No, just make sure the drive's jumper is set to MASTER since the CDROM is set to SLAVE. Bill On Saturday, January 18, 2003, at 02:17 AM, Tom Hostler wrote: > I¹m going to upgrade my standard 20Gb ATA/66 drive to a larger model > possibly the Barracuda 7200rpm 80Gb. I notice this is an ATA/100 > interface > will it connect fine but run at the slower speed? Or do I need new > cables? > Or anything else