New XP install does not recognize RAID drives

I've been reading newsgroups and forums for days and can't get past
this.

Brand new Asus P5K-E MB.
2 x 500 gb sata drives.

config'd bios to raid and created a new volume through raid config.

created slipstreamed XP sp2 CD (although I've tried the orig too).

XP setup WILL NOT recognize this volume. I've tried F6 the drivers
(ICH8R / ICH-9R) and nothing works. It can't see a storage device
and I get booted out.

has anyone run into this?

thanks,
Patrick

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