<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Hi <div><br></div><div>I have seen docs in the past outlining changing the NVRAM on OBP 4 and not something I would care to do, life is too short….</div><div><br></div><div>Peter<br><br><div dir="ltr">Sent from my iPad</div><div dir="ltr"><br><blockquote type="cite">On 1 Dec 2024, at 17:32, Jonathan Chapman via rescue <rescue@sunhelp.org> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div style="font-family: Arial, sans-serif; font-size: 14px;">It can be done on the Sun Blade 100 itself, but requires a complicated/annoying song and dance. I always did it on something else. You can program just the NVRAM section on e.g. a TL866+ programmer, as a 32K NVRAM. It will fail checksum as the clock section throws it off, but will still program the NVRAM part.</div><div style="font-family: Arial, sans-serif; font-size: 14px;"><br></div><div style="font-family: Arial, sans-serif; font-size: 14px;">Thanks,</div><div style="font-family: Arial, sans-serif; font-size: 14px;">Jonathan<br></div>
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On Sunday, December 1st, 2024 at 12:11, Peter Stokes via rescue <rescue@sunhelp.org> wrote:<br>
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Hi<div><br></div><div>For the 100 you need a 48t59 and you need to program it with the correct id etc for a 100 Inc checksum as not possible to change on the 100/150. </div><div><br></div><div>Peter<br><br><div dir="ltr">Sent from my iPhone</div><div dir="ltr"><br><blockquote type="cite">On 1 Dec 2024, at 16:21, Steve Hatle via rescue <rescue@sunhelp.org> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr">
I have a friend that has a Sunblade 100 that has lost it's NVRAM
battery. I have no problem with doing the Dremel work and adding a
Glitchworks battery board, but he's 400 miles away. <br>
<br>
I was just going to lift a chip from a suitable donor, do the work and
then send it to him, but I just want to make sure that I use the correct
chip, since I don't have a 100 here. <br>
<br>
The FEH seems to indicate it's the same chip across most of the early
Ultra machines, but since they have differeing part numbers, I'm curious
if it really makes a difference? I'm guessing not, but any confirmation
either way would be helpful.<br>
<br>
Thanks,<br>
<br>
Steve<br>
<br>
<table border="">
<tbody><tr><td align="LEFT">Ultra 1<br>
Ultra 2<br>
Ultra 5/10<br>
Ultra 5/10<br>
Ultra 5/10<br>
Ultra 5/10<br>
Ultra 30<br>
Ultra 60/E220R<br>
E250<br>
E450<br>
Ultra 80/E420R<br>
Sun Blade 100<br>
Sun Blade 150<br>
Sun Fire 280R<br>
Netra t1 Model 100/105<br>
Netra t1 Model 100/105<br>
Netra 20<br>
Netra 20<br>
Netra T1 AC200/DC200<br>
Netra T1 AC200/DC200<br>
Netra 120<br>
Netra 120<br>
Sun Fire V120<br>
Sun Fire V120<br>
Sun Blade 1000<br>
Sun Blade 2000<br>
Sun Fire V480<br>
Sun Fire V880<br>
Ex000 Clock<br>
Ex000 I/O<br>
Fx800 Sys Cont<br>
Fx800 ID Board</td>
<td align="LEFT">80xxxxxx<br>
80xxxxxx<br>
8xxxxxxx<br>
8xxxxxxx<br>
8xxxxxxx<br>
8xxxxxxx<br>
80xxxxxx<br>
8xxxxxxx<br>
8xxxxxxx<br>
8xxxxxxx<br>
8xxxxxxx<br>
8xxxxxxx<br>
83xxxxxx<br>
8xxxxxxx<br>
8xxxxxxx<br>
8xxxxxxx<br>
83xxxxxx<br>
83xxxxxx<br>
<font size="-1">Unprogrammed</font> <br>
83xxxxxx<br>
<font size="-1">Unprogrammed</font> <br>
83xxxxxx<br>
<font size="-1">Unprogrammed</font> <br>
83xxxxxx<br>
8xxxxxxx<br>
83xxxxxx<br>
83xxxxxx<br>
83xxxxxx<br>
8xxxxxxx<br>
8xxxxxxx<br>
8xxxxxxx<br>
8xxxxxxx</td>
<td align="LEFT">48T59 NVRAM<br>
48T59 NVRAM<br>
48T59 NVRAM<br>
48T59 NVRAM<br>
48T59 NVRAM<br>
48T59 NVRAM<br>
48T59 NVRAM<br>
48T59 NVRAM<br>
48T59 NVRAM<br>
48T59 NVRAM<br>
48T59 NVRAM<br>
48T59 NVRAM<br>
48T59 NVRAM<br>
SEEPROM<br>
CP1500 IDPROM<br>
Configuration Card<br>
Configuration Card<br>
Configuration Card<br>
48T59 NVRAM<br>
Configuration Card<br>
48T59 NVRAM<br>
Configuration Card<br>
48T59 NVRAM<br>
Configuration Card<br>
SEEPROM 1× MAC<br>
SEEPROM 1× MAC<br>
SEEPROM 2× MAC<br>
SEEPROM 2× MAC<br>
48T59 NVRAM<br>
48T59 NVRAM<br>
48T59 NVRAM<br>
SEEPROM</td>
<td align="LEFT">525-1430<br>
525-1417<br>
525-1430<br>
525-1817<br>
f100-6889<br>
100-6948*<br>
525-1430<br>
525-1430<br>
525-1726<br>
525-1673<br>
525-1785**<br>
f100-6889<br>
f100-6889<br>
525-1788<br>
370-3997*<br>
370-4285<br>
370-4435*<br>
370-5155<br>
100-6889<img src="https://shrubbery.net/%7Eheas/sun-feh-2_1/images/dagger.gif" data-unique-identifier=""><br>
370-4285<br>
100-6889<img src="https://shrubbery.net/%7Eheas/sun-feh-2_1/images/dagger.gif" data-unique-identifier=""><br>
370-4285<br>
100-6889<img src="https://shrubbery.net/%7Eheas/sun-feh-2_1/images/dagger.gif" data-unique-identifier=""><br>
370-4285<br>
525-1788<br>
525-1788<br>
100-5311*<br>
100-5311*<br>
100-4007<br>
100-4007<br>
100-4007<br>
501-5880</td>
<td align="CENTER">U2006<br>
U2006<br>
U13<br>
U13<br>
U13<br>
U13<br>
U2706<br>
U2706<br>
U2706<br>
U3104<br>
U3008<br>
U48<br>
U48</td></tr></tbody>
</table>
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