On 06/17/07 15:06:10, Claude Jones wrote: > On Sunday June 17 2007 5:38:33 pm Geoffrey Leach wrote: > > Sorry. > > > > I ask this because the system in question is dual-boot FC6, and > hence > > there might be someone who's experienced the same problem. > > > > Otherwise, please accept my apologies. > > > > A fully functional dual-boot FC6/Windoze XP system had its MB > replaced. > > On being returned (and the disk reinstalled) it booted FC6 just > fine, > > but XP could not find the disk. Not that it just would not boot, > but > > that under no circumstances (CD boot, ASR boot, normal boot) could > XP > > find the disk. The disk partitions are: 1 - NTSF, 2 - /boot, 3 - /. > > Any suggestions as to what might be missing? FWIW, the disk is > SATA, > > and, yes, the driver disk was provided at the appropriate time. > > > > Thanks. > > Did you try all the different SATA controllers? > Did you carefully go through all the BIOS settings? Only on SATA controller -- Promise 378 chip on the MB. I should also mention that although the Promise chip supports RAID, that feature is not in use. There is only one SATA drive. I did indeed go through the BIOS settings, which is a good point as along with the new MB there was a new version on the Phoenix Server BIOS. And there was an enable-SATA setting. With that disabled, GRUB is done discovered, as you would expect.