Basics of AHCI and RAID Technology

Definitions

Table 2: Basic AHCI and RAID Definitions

Acronym or term

Description

 

 

AHCI

Advanced Host Controller Interface, a specification for hardware and software, is a register interface for

 

SATA, intended to add higher speed, NCQ and other features.

 

 

ATA

Advanced Technology Attachment.

 

 

BIOS

Basic Input/Output System, also known as system ROM.

 

 

Chipset

Term used to define a collection of integrated components required to make a PC function.

 

 

HDD

Hard disk drive

 

 

ICH

The Input/Output Controller Hub. This component includes the mass storage controller. ICH is part of the

Intel Q45 Chipset

 

 

 

IDE

Integrated Drive Electronics

 

 

 

Information file (.inf) used by Microsoft® operating systems that support the Plug & Play feature. When

INF

installing a driver, this file provides the operating system needed, information about driver filenames,

 

driver components, and supported hardware.

 

 

Migration

Term used to describe the movement of data from one configuration or usage model to another.

 

 

NCQ

Native Command Queuing.

 

 

OS

Operating system

 

 

 

Piece or software module inside the System BIOS which provides extended support for a particular piece

Option ROM

of hardware. The RAID Option ROM provides boot support for RAID volumes as well as a user interface

 

for managing and configuring the system's RAID volumes.

 

 

PCH

Platform Controller Hub. This component includes the mass storage controller. PCH is part of the Intel

Q57/Q67/Q77 chipset

 

 

 

PCI

Peripheral Components Interface.

 

 

PCIe

PCI express. A serial version of PCI.

 

 

PnP

Plug and Play

 

 

RAID

Redundant Array of Independent Disks.

 

 

ROM

Read Only Memory.

 

 

SATA

Serial ATA

 

 

Strip

Set of data on a single hard drive in a RAID 0 volume.

 

 

Stripe

Group of all strips going horizontally across all the hard drive members of a RAID volume.

 

 

UEFI

Unified Extensible Firmware Interface. Specification defining firmware (BIOS and/or option ROM) that

initializes hardware subsystems before the OS boot process.

 

 

 

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HP 8200 tower manual Basics of Ahci and RAID Technology, Definitions

8200 tower specifications

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