What is a Hard Disk Controller (HDC)

What is a Hard Disk Controller (HDC)

HDC  may refer to any of the following: 1.  Abbreviated as  HDC , the  hard disk controller  is a circuit that enables a computer to rea... 10:41

HDC may refer to any of the following:

1. Abbreviated as HDC, the hard disk controller is a circuit that enables a computer to read and write information to a hard drive. The HDC also acts as a bus, connecting the hard disk to the rest of the computer's components. Today, hard drives have the controller built on to them, usually a circuit board that covers the bottom or on the back portion of the drive.

As can be seen in the above picture of the laptop hard drive the bottom of the drive has a circuit board, which contains the hard disk controller.

• Computer hard drive help and support.

2. The term hdc is also the device name for the master ATA device on the second channel.