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Pastimes : Dream Machine ( Build your own PC )

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To: Zeddie88 who wrote (10483)	2/12/2000 8:27:00 PM
From: Howard R. Hansen	Read Replies (1) of 14778

With the Asus or Abit boards, don't I have the option of adjusting the FSB from 100MHz to 133MHz in the BIOS. Yes you do. In fact for the Asus P3B-F you can adjust the FSB, front side bus, frequency to most any frequency in the range from 66 to 150 MHz. However, here is the kicker. The P3B-F manual states "Warning frequencies above 100 MHz exceed the specification for the on board chipset and are not guaranteed to be stable". Motherboards that use a chipset of more recent vintage than the 440BX have a maximum rated FSB frequency of 133 MHz. Conclusion you can run the FSB at a higher frequency than 100 MHz but you are on your own. If that is true, does this then mean that I can run a PIII 600 (133FSB) CPU at its rated 133MHz on the Asus P3B-F board? No, for the same reason given above. There is no guarantee the P3B-F will be stable when running with at a FSB frequency of 133 MHz. I think more intriguing than the wide available range of FSB frequencies is the P3B-F allows to you to set the ratio between the CPU's internal frequency and the FSB frequency to most any value between 2 and 8. This gives you the option of buying a 500 or 550 MHz PIII, running the FSB at 100 MHz and the CPU at 750 MHz. I haven't been following the results other have obtained using the P3B-F to build an over clocked computer but it is certainly worth looking into. Here is a report from a news group from a user of an Athlon CPU and a Matrox G400. This may be another promising option for you. "I currently have an athlon 700@806 on an asus k7m rev 1.04 running fine with the g400 max. I've heard bout some others having problems but a firmware upgrade of the mb and the newest matrox drivers seem to fix the problems"

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