IastorA.sys is not found

Hello world

I need to downgrade a machine windows 7 to windows XP. I have formatted discs and I try to install windows XP using RAID1.
Sata is configured for Raid mode. I downloaded the raid drivers and store them on a floppy disk. I then press F6 to load and I get a list of RAID and AHCI drivers to load.
I tried all the raid drivers appearing on the list and every time the driver is loaded successfully from the diskette. I then press 'enter', the installation continues for a few seconds and then I get the error:

iaStorA.sys is not found

I do not understand why. It loads the driver but then cannot find it?

I also tried to integrate the driver iastora.sys with nLite on a Setup disk, but didn't make any difference.

Any suggestions please?

Thank you very much

Hi again,

After spending a whole day trying to install XP (32 bit) on a new ASUS P9X79 motherboard, I find 32-bit but just that the driver of the TSRI will support XP 64-bit, and that's why I am getting the above error.

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