using /dev/nvram to alter cmos settings

[Kerry Hoath]

Actually the Linux apm stuff is slightly controlled by the bios if apm is
enabled in bios and kernel has apm support then Linux does power management. If
you ommit the apm support, then your machine can go to sleep and never wake
up, or my network card (rtl8139 bodgey one) used to do that.

Linux does actually look in the cmos structures when driving mfm/esdi drives,
also for drives that don't support the IDE identify command or the ones you
specify noprobe for.
There is cmos reading code in hd.c I think. Linux also reads and writes the
hardware clock; but most operating systems do.

Regards, Kerry.
On Mon, Jul 03, 2000 at 07:21:51PM -0400, Kirk Reiser wrote:
> I haven't actually played with the nvram device although it's one of
> those things I want to play with at some point.  It won't have any
> affect on your settings in linux though because linux doesn't use the
> bios or cmos after passing the lilo prompt.  You could probably edit
> the cmos for affecting it under windows though.  If you are having
> problems with it under linux then most likely you have power
> management turned on in your kernel.
> 
>   Kirk
> 
> -- 
> 
> Kirk Reiser				The Computer Braille Facility
> e-mail: kirk at braille.uwo.ca		University of Western Ontario
> phone: (519) 661-3061
> 
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-- 
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Kerry Hoath: kerry at gotss.eu.org
Alternates: kerry at emusys.com.au kerry at gotss.spice.net.au or khoath at lis.net.au
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