> I asked a friend to lend us his card, which is the card2 listed below > and not things are becoming really weird > card1, Silicon Image, Inc. Adaptec AAR-1210SA > card2, Silicon Image, Inc. SiI 3124 PCI-X Serial ATA card1 is not PCI-X, the chip is PCI. So it's not problematic. card2 is PCI-X, the chip is PCI-X on which machine have you tested card2? C36xx? C37xx? C8000? and with which test(1)? how long, and with which result? (1) ours are published on the website