Running ABIT IC7-G motherboard for about 6 years. Began having DVD/CDRom problems with plextor drive. Unable to see drive in windows MyComputer, drive not recognized by device manager, unable to add device. Replaced plextor with ASUS DVD/CDRom. Same problem. Connected both drives as Sata1 & 2. In BIOS, both plextor and ASUS are recognized (as as IDE device 3 and 4 masters). In windows...nothing. BIOS has been cleared w/Lithium battery remved. ON-CHIP IDE and On-CHIP PCI setting are configured coreectly to enable SATA1/2. Stumped...