Archived from groups: alt.comp.periphs.mainboard.asus (
More info?)
With respect to the OP, IF the claims I've reported are correct then you
need a different CPU if you have the high power Prescott version. Does
anyone know of a mobo that's guaranteed to work with the new high power
Prescotts...bet Intel has one but is it 865/875?
"Ron Reaugh" <rondashreaugh@att.net> wrote in message
news:iLzZc.543616$Gx4.26982@bgtnsc04-news.ops.worldnet.att.net...
>
> "Paul" <nospam@needed.com> wrote in message
> news:nospam-0109041640260001@192.168.1.177...
> > In article <2174c4d8.0409010708.39d53373@posting.google.com>,
> > tobbe@marshal.se (Marshal) wrote:
> >
> > > Hello.I have a problem that i cant run my cpu in 3.2 Ghz , it only
> > > runs in 2.8Ghz and i have intstalled the
> > > latest bios version P4P800S-E Deluxe release BIOS 1006 but i cant find
> > > any options in the bios to
> > > change the clockspeed.
> > > Do i have to install the 1005 file to , thats change the "Fix Prescott
> > > Locked
> > > CPU cant run to highest frequency. " ? or does the 1006 bios file fix
> > > that to?
> > >
> > >
> > > [Product Information]
> > > *Product Type : Motherboard
> > > *Product Model : P4P800S-E Deluxe
> > >
> > > [VGA Card Specification]
> > > *VGA Card Vendor : Nvidia
> > > *VGA Card Model : Ti4600
> > > *VGA Card Chipset : ti4600
> > > *VGA Card Driver : latest
> > >
> > > [CPU Specification]
> > > *CPU Vendor : Intel
> > > *CPU Type : Socket 478
> > > *CPU Speed : 3.2Ghz
> > >
> > > [Memory Specification]
> > > *Memory Vendor : Kingston
> > > *Memory Model : DDR kvr200x64c3A
> > > *Memory Capacity : 1024Mb
> >
> > When a bug is fixed in the BIOS, the fix should be carried into the
> > next BIOS release as well. I would try flashing 1005, as you suggest,
> > and then report the problem to Asus, so it can be fixed in the
> > next beta version.
> >
> > This bug has to do with the "platform requirement bit (PRB)". There
> > are two levels of Vcore power design, and two power levels of Prescott.
>
> AHH, have you seen the claims/threads/news articles? that those new power
> requirement Prescotts will NOT run on the existent base of 865/875 chipset
> mobos. The claim is that there is a fundamental HW incompatibility that a
> BIOS change can't handle! Massive googling might find it again as I don't
> know where but the claim was very specific and I took notice. The claim
did
> NOT include the fact that there are two versions of Prescotts which I
> assumed on reading it that there must be. This thread is the first place
> I've seen confirmed two Prescott versions as I did no follow up research.
>
> Further the claim seem to be that all faster Prescotts will be the higher
> power version and therfore the Prescott faster CPU upgrade path for
existent
> 865/875 chipset mobos is extremely LIMITED.
>
> NOW let's make sure we get the two Prescott HW version issue fully CROSSED
> with the SP2 microcode issue and BIOS microcode issue<G>.
>
> > The BIOS code has to do _something_ (dunno what exactly) to convince
> > a high power version of Prescott, that the motherboard is capable of
> > powering it.
>
> Apparently it can't because it can't even if it wanted to<G>.
>
> > If the condition is not met, the processor is supposed
> > to reduce the multiplier to the lowest value for the family, which
> > is 14x, giving 2.8GHz operation. The BIOS fix should be adding code
> > to handle the platform bit.
> >
> > If you are curious, look here. There are actually two different
> > versions of the 3.2E. One high power,
>
> Interesting.
>
> ...didn't notice initially...Paul again...should have figured. Have you
> heard about the issue I'm describing?
>
> > one lower power. If you
> > report the BIOS bug to Asus, include the SSPEC (SLxxx) code
> > from the package the processor came in, so they can figure out
> > which processor you are using. (SL7B8 is high power or SL7KC is
> > low power - processorfinder.intel.com)
> >
> >
ftp://download.intel.com/design/Pentium4/datashts/30056102.pdf
> >
> > HTH,
> > Paul
>
>
>
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