Messages in this thread | | | Date | Thu, 05 Dec 2002 22:10:07 +0100 | From | Stefan Smietanowski <> | Subject | Re: host buss on p4 xeon |
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Hi Byron
> I am testing some new dual 2.4/2.8ghz Xeon DP boxes. They all have the > ServerWorks GC -LE Chipset. I was looking at the dmesg out put and it > says that the host buss is 100mhz but I in all the docs about the mother > board it says it should 400. Is this some other number or is there some > patches I need to get the faster bus speeds?
Strictly speaking your docs are lying.
The Pentium4 and Xeon CPUs use a 100 or 133Mhz quad-pumped bus. Transfer 4 items of data per clock getting an effective bandwidth of 400MHz at 100MHz or 533 at 133MHz.
// Stefan
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