Re: Enabling my second CPU

On Wednesday 05 May 2004 08:04 am, Eirik Oeverby wrote:
I used the L5 mod to get my xp-> mp. It works well but chips are cheap now. I 
would just buy mp's in the future.
> Hi,
>
> I've bumped into a rather curious problem - not really FreeBSD specific,
> but I was still hoping some wizard could help me solve it.
>
> I've recently changed from an Asus A7M266-D board to a MSI K7D Master-L
> board, due to the Asus dying on me. I'm running with dual Athlon 1.4ghz
> CPUs (non-MP, just plain old Athlon CPUs), and with the Asus this was no
> problem at all. Performance was fine, both CPUs were utilized well, and
> all was good.
> Now with the MSI board, the BIOS complains on bootup that the CPUs I'm
> using aren't MP-capable, and that it has disabled one and is running in
> UNIprocessor mode.
> As you will see in the output from mptable(1) below, the 2nd CPU is
> found, but marked as 'unusable'. Now obviously since I was using the
> same two CPUs on the Asus board, they *do* work in dual mode, and the
> chipsets on the two motherboards are exactly the same. Thus there's no
> good reason (from my POV) why the BIOS is disabling my 2nd CPU and
> ruining my fun..
>
> Does anyone know a way to get around this? Perhaps to force-enable the
> 2nd CPU in the kernel or something? I've read reports that Windows XP
> actually recognizes and uses both CPUs despite what the BIOS says, which
> to me is an indication that it should be possible somehow. I also
> suspect that the actual check in the BIOS could be disabled by some
> hackery in the BIOS flash file, however I'd like to try other options
> first.
>
> If anyone think they can help, it'd be most appreciated!
>
> With best regards,
> /Eirik
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