Re: Writing to CMOS RAM

Meelis Roos (mroos@tartu.cyber.ee)
Sat, 6 Jun 1998 19:12:46 +0300

tzdcu> 2) I'm not sure how to read and set the checksum so I just don't do it
tzdcu> which obviously gives errros on reboot or waking from hiberbate.
tzdcu> The CMOS RAM I am wrting to starts at the bytes which are offset
tzdcu> 50 above the RTC RAM ie. where nvram.c stops.

If the checksum algorithm is unified (is it?), maybe we should have an automatic
checksum calculating in nvram driver (maybe some ioctl).
It could (maybe even automatically) update the checksum if a byte is changed
that is not in the time area and is not the checksum itself.

Optinions?

-- 
Meelis Roos (mroos@tartu.cyber.ee)


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