Abit AB9 Pro too many HDD?

Mistar Muffin

Junior Member
Mar 8, 2008
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I have a RAID array of 8x500gb SATA drives. I just today got the ABIT9 Pro in the mail from Newegg because of its onboard 9 SATA ports. Here's my trouble. With all 9 HD's hooked up, I cannot boot to the single PATA drive I have with Win2003 Server. I've done everything. Bios is up to date, cleared CMOS, etc. I've narrowed the problem to this:

Even though all 9 drives are detected just fine, when I go to Hard Disk Boot Priority in the bios, it seems to show a maximum of 8 entries. The 8th one is "Bootable add in cards". Therefore, only 7 entries are available to HD's. Because I have 9 drives, I am of course missing two from from this list, one of which is my PATA w/ Win2003. Annoying. Is this just a limitation of the Phoenix Award Bios? Or is this unique to the Abit AB9 Pro? Or did I just get a bad one? I can only boot to windows when I disconnect 2 drives at random, so that the PATA drive shows up in the boot disk priority selection. Ideas? Solutions? Help!