[rescue] NVRAM Part sanity check

[Peter Stokes]

Hi 

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….

Peter

Sent from my iPad

> On 1 Dec 2024, at 17:32, Jonathan Chapman via rescue <rescue at sunhelp.org> wrote:
> 
> 
> 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.
> 
> Thanks,
> Jonathan
> 
>> On Sunday, December 1st, 2024 at 12:11, Peter Stokes via rescue <rescue at sunhelp.org> wrote:
>> Hi
>> 
>> 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. 
>> 
>> Peter
>> 
>> Sent from my iPhone
>> 
>>>> On 1 Dec 2024, at 16:21, Steve Hatle via rescue <rescue at sunhelp.org> wrote:
>>>> 
>>>  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. 
>>> 
>>> 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. 
>>> 
>>> 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.
>>> 
>>> Thanks,
>>> 
>>> Steve
>>> 
>>> Ultra 1
>>> Ultra 2
>>> Ultra 5/10
>>> Ultra 5/10
>>> Ultra 5/10
>>> Ultra 5/10
>>> Ultra 30
>>> Ultra 60/E220R
>>> E250
>>> E450
>>> Ultra 80/E420R
>>> Sun Blade 100
>>> Sun Blade 150
>>> Sun Fire 280R
>>> Netra t1 Model 100/105
>>> Netra t1 Model 100/105
>>> Netra 20
>>> Netra 20
>>> Netra T1 AC200/DC200
>>> Netra T1 AC200/DC200
>>> Netra 120
>>> Netra 120
>>> Sun Fire V120
>>> Sun Fire V120
>>> Sun Blade 1000
>>> Sun Blade 2000
>>> Sun Fire V480
>>> Sun Fire V880
>>> Ex000 Clock
>>> Ex000 I/O
>>> Fx800 Sys Cont
>>> Fx800 ID Board	80xxxxxx
>>> 80xxxxxx
>>> 8xxxxxxx
>>> 8xxxxxxx
>>> 8xxxxxxx
>>> 8xxxxxxx
>>> 80xxxxxx
>>> 8xxxxxxx
>>> 8xxxxxxx
>>> 8xxxxxxx
>>> 8xxxxxxx
>>> 8xxxxxxx
>>> 83xxxxxx
>>> 8xxxxxxx
>>> 8xxxxxxx
>>> 8xxxxxxx
>>> 83xxxxxx
>>> 83xxxxxx
>>> Unprogrammed 
>>> 83xxxxxx
>>> Unprogrammed 
>>> 83xxxxxx
>>> Unprogrammed 
>>> 83xxxxxx
>>> 8xxxxxxx
>>> 83xxxxxx
>>> 83xxxxxx
>>> 83xxxxxx
>>> 8xxxxxxx
>>> 8xxxxxxx
>>> 8xxxxxxx
>>> 8xxxxxxx	48T59 NVRAM
>>> 48T59 NVRAM
>>> 48T59 NVRAM
>>> 48T59 NVRAM
>>> 48T59 NVRAM
>>> 48T59 NVRAM
>>> 48T59 NVRAM
>>> 48T59 NVRAM
>>> 48T59 NVRAM
>>> 48T59 NVRAM
>>> 48T59 NVRAM
>>> 48T59 NVRAM
>>> 48T59 NVRAM
>>> SEEPROM
>>> CP1500 IDPROM
>>> Configuration Card
>>> Configuration Card
>>> Configuration Card
>>> 48T59 NVRAM
>>> Configuration Card
>>> 48T59 NVRAM
>>> Configuration Card
>>> 48T59 NVRAM
>>> Configuration Card
>>> SEEPROM 1× MAC
>>> SEEPROM 1× MAC
>>> SEEPROM 2× MAC
>>> SEEPROM 2× MAC
>>> 48T59 NVRAM
>>> 48T59 NVRAM
>>> 48T59 NVRAM
>>> SEEPROM	525-1430
>>> 525-1417
>>> 525-1430
>>> 525-1817
>>> f100-6889
>>> 100-6948*
>>> 525-1430
>>> 525-1430
>>> 525-1726
>>> 525-1673
>>> 525-1785**
>>> f100-6889
>>> f100-6889
>>> 525-1788
>>> 370-3997*
>>> 370-4285
>>> 370-4435*
>>> 370-5155
>>> 100-6889
>>> 370-4285
>>> 100-6889
>>> 370-4285
>>> 100-6889
>>> 370-4285
>>> 525-1788
>>> 525-1788
>>> 100-5311*
>>> 100-5311*
>>> 100-4007
>>> 100-4007
>>> 100-4007
>>> 501-5880	U2006
>>> U2006
>>> U13
>>> U13
>>> U13
>>> U13
>>> U2706
>>> U2706
>>> U2706
>>> U3104
>>> U3008
>>> U48
>>> U48
>>> _______________________________________________
>>> rescue list - http://sunhelp.org/mailman/listinfo/rescue_sunhelp.org
> 
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