Re: PATCH: /dev/nvram cleanups.

Meelis Roos (mroos@tartu.cyber.ee)
Thu, 29 Jul 1999 14:04:04 +0300 (EEST)

Messages sorted by: [ date ][ thread ][ subject ][ author ]
Next message: Jones D: "RE: PATCH: /dev/nvram cleanups."
Previous message: Meelis Roos: "RE: PATCH: /dev/nvram cleanups."

> Some RTCs implement only 64 bytes of NVRAM, with bytes 64-127 mapping back
> to 0-63. That way, you could not only write the NVRAM, but make the RTC
> generate interrupts (which we use as timer interrupts on some Alphas), set
> the system time or cause alarms as soon as you'd have write access to the
> NVRAM. AFAIK there is no way to autodetect the size of the NVRAM.

OK, I've seen a 64-byte CMOS myself. But 64 is still better than 50 :)
(no, I don't have real need to access these bytes yet)

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

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/

Next message: Jones D: "RE: PATCH: /dev/nvram cleanups."
Previous message: Meelis Roos: "RE: PATCH: /dev/nvram cleanups."