[NTLUG:Discuss] BIOS

[Gilbert Morrow]

Thanks for the reply , but the BIOS does not have a setting for throttling
the cpu . Checked /proc/acpi and /proc/cpuinfo both have no entries , in
that there are no values in either of them .
I see that SuSE has a power saving daemon running , but if I turn it off
SuSE will not pickup my USB devices.
Maybe just a quirk with SuSE 10.0 ! My wife's computer ,  which is the same
as mine but with a 2800+ and SuSE 9.3 , IDes the processor correctly and
voltage does not change in BIOS .
I could see this happening if it were a laptop , power saving for battery
life , but this is a desktop .


On 1/23/06, Chris Cox <cjcox at acm.org> wrote:
>
> Gilbert Morrow wrote:
> > I have a strange thing happening to my desktop computer that has got me
> > stumped , I just installed a AMD 64bit 3400+ processor in my Shuttle SFF
> ,
> > the processor is stated to run at 1.5v . The strange thing is when I
> boot to
> > SuSE 10.0 the processor is IDed as a 3400+ but at 1005.05 mhz which it
> is
> > not it 2.4 mhz , in Windows the processor is IDed as a 3400+ but at 1mhz
> > also , in BIOS I have found that the voltage is going from 1.5v to 1.07v,
> > the 1.07v happens when I boot in SuSE . If I turn the computer off and
> then
> > back on and go straight to Windows the processor is IDed as the correct
> > processor and mhz , but if I go into SuSE it changes to 1.07v and is
> IDed
> > 3400+ at 1005.05 mhz every time.
> >
> > In other words SuSE is changing the BIOS voltage setting at boot and it
> > remains until power is turned off and back on again , what is happening
> to
> > cause this ?
> > Phoenix Award BIOS v6.0 , Bios Cache able , Off , flashed to latest Bios
> ,
> > DMI block flashed with no problems .
>
> Powernow (Cool n' Quiet)?
>
> /proc/cpuinfo shows the current speed ... not the speed it is
> capable of.  Look in /proc/acpi (somewhere... I don't have
> a CPU with PowerNow (Cool n' Quiet) enabled... (but maybe
> I haven't checked that).
>
> You're bios may have an option that allows you to turn
> that off btw.
>
> Just a wild guess.
>
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