
<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div style="display: block;">Sadly here’s the deal… You could try Paul Barker on the RE-808 and RE-303 FB groups where is very active as well.</div><div style="display: block;"><br></div><div style="display: block;">I know he’s pretty absorbed with the RE-101 at this time.</div><div style="display: block;"><br></div><div style="display: block;"><br></div><div style="display: block;">Todd</div><div style="display: block;"><br></div><div style="display: block;"><div style="-webkit-user-select: all; -webkit-user-drag: element; display: inline-block;" class="apple-rich-link" draggable="true" role="link" data-url="https://shop.re-303.com/product/pixie-powered-re-cpu/"><a style="border-radius:10px;font-family:-apple-system, Helvetica, Arial, sans-serif;display:block;-webkit-user-select:none;width:300px;user-select:none;-webkit-user-modify:read-only;user-modify:read-only;overflow:hidden;text-decoration:none;" class="lp-rich-link" rel="nofollow" href="https://shop.re-303.com/product/pixie-powered-re-cpu/" dir="ltr" role="button" draggable="false" width="300"><table style="table-layout:fixed;border-collapse:collapse;width:300px;background-color:#E5E6E9;font-family:-apple-system, Helvetica, Arial, sans-serif;" class="lp-rich-link-emailBaseTable" cellpadding="0" cellspacing="0" border="0" width="300"><tbody><tr><td vertical-align="center"><table bgcolor="#E5E6E9" cellpadding="0" cellspacing="0" width="300" style="font-family:-apple-system, Helvetica, Arial, sans-serif;table-layout:fixed;background-color:rgba(229, 230, 233, 1);" class="lp-rich-link-captionBar"><tbody><tr><td style="padding:8px 0px 8px 0px;" class="lp-rich-link-captionBar-textStackItem"><div style="max-width:100%;margin:0px 16px 0px 16px;overflow:hidden;" class="lp-rich-link-captionBar-textStack"><div style="word-wrap:break-word;font-weight:400;font-size:11px;overflow:hidden;text-overflow:ellipsis;text-align:left;" class="lp-rich-link-captionBar-textStack-bottomCaption-leading"><a rel="nofollow" href="https://shop.re-303.com/product/pixie-powered-re-cpu/" style="text-decoration: none" draggable="false"><font color="#272727" style="color: rgba(0, 0, 0, 0.847059);">shop.re-303.com</font></a></div></div></td><td style="padding:0px 12px 0px 0px;" class="lp-rich-link-captionBar-rightIconItem" width="32"><a rel="nofollow" href="https://shop.re-303.com/product/pixie-powered-re-cpu/" draggable="false"><img src="data:image/png;base64,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l Roland(tm) machines.</p></blockquote><a href="https://github.com/sunflowr/recpu">https://github.com/sunflowr/recpu</a></div><div><br></div><div><br><blockquote type="cite"><div>On Apr 1, 2023, at 8:59 AM, kenny@beatkamp.com wrote:</div><br class="Apple-interchange-newline"><div><div><br>Hi Brian,<br><br>In this specific instance, the Pixie implementation for TB-303, TR-606 (and I believe<br>but cannot confirm TR-808) from Paul at RE-303 negates the need for external RAM.<br>This is internalized on the CPU itself. The Pixie is running the original Roland<br>code with a tiny bit of MIDI stuff hung on to it. ie) D650C emulator<br><br>Cheers,<br>./k<br><br>On 2023-04-01 01:26, brianw wrote:<br><blockquote type="cite">Do you have any data sheets or part numbers for NVRAM?<br>Last time I checked, they either have a battery built-in, or they require different code to work with SRAM interface timing. In other words, I don't think you can retrofit. If someone has a part number that would work, I'd like to know how it works.<br>The other solutions people are talking about use a new CPU design where the code can handle modern non-volatile memory.<br>Brian<br>On Mar 31, 2023, at 11:36 AM, antti.s.pitkamaki--- via Synth-diy <synth-diy@synth-diy.org> wrote:<br><blockquote type="cite">I hate leaky batteries. Does anybody know if there is an NVRAM solution for the Roland TR606? I don’t want to keep batteries in it, but it looses memory contents without them…<br>At least for pinball machines some have replaced the original volatile memory chips with NVRAM equivalents, but googling about a solution for the TR606 yields nothing.<br>Cheers,<br>Antti<br></blockquote>_______________________________________________<br>Synth-diy mailing list<br>Synth-diy@synth-diy.org<br>http://synth-diy.org/mailman/listinfo/synth-diy<br>Selling or trading? Use marketplace@synth-diy.org<br></blockquote>_______________________________________________<br>Synth-diy mailing list<br>Synth-diy@synth-diy.org<br>http://synth-diy.org/mailman/listinfo/synth-diy<br>Selling or trading? Use marketplace@synth-diy.org<br></div></div></blockquote></div><br></body></html>