[rescue] Ultra 2 NVRAM - failed fix

[Peter Stokes]

Hi

No point buying 59s as mentioned as they have not been made maybe for nearly 2 decades and batteries will be dead. Many sellers of these crap items. That is why you need to use official disti and get the 58 which will be recent stock. 

Peter

Sent from my iPhone

> On 1 Nov 2024, at 10:22, silcreval via rescue <rescue at sunhelp.org> wrote:
> 
> Well the 'new' M48T59Y arrived, but failed in a slightly different way.
> 
> With the new chip in, the Ultra 2 startups up and seems to skip the diagnostics, appart from the basic POST memory checks etc. I then program the NVRAM as usual and on power on, it always resets the NVRAM to default values, which isn't too useful :)
> 
> I've tried with machine types of 80 and 83 with the same results. It's not clear to me what the Ultra 2 machine type should be, so tried both settings.
> 
> I'm guessing the battery has gone on the new chip. I wish they put date stamps on these chips.
> 
> Just FYI the OBP reports as 3.25 so I'm definitely not on '4'.
> 
> - Ian
> _______________________________________________
> rescue list - http://sunhelp.org/mailman/listinfo/rescue_sunhelp.org