<!DOCTYPE html><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /></head><body><div data-html-editor-font-wrapper="true" style="font-family: arial, sans-serif; font-size: 13px;">I am using a XGecu TL866 Mark2 plus programmer -c heap and cheerful that has successfully burned Eproms.<br>Will check the burn process etc. I will try programming then read the chip and try running diff on the before and after versions.<br><br>Regards Tony<br><br><br>October 6, 2022 11:30 AM, "grant musictechnologiesgroup.com" <<a target="_blank" tabindex="-1" href="mailto:grant@musictechnologiesgroup.com?to=%22grant%20musictechnologiesgroup.com%22%20<grant@musictechnologiesgroup.com>">grant@musictechnologiesgroup.com</a>> wrote:<br> <blockquote><div><div><div>My first suspicion is that the GAL chips aren't getting burned correctly. It's hard to find a combination of burner and chip that works in my opinion. On new chips, can you burn the original configuration? At least that gets you a sanity check when burning PLDs. Beware of true or false checksum tests. Been bitten by that myself.</div><div></div><div>GB</div><div></div><div>------ Original Message ------</div><div>From: "<a rel="external nofollow noopener noreferrer" target="_blank" tabindex="-1" href="mailto:music@artxtek.com">music@artxtek.com</a>" <<a rel="external nofollow noopener noreferrer" target="_blank" tabindex="-1" href="mailto:music@artxtek.com">music@artxtek.com</a>></div><div>To: "Synth-Diy mailing list" <<a rel="external nofollow noopener noreferrer" target="_blank" tabindex="-1" href="mailto:synth-diy@synth-diy.org">synth-diy@synth-diy.org</a>></div><div>Sent: 10/6/2022 7:58:11 AM</div><div>Subject: Re: [sdiy] Kurzweil K2000 upgrade</div><div></div><div> <blockquote cite="2f2e44a47db118b6d9f57008f008d6e9@artxtek.com" type="cite"><div style="font-family: arial, sans-serif;font-size: 13px">After searching the internets I finally found the info on how to upgrade a Rev A, B or B2 Engine board that does not have JP7 installed.<br>I noticed a reference to the upgrade on <a rel="external nofollow noopener noreferrer" target="_blank" tabindex="-1" href="https://monotanz.de">monotanz.de</a> - a seller of upgrade ROMs and the site owner sent me a PDF containing the info.<br><br>So the K2000 is running Calvin v 3.87 with just one small issue - it locks up after booting up unless it is in diagnostic mode.<br>It runs all the diagnostic tests repeatedly with no issue but when I boot into "regular" mode it freezes after a few minutes.<br>Further study of the upgrade notes indicates that an upgrade of the Pseudo and Godot GAL chips is highly recommended to fix "stability issues".<br><br>I currently have Pseudo v2.0 and Godot V3.0. I found images for the K2000R on <a rel="external nofollow noopener noreferrer" target="_blank" tabindex="-1" href="https://DBWBP.com"> DBWBP.com</a> for Pseudo v5.0 and Godot v5.0 however when I try either or both of these chips the K2000 will not boot at all.<br><br>Does anyone have K2000 images for Pseudo v4.0 and Godot v5.0, or am I missing something when I burn the images?<br><br>Regards Tony<br><br><signature></signature></div></blockquote></div></div></div></blockquote><br><br><signature></signature></div></body></html>