I believe that this should work as long as the differential peripherals are attached to the differential card. The trick would be to get both cards to work (i.e.. as long as you have enough resources, irq's etc.). By no means should you attach the differential scsi to the reg. scsi card because the grounding scheme is different and will fry your reg. scsi devices. I have never tried this though, and I would like to know if it works. Best of Luck. Darren Page Montreal, Canada [log in to unmask] > I recently just won a handful of differential SCSI drives and a QLogic > Differential Card. > > My question is, can I have both a regular AND a differential controller in > the same computer? (Hooking up, of course, the differential items to the > diff controller, etc.) > > [log in to unmask] Do you want to signoff PCBUILD or just change to Digest mode - visit our web site: http://nospin.com/pc/pcbuild.html