AHCI and RAID on HP Compaq Elite 8000, 8100, and 8200 Business PCs

4
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 registered 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
INF
Information file (.inf) used by Microsoft
® operating systems that
support the Plug & Play feature. When 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.
Option ROM
Piece or software module inside the System BIOS which provides
extended support for a particular piece 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 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.