Doctor Who wrote: > Ah, OK. Sadly, it does appear that changing the BIOS setting for the > drives to AHCI from IDE will keep the other OS's from booting (since > they were initially installed with different drivers and now are no > longer detected :-( ) > > I'm also curious if I'm getting the most out of the drives by having > it at IDE vs. AHCI...perhaps reinstalling the OS's again would be > worth it from a performance standpoint? You may be interested to note that on the Fedora Development list, Mogens Kjaer wrote: > With the "acpi=off hda=noprobe hdc=noprobe" boot options, > used both during install (x86_64) and during normal boots. and > I forgot: SATA emulation is set to IDE in the BIOS. > > Because of the hdx=noprobe options, the correct driver > is loaded so the harddisk shows up as sda, and it > runs with DMA. I saw this and thought of you... You shouldn't need the acpi=off option, but the hda=noprobe and hdc=noprobe ought to get you going, if you don't want to switch to AHCI. Hope this helps, James. -- E-mail: james@ | Dalek invasion at work today. I plugged them into the aprilcottage.co.uk | net: they behave better than some Windows boxes. They | make great spam filters: "Enlarge your..." "EX - TER - | MI - NATE!" All in a day's work for a sysadmin...