The BIOS itself doesn't say anything about Legacy (P)ATA mode. It does, though, have an IDE mode in addition to AHCI and RAID. I've tried the IDE, and the POST shows the hard drives as IDE controller 3/4 but install/Anaconda doesn't pick them up. -----Original Message----- From: centos-bounces at centos.org [mailto:centos-bounces at centos.org]On Behalf Of William Warren Sent: Wednesday, January 17, 2007 11:54 AM To: CentOS mailing list Subject: Re: [CentOS] Centos 4.4 install on ASUS A8V-VM does not findSATAdrives The first point is the bios will emulate PATA mode and let the SATA drives stay connected to the SATA ports. See if that is on option on your motherboard. Don Levey wrote: > That may be the way to go. I'm working on getting a DVD for FC6 x86_64 so > we'll see how that goes. In the meantime, this link: > http://linuxmafia.com/faq/Hardware/sata.html > has *some* (but not a lot) of info on the VIA8251 in particular; there is a > wealth of info on SATA on Linux in general. In short, it presents three > possible workarounds: > > 1. Switch the motherboard BIOS back to "legacy ATA mode" (parallel ATA = > PATA). Complete a Linux installation. Fetch or build a kernel with support > for your chipset. Switch the BIOS setting back. (Potential catch: It's > claimed that Dell Optiplex GX270 and Dell Precision Workstation 360 desktop > units, using Intel ICH5 SATA-I chipsets, don't support switching to legacy > ATA mode. This might be true of some others.) >