-</td>
-<td>
-Digital Audio Modulator/Transmitter
-</td>
-</tr>
-<tr>
-<td>
-IC 36
-</td>
-<td>
-A E
-</td>
-<td>
-(3-pin) Unknown
-</td>
-</tr>
-</tbody></table>
-</div>
-<h2 id="tocanch20" class="tvis">Verdict</h2>
-<p>The SD-80, a product in Roland’s more budget-friendly Sound Canvas
-(Studio Canvas) line up, is a great sound module mainly focused at
-standards compliance at its time. In my opinion it’s the direct
-successor of the SC-8850, while the SD-90 is the direct successor of the
-SC-D70 (both are audio interfaces with a sound module integrated).</p>
-<p>The Studio Canvas family is Roland’s first and last line up of sound
-modules that map nearly all instruments to the GM2 instrument map. While
-making the instrument mapping less confusing, this instrument mapping
-has its limitations. No later Roland sound module does the same
-thing.</p>
-<p>Hardware wise, the SD-80 is extremely close to the XV-5080. But the
-SD-80 being a ‘Rompler’, its hardware capability is severely limited by
-Roland by matching them with worse wave ROM contents than its
-professional counterpart. This seems to be true across almost all
-professional and budget-friendly Roland synths in the 90s. (SC-88 has
-the same tone generator as JP-1080 (‘XP’), SC-88Pro has the same tone
-generator as JP-2080 (‘XP3’). SC-8850 and SC-8820 use a newer revision
-of the ‘XP’ chip (‘XP6’), which seems to be unused in a professional
-product.)</p>
-<p>Roland no longer makes ‘romplers’ today. Due to their unique sounds,
-these canvases might become a collector’s item in the future.</p>
-<h2 id="tocanch21" class="tvis">Things to do besides
-imitating ZUN</h2>
-<p>The SD-80 does not like QMidiPlayer very much. So the first thing to
-do is quite clear.</p>
-<p>Giving it a total makeup is the second thing on my bucket list. I’ll
-probably ditch the original top cover and front panel altogether and
-make some custom acrylic glass parts for it.</p>
-<p>Porting Linux to it might be a very fun (also atrocious) thing to do.
-The internals of the SD-80 is capable of doing much more than what it
-does as a STUDIO Canvas. It’s got the same main processor as the MC-909,
-just think about the possibility out there (this is also the reason why
-I call it a ‘trapped beast’ in the title of this post). The only thing
-against this is that I am shy of any experience with this level of
-hardware hacking.</p>
-<p>Setting up a web service where people upload their midi files and
-have them rendered with the SD-80 also sounds pretty cool. But I’m
-afraid I’ll receive something from Roland by then and it wouldn’t be
-fine for me. Is it really illegal to use a instrument on a time-sharing
-basis?</p>
-<p>Seriously though if I could pull it off, I’ll probably add a donation
-button and buy more classic sound modules for the site. Eventually it
-will turn into an online museum for sound modules… screw it I’m talking
-utter nonsense again.</p>
-<p>Also somehow extracting the waveforms and creating a instrument bank
-for HALion or Kontact is tempting. But the odds of being sued by Roland
-is even higher even though they did not explicitly disallow sampling
-their early products. To be honest I found it disturbing about the
-sampling restriction on these ‘unconventional’ instruments.</p>
-<h2 id="tocanch22" class="tvis">Newer Roland sound modules?</h2>
-<p>Newer Roland sound modules such as SonicCell and the latest INTEGRA-7
-seems to maintain the compatibility with their original ‘XP’ synthesis
-engine to some extent – as they all support SRX expansion in a certain
-way. The synthesis engines are obviously improving over the years as
-Roland says the SRX expansion sounds built into INTEGRA-7 will sound a
-little different compared to earlier modules.</p>
-<p>However, disappointment strikes as soon as I saw the ‘READ’ button on
-screenshots of the editor software for the INTEGRA-7. I felt Roland
-really need to make more use of the USB bandwidth: the presence of that
-button implies the editor software still can’t reflect the realtime
-status of the synthesizer. <a id="n17" href="#note17" class="note">[17]</a> This is a huge
-drawback of using a hardware synthesizer that Roland still fails to fix
-to this day.</p>
-<p>Also, the INTEGRA-7 is super expensive for an amateur and Roland
-ended their budget <a id="n18" href="#note18" class="note">[18]</a> SOUND Canvas / STUDIO Canvas product line years
-ago. So no more Roland sound modules for me I guess.</p>
-<h2 id="tocanch23" class="tvis">Trivia</h2>
-<ul>
-<li><p>A XML file in the SD-80 editor (Script/SD-80EditorScript.xml)
-contains patch list and wave list for all SRX expansion cards,
-confirming the fact that the editor is based on an editor for some other
-sound module with expansion slots.</p></li>
-<li><p>There are two crystal oscillators on the main board of SD-80. X1
-is a 24 MHz one and X2 is a 16.934 MHz one. Both are out of range of
-SH7706’s allowed external clock frequency (clock mode 0 has a input
-range of 25 MHz to 66.67 MHz, clock mode 1 has a input range 6.25 MHz to
-16.67 MHz). MC-909, which has the same CPU as the SD-80, has a 16 MHz
-crystal as the CPU clock source and the CPU operates at 128 MHz. There’s
-also a 16.934 MHz crystal in the MC-909, which is tied to its tone
-generator (the same tone generator as the one inside SD-80, RA08-503 or
-‘XV’). X2 in SD-80 is also very close to one of its tone generator chip.
-My blind guess is that the output from X1 in SD-80 goes through a
-frequency divider and the CPU operates at 96 MHz. XV-5050 also has a
-16.934 MHz clock source tied to its XV chip. XV-5080 however doesn’t
-have a 16.935 MHz crystal directly tied to its XV chip, but rather a
-11.2886 MHz one going through a 3:2 PLL producing a 16.9329 MHz
-clock.</p></li>
-</ul>
-<h2 id="tocanch24" class="tvis">If you want to learn more …</h2>
-<ul>
-<li><a href="http://www.gigadenza.co.uk/?page_id=5116&amp;all=1">Gigadenza</a>,
-owns multiple sound modules, including the latest INTEGRA-7.</li>
-<li><a href="https://twitter.com/Romantique_Tp">Romantique Tp</a>, a
-Touhou music addict that I came across on Steinberg user forum.</li>
-</ul>
-If you spot a mistake or have anything you wish to share on this topic,
-please do not hesitate to drop me a message.
-</article>
-</div><br><hr>
- <div class="TText" id="notediv" style="font-size:80%;"><span class="TText"><a id="note1" href="#n1">[1]</a>: Pulseaudio sucks a lot less compared to
-the old days, it even switch automatically between built in Intel HD
-Audio and external USB audio device when it’s plugged in /
-unplugged.<br></span><span class="TText"><a id="note2" href="#n2">[2]</a>: SD-90 doesn’t
-seem to have a non-zero modulation level according to its manual.
-Interesting.<br></span><span class="TText"><a id="note3" href="#n3">[3]</a>: You can find the waveform list of SD-90/80 and XV-5080
-online and do the comparison yourself.<br></span><span class="TText"><a id="note4" href="#n4">[4]</a>: ‘Piano 1 st.’ in TTS-1 is
-actually ‘St.Piano 1’ from STUDIO Canvas’ ‘solo’ set. TTS-1 doesn’t have
-a ‘key scale panning’ (this is XG terminology, which means ‘wide’ in
-Roland’s wordbook) piano preset.<br></span><span class="TText"><a id="note5" href="#n5">[5]</a>: The drum set mapping of Super Quartet is not GM
-compatible. It comes with a couple of sounds the STUDIO Canvas
-lacks.<br></span><span class="TText"><a id="note6" href="#n6">[6]</a>: This is a reasonable
-guess, see chart B below for details.<br></span><span class="TText"><a id="note7" href="#n7">[7]</a>: The
-SD-90 do have <em>almost</em> the same level of editability as the
-SD-80, which can be achieved with the use of an updated version of
-SD-80’s editor, however it seems that SD-90 can’t save user patches. The
-SD-20, on the other hand, never enjoy the same level of editability.
-(The SD-20 is probably still editable by sending system exclusive
-messages directly?)<br></span><span class="TText"><a id="note8" href="#n8">[8]</a>: One on each stereo channel.<br></span><span class="TText"><a id="note9" href="#n9">[9]</a>: Vibrato uses a separate LFO, so technically it’s
-three.<br></span><span class="TText"><a id="note10" href="#n10">[10]</a>: NRPN message setting
-expression to 100% on one device may set filter resonance to 100% on
-another. Imagine that.<br></span><span class="TText"><a id="note11" href="#n11">[11]</a>: I counted the instruments by turning the knob.
-The knob sometimes skips forward and backward, so there’s no way I count
-them accurately in a rush. I will probably make a complete patch list
-another day. UPDATE: the complete patch list could be found
-<a href="https://filestorage.chrisoft.org/blog/data/SD-80/SD80XGLiteInstList.ods">here</a>
-<br></span><span class="TText"><a id="note12" href="#n12">[12]</a>: The problem found in QMidiPlayer can be
-solved by simply lowering buffer size. <br></span><span class="TText"><a id="note13" href="#n13">[13]</a>: In case you haven’t yet noticed,
-there are two of those chips on the board.<br></span><span class="TText"><a id="note14" href="#n14">[14]</a>: <a href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/sh/kernel/cpu/sh3/clock-sh7706.c">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/sh/kernel/cpu/sh3/clock-sh7706.c</a>
-<br></span><span class="TText"><a id="note15" href="#n15">[15]</a>: Data for all models except the SD-80 are from their service
-notes.<br></span><span class="TText"><a id="note16" href="#n16">[16]</a>: The text on this chip together with the
-next one suspiciously resembles the part number of XV-5080’s wave ROM
-chips, plus the 128 Mbit wave ROM chips found in SC-8850 and SC-8820.
-(SC-8850 has 2*128Mbit wave ROM, while SC-8820 has 128Mbit + 64Mbit. The
-part number of the 64Mbit wave ROM chip has a completely different
-naming scheme.)<br></span><span class="TText"><a id="note17" href="#n17">[17]</a>: I did not do much research on this
-and I could be completely wrong on this topic.<br></span><span class="TText"><a id="note18" href="#n18">[18]</a>: compared to their JV/XV
-products.<br></span></div>
- <div id="insanch" style="height:3em;"></div>
- <div id="footer" style="">
- <div id="pagesw" class="TText" style="width:100%;height:0.5em;"></div>
- <div style="text-align:center;" class="TText">
- Proudly powered by SSBS <reduced style="font-size:70%;">(the static stupid blogging system)</reduced> 2.5
- <br>
- Content licensed under CC BY-SA 4.0. <span id="purgep" style="display:none;font-size:70%;">This page has passphrase(s) stored. Click <a href="javascript:_purgep()">here</a> to purge.</span>
- </div>
- </div>
- <div id="cmdbuf" class="TText" style="transition:500ms;padding:1em;font-size:2em;color:white;position:absolute;background-color:rgba(0,0,0,0.6);left:50%;top:50%;transform:translate(-50%,-50%);pointer-events:none;opacity:0;">
- </div>
- </div>
- <div id="decryptui" style="display:none;opacity:0;color:white;z-index:1000;position:fixed;left:0;top:0;width:100%;height:100%;background-color:rgba(0,0,0,0.4);transition:opacity 0.5s;">
- <div id="decryptdlg" class="TText" style="padding:10px 20px;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background-color:rgba(0,0,0,0.6);">
- <div id="keyhint" style="margin-bottom:8px;"></div>
- <div style="margin-bottom:8px;">Key: <input id="keyinp" type="text" style="color:#fff;"></div>
- <div style="height:2.25em;">
- <button id="btndecrypt" onclick="decryptor(decid,document.getElementById('keyinp').value);" style="position:absolute;left:20px;">Decrypt</button>
- <button onclick="hidedecryptui();" style="position:absolute;right:20px;">Cancel</button>
- </div>
-
- </div>
-
-
-</div></body></html> \ No newline at end of file
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 18:15:13 +0000