installing windows xp over 98, reformat?

im going to install windows xp home upgrade soon over a windows 98 but i wanted to know if i had to reformat my hdd, i wanted to know because the drivers for my asus a7n8x board only were compatible up to 98 SE, and nothing below that (meaning my windows 98) so i think i should probably reformat, cuz the drivers are definitely not gonna be compatible with each other, and the versions of software may conflict, advice nebody??
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Zoroastrianism advice

Format the drive, then boot from the XP upgrade disc. It'll ask for a previous Windows disc (95, 98, 2000, ME, etc.), stick that in, it'll verify it and then continue the XP installation as if you have the full version of XP.

I upgraded a W98SE computer to XP for a friend at his insistance. By the time I ironed all the bugs out, it would have been easier to do a clean installation.

Back up, format and a clean install is the best route.

aight, thx guys, another question is...is 2000 better than xp pro/home? i heard that 2000 is better, also id prefer to use 2000
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BOX VAPORIZERS

Some people prefer it but IMO they are pretty much the same except that XP has mroe features (wich is both good and bad- more stuff but uses more resources).

Use 2000 Pro unless you consider yourself a n00b.