[rescue] Ultra 30

Lionel Peterson lionel4287 at gmail.com
Tue Nov 22 10:54:41 EST 2022


It just brings up so many bad memories from my childhood sitting in a dentist chair, LOL.

I will succumb to the reality that it has to be done, oh well... 

Ken

> On Nov 22, 2022, at 10:50, Dave McGuire <mcguire at neurotica.com> wrote:
> 
>   Unfortunately, for the M48T59Y chip there aren't any other options. Taking a dremel to it really isn't that difficult.
> 
>             -Dave
> 
>> On 11/22/22 10:46, Lionel Peterson wrote:
>> While I admire the cleverness of taking a dremel to the original NVRAM is too much like a bad visit to the dentist office for me. If there was a way cleanly resolve the issue (buy a compatible part, etc) I'd much prefer that (assuming a reasonable cost, say under $20).
>> I've got an Ultra 60 I want to bring back to life, I'm not sure of the NVRAM battery status, but I assume it's dead/needs replacement. Aside from turning on and watching the fans spin, it's not been powered up in 10 years...
>> Ken
>>>> On Nov 22, 2022, at 10:12, mazzinia at tin.it wrote:
>>> 
>>> o;?
>>> 
>>> Hello,
>>> 
>>> Why not doing like in this video
>>> 
>>> https://www.youtube.com/watch?v=6tV_DUPSzyE <https://www.youtube.com/watch?v=6tV_DUPSzyE>
>>> 
>>> aka tweaking the original nvram ?
>>> 
>>> *From:*rescue <rescue-bounces at sunhelp.org> *On Behalf Of *Rob Craig
>>> *Sent:* Tuesday, November 22, 2022 3:53 PM
>>> *To:* rescue at sunhelp.org
>>> *Subject:* Re: [rescue] Ultra 30
>>> 
>>> Did anyone every manage to get a Sun Ultra 30 working?
>>> 
>>> 
>>> 
>>>    On 13 Nov 2022, at 21:30, Rob Craig <hello at robcraig.com
>>>    <mailto:hello at robcraig.com>> wrote:
>>> 
>>>    Hi guys,
>>> 
>>>    My Sun Ultra 30 NVRAM battery is dead and I purchased
>>>    aB B M48T58Y-70PC1 from Mouser. Ibve tried reprogramming and it
>>>    seems to accept the commands no issues but when I restart the
>>>    machine I get b
Incorrect configuration checksum. Solaria 7 then
>>>    freezes when I boot to disk. B Ibve tried the original NVRAM with
>>>    these commands and it works fine. System boots no issues. Any ideas?
>>> 
>>>    01 0 mkp
>>> 
>>>    80 1 mkp
>>> 
>>>    08 2 mkp
>>> 
>>>    0 3 mkp
>>> 
>>>    20 4 mkp
>>> 
>>>    c0 5 mkp
>>> 
>>>    ff 6 mkp
>>> 
>>>    ee 7 mkp
>>> 
>>>    0 8 mkp
>>> 
>>>    0 9 mkp
>>> 
>>>    0 a mkp
>>> 
>>>    0 b mkp
>>> 
>>>    c0 c mkp
>>> 
>>>    ff d mkp
>>> 
>>>    ee e mkp
>>> 
>>>    0 f 0 do i idprom@ xor loop f mkp
>>> 
>>>    <IMG_9923.jpeg>
>>> 
>>>    <IMG_9924.jpeg>
>>> 
>>> _______________________________________________
>>> rescue list - http://sunhelp.org/mailman/listinfo/rescue_sunhelp.org
>> _______________________________________________
>> rescue list - http://sunhelp.org/mailman/listinfo/rescue_sunhelp.org
> 
> -- 
> Dave McGuire, AK4HZ
> New Kensington, PA
> _______________________________________________
> rescue list - http://www.sunhelp.org/mailman/listinfo/rescue



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