SparcBook Tadpole

[Dave McGuire]

On 8/12/10 10:08 AM, dwight elvey wrote:
>>> Under SunOS, you can use the program called "eeprom" to dump out most 
>>> of the important contents. As far as restoring it, I'm not sure about 
>>> that, as I don't know what ROM-based code the very early SPARCbooks use.
>>>
>>> One way to do it might be to read it out using an EPROM programmer. 
>>> My Data I/O supports the MK48T02, for example.
>>
>> I think I can read it with my programmer. At least with an adapter to make
>> it think it is a 2716.
>> I tried the "eeprom" and it didn't work :(
>> This must be before someon realized it was a good idea. Acording
>> to the history page I saw, the SparcBook was relatively early in
>> the history of things.
>
>  Do you think I could use the program adb with /dev/nvram?
> Could I use it to display and or edit the nvram values?

  If /dev/eeprom or /dev/nvram exists, you may be able to use that.  Try
to dump the contents via that interface and see if it actually maps to
the hardware.  You can try "od -x /dev/nvram" to do a hex dump.

            -Dave

-- 
Dave McGuire
Port Charlotte, FL