[rescue] Ultra 2 NVRAM - failed fix

[Ethan Hawke]

The M48T59Y is the chip that Sun used originally. The only difference between the 58 and 59 is that the 59 supported an alarm feature, which Sun never used. I have a 58Y in one of my U2's, and it works perfectly fine.

- Ethan

On 29 Oct 2024, 11:46 pm, at 11:46 pm, silcreval via rescue <rescue at sunhelp.org> wrote:
>Hi Jon - it looks like it is OBP 3 on this machine so the MKP prompt
>appeared to work. If I reset (rather than power down) the mac values
>are displayed in the title screen. It's just power off where everything
>is lost.
>
>Hi Ethan - the chip appears to work in situ, but doesn't save its
>settings. I tried the watch-clock command and that worked as expected
>(the second timer showing)
>
>Hi Peter - you mentioned a M48T58 - although this is definitely fitted
>with a M48T59. I wonder if the chip has been replaced previously with
>the wrong type? I've ordered a new M48T58 so will see if that works.
>
>Thanks for the help all, much appreciated.
>
>- Ian
>_______________________________________________
>rescue list - http://sunhelp.org/mailman/listinfo/rescue_sunhelp.org
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