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 ?
Marvell's second SOC product incorporates a customer's hard disk controller, Marvell's advanced ECC, embedded memory, and the Company's 88C4300 read channel physical layer core.
The SOC has onboard memory for each of its processors and incorporates Marvell's state-of-the-art hard disk controller and the 88C5200 read channel physical layer core.
In addition, Agere is developing a hard disk controller that, when combined with other technologies in Agere's portfolio, provides complete electronics solutions to HDD manufacturers as well as the flexibility to repartition components used in portable consumer devices to enable new low- power storage applications.
The 3Ci system-on-chip provides all the key HDD functions, including the PRML read channel for reliable data acquisition at 550 Mbps; an ARM 32-bit processor core to handle both system and servo control functions and a Ultra ATA 66 or 1394 compatible hard disk controller that links the device to either the PC or consumer devices.
Tekram's P5M3-A+ was designed to give users the freedom to design a PC system with any AGP video display adapter card along with the latest Ultra 66 IDE hard disk controller.
Design engineers demonstrated a SAS link sequence that negotiated a 3Gbit/s connection between two fully integrated Hitachi GST hard disk controllers.
The LSI family of ICs for hard disk drives includes read channels, preamplifiers, motor controllers, hard disk controllers and firmware, as well as highly integrated, high-performance storage systems-on-a-chip (SoCs).
By offering complete SoC solutions with integrated read channels, hard disk controllers, serial interfaces, processors, and memory, LSI enables its customers to address all segments of the hard disk drive market, from mission-critical enterprise applications, high-capacity desktop PCs and low-power laptops, and a variety of consumer electronics devices.
The MachZ integrates an unequaled set of traditional PC hardware features including PCI, ISA and Access (I2C) buses, serial and parallel I/O, floppy and hard disk controllers.
MachZ integrates a PhoenixBIOS and customized Linux implementation or VxWorks RTOS tailored to the MachZ's unequaled set of traditional PC hardware features including PCI, ISA and Access (I2C) buses, serial and parallel I/O, floppy and hard disk controllers.
MachZ integrates a PhoenixBIOS and customized Linux implementation tailored to the MachZ's unequaled set of traditional PC hardware features including PCI, ISA and Access (I2C) buses, serial and parallel I/O, floppy and hard disk controllers.
The MachZ PCe integrates an unequaled set of traditional PC hardware features including PCI, ISA and Access (I2C) buses, serial and parallel I/O, floppy and hard disk controllers.