disk controller

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disk controller

(hardware, storage)
(Or "hard disk controller", HDC) The circuit which allows the CPU to communicate with a hard disk, floppy disk or other kind of disk drive.

The most common disk controllers in use are IDE and SCSI controllers. Most home personal computers use IDE controllers. High end PCs, workstations and network file servers mostly have SCSI adaptors.

disk controller

The circuits that control data transfer to and from the disk drive (floppy disk, hard disk, optical disc). In a PC, an IDE disk controller is typically built into the motherboard, and a cable plugs into the controller socket on one end and connects to the drive on the other. On earlier PCs, the disk controller was a separate card plugged into a PCI or ISA slot. However, when SCSI drives are used, a SCSI disk controller (SCSI host adapter) is typically not built in, but available on a separate card. See hard disk, IDE and SCSI.
References in periodicals archive ?
The read-channel and hard disk controller solutions are manufactured in 0.
The 88i6535 SOC incorporates, on a single chip, Fujitsu's hard disk controller (HDC) with Marvell's 88C6591 low-power read channel core, highly advanced ECC technology, second generation Serial ATA PHY, and an ARM966E-S microprocessor core from ARM.
Inside the new system-on-chip, ST designers are combining the Super10 core, a hard disk controller, 4Mbit of embedded dynamic RAM memory and interface functions.
The first product offering in Marvell's SOC platform combines the Company's high-performance hard disk controller with its production-proven, highly advanced 88C4200 read channel physical layer core.
Marvell's SoC platform integrates the read channel, hard disk controller, microprocessor, and system memory functions on to a single piece of silicon, and is targeted at next-generation, high data rate storage devices utilizing single-chip electronics.
This proprietary circuitry contains an optional dual sync mark capability that requires no change to the hard disk controller.
Advanced features will include support for newest Ultra 66 IDE Hard disk controller, AGP Video Card Slot, 1-Audio Modem Riser Slot (AMR), 5 PCI & 1 ISA expansion slots and integrated AC-97 Sound.