Hmmm... Gotta love this board. Ultra stable and people are still running it after two years (like me).
If it's an older P2B you'll most likely have to update the BIOS to the latest, which is 1012.
First you need to know what version the board is to get the most information. It's usually printed between the card slots, at least in some of them. The numbers range from 1.0 to 1.12. I dunno if anything before 1.02 will work, but verified successes of 1.02 or later are everywhere. The 1.12 board (which nobody seems to have) is fully Coppermine compatible, and will run at any correct PIII voltage. With the older boards, you HAVE to run a flip chip with a slotket which has voltage jumpers, since you cannot adjust the voltage on the motherboard or in the BIOS. If you have an old board like a 1.02 you can't go below 1.8 V. If you try to boot a 1.7 V Celemine at stock voltage, it just won't work - black screen. However, if you have a board like my 1.10 (which also has more bus speeds than the older boards) you can run these lower voltages no problem. However, mine is weird because it only runs voltages in 0.1 V increments. 1.65 usually boots as 1.7, but sometimes it doesn't boot at all. 1.7 works every time.
However, I run 1.8 V anyway to hit 880 MHz with my Celeron 533A, and with 1.9 V I can get 920 MHz stable (but I don't like running my hard drives at such a high PCI bus speed (38.3)).
By the way, most of us prefer the MSI MS-6905 Master slocket over the Abit Slocket !!!. I have run both, and with the former I could run Windows (unstably) @ 992 and with the latter I could barely post.
EDIT: Oops, typos, and forgot my max speed numbers. Luckily it was all recorded for posterity for your viewing pleasure on the overclockers.com database.
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