[rescue] Sun NVRAM

[Mike Hebel]

SS> Kenneth Dunn wrote:
>> 
>> I recall reading somewhere that it is possible to put new life into a Sun NVRAM by pulling the plastic cover off and wiring the internals upto a 3V battery. Anyone care to comment on how difficult
>> this is ?
>>
SS> I had a fairly easy time of it with a 3/80. Basically, scrape the epoxy
SS> off the bottom end of the chip opposite pin 1. Expose the two wires, and
SS> solder the battery leads onto those. Just take your time and it'll work
SS> OK. You'll have to follow the link that Eric mentions (or another one)
SS> to find the polarity. I don't remember offhand.

IIRC the original NVRAM FAQ had the polarity backwards.  There's one with
pictures that has it right.

Mike                         mailto:nimitz at owc.net