Re: Is XP accessing both CPU cores?

Tech-Archive recommends: Fix windows errors by optimizing your registry

Setting the Resources to Manual may make
the BIOS non-ACPI compliant.

This may cause XP setup to install the
incorrect HAL, and other things.

Hassle your MB mgfr. for a BIOS fix.

"bambu" <bambu@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:2D15F01A-C9E2-4001-8614-DF41ACE22E77@xxxxxxxxxxxxxxxx
> Oh, an interesting note about the install...
> Windows XP setup would hang until I went into the BIOS > PnP/PCI Config
and
> set 'Resources Controlled By:' to 'Manual', rather than the default 'Auto
> (ESCD)'.
>
> One thing I have not tried is leaving the default for this setting in the
> bios and also forcing the Multiprocessor HAL in WinXP setup... but since
the
> system hung up on the first attempt... with brand new hard drives... I'm
not
> sure this would help. The multiprocessor HAL should have been detected...
> right? since I've never installed any other CPU on this Mobo. Perhaps
someone
> out there could shed some light?
>
> It does seem strange that I had to change the above mentioned bios
> setting... but it was something recommended for a system hang in Xp setup,
> and it worked... sort of... I have XP Pro... but maybe the PD 820 does not
> allow user control over the two cores?? I am boggled.
>
> "V Green" wrote:
>
> > Did you originally have a single core and
> > upgrade to a dual core?
> >
> > If so, your HAL may be wrong...
> >
> > "bambu" <bambu@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
> > news:A30AE975-8166-4F65-92CE-128F9A2AADF6@xxxxxxxxxxxxxxxx
> > > Pentium D 820, i945P, Windows XP Pro SP2, latest drivers, bios, etc...
> > >
> > > Device manager detects and displays both cores as two physical
> > processors...
> > > but, Task Manager's performance tab only seems to be accessing one
CPU -
> > one
> > > Usage history graph. Under view > CPU history - One Graph per CPU is
> > checked
> > > off and greyed out... most of the time. The latest version of CPU-Z
can
> > only
> > > detect information from one core (selection menu greyed out)... etc.
> > >
> > > So, is XP using both cores? In a P4 w/HT you would see two performance
> > > graphs... is there something preventing me from using both cores ?
> > >
> >
> >
> >


.

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