Archived from groups: alt.comp.periphs.mainboard.asus (
More info?)
"Paul" <nospam@needed.com> wrote in message
news:nospam-1006052240350001@192.168.1.178...
> In article <DR4qe.12929$hg.4925@fe12.lga>, "RBM" <rbm2(remove
> this)@optonline.net> wrote:
>
> > Go to the Asus CPU support for the P4PE -
> >
http://support.asus.com/cpusupport/cpusupport.aspx?SLanguage=en-us&model=P4PE
> > There it will show you all the CPU's you can use for that board
including
> > some 800 FSB, which have limitations
>
> The link on that page is broken. To find out the limitations of
> running FSB800 Northwood processors on the P4PE, go here:
>
>
http://www.asus.com/products/mb/fsb800.htm
>
> To use a FSB800 0.13 micron processor:
>
> 1) Upgrade the BIOS to 1006 or later revision, before installing
> the new processor.
> 2) When running at FSB800, you are limited to one stick of DDR400
> memory. That is because the chipset runs synchronous, and clocks
> the processor and memory with the same clock speed. The best
> you could do, is to find a 1GB DDR400 DIMM, with CAS2 64Mx8
> memory chips on it. If you add more sticks of memory than a
> single DIMM, you will see memory errors. Test with memtest86+
> from memtest.org .
>
> The typical user experience with this idea, is that the motherboard
> barely works at FSB800/DDR400. The memory will not go more than a
> few MHz faster than the DDR400 rate. In some cases, you have to
> adjust the clock to give slightly less than FSB800, to get stability.
> The Asus cpusupport page shows 3.2Ghz processors as being the top
> speed, which will give you a slight improvement over your 2.8Ghz
> processor. Running the memory a bit faster will help about 5%.
>
> HTH,
> Paul
>
> > "Musashi" <Miyamoto@Hosokawa.co.jp> wrote in message
> > news:tM1qe.13776$Oq7.5992@newssvr33.news.prodigy.com...
> > >I have one PC with an ASUS P4PE using a 2.8 GHz
> > > 533 FSB 478 CPU.
> > > Looking around the net I do not see the 3.0GHz
> > > 533 FSB CPUs available anymore.
> > > Can the P4PE run the 800 FSB CPUs?
> > > Do they sinply run at 533 FSB?
> > >
> > > Many thanks
> > >
Thanks Paul and all who replied.
Looks like either I luck out and find 3.0 533fb CPU or I ought to
do the motherboard switch thing.
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