On Thu, 18 Oct 2007 17:25:15 -0400 Greg wrote: GF> We've tried them on 4 of our lab machines. 2 work just fine. 2 fail GF> to even get to the grub menu. GF> GF> All 4 machines have similar SIIG PCI IDE controller cards. What about motherboard/bios? Are all 4 the same?