Cant get new board to boot windows

Sorry if this appears twice, I did not get the posted confirmation
screen on first attempt.
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I am upgrading a AMD 1.4 Aus system to an AMD64 cpu with Gigabyte K8NS
Pro motherboard.

I am reusing the 2 IDE drives(windows XP already installed)NON-raid, 1
DVD RW and CDRom. All plugs and cables are correctly connected.

Boot starts OK. It shows the IDE devices listed correctly, but gets to
a gigraid screen and says "doing IDE scan" and then it finds zero
devices and cant boot Windows XP.

Drives have power and i can see their access lites some on when i do
certain things in bios settings.

I figure it is configured as a raid system by default? And I need to
reconfigure the board in some way, but I cannot find anything in the
manual or online on how to fix this. Tried various things in bios
configure menus but nothing works.

Any suggestions?