DOS Guy wrote:
Arno wrote:

It should not make a difference.

I'm thinking that an XP system that was installed with SATA drivers,
with the controller in SATA -mode, will not be able to boot if the
controller is put into IDE-compatibility mode in the bios setup.

XP always has on-board IDE drivers and the BIOS is doint the first stage
anyways.

Reason
being that the system drivers would have incorporated the SATA drivers
(not the IDE drivers) to perform 32-bit drive access, and upon loading
them the system would find no drives attached to the SATA controller or
might not even find the sata controller - because the controller is now
emulating an IDE interface.

See above. And, BTW, I have done this.

Arno