<html aria-label="message body"><head><meta http-equiv="content-type" content="text/html; charset=us-ascii"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div><blockquote type="cite"><div>On 18 Jul 2026, at 23:55, Steve Hatle via rescue <rescue@sunhelp.org> wrote:</div><div><div>I put in a chip with the Glitchworks battery fix board and updated using the mkp method.<br>[..]But - if I power down and unplug things for a couple minutes, when the machine comes back up it has the error<br>Incorrect configuration checksum<br></div></div></blockquote><blockquote type="cite"><div><div><font color="#000000"><span style="caret-color: rgb(0, 0, 0);">[..] </span></font>When the banner prints, the values for hostid and the MAC address are there from what I programmed, but then there is the<br></div></div></blockquote><div><br></div>That sounds like the values are retained (MAC and hostid are still there - so battery is working) but the checksum is incorrect.</div><div>That's programmed with the 0 f 0 do i idprom@ xor loop f mkp command (I just programmed 50+ of these so I know this by heart now ;-)</div><div>Maybe you can just retry that single command to see if that fixes the checksum.</div><div><br></div><div>Regards,</div><div>Walter.</div><div><br></div></body></html>