Disk controller

Updated: 04/26/2017 by Computer Hope

Printed circuitry that contains the necessary instructions for disk drives. The disk controller is responsible for such drives as the hard drive, floppy disk drive, CD-ROM drive, and any other drive. Today, most disk controllers are found on the motherboard and are either IDE or the newer SATA. More specialized controllers such as a SCSI use an interface expansion card.

Hard drive, Hard drive terms