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Appendix E Terminology
TERM DESCRIPTION
AHCI Advanced Host Controller Interface
BIOS Basic Input/Output System
CAS Column Access Strobe
CPU Central Processing Unit, also known as Processor
DDR Double Data Rate. Transfer mode between memory and computer
DMA Direct Memory Access
DRAM Dynamic Random Access Memory
DVMT Dynamic Video Memory Technology
GMCH Graphic Memory Controller Hub
EFI/UEFI
The Unified Extensible Firmware Interface BIOS is a specification that defines a software
interface between an operating system and platform firmware. UEFI is a replacement for
the older BIOS firmware interface present in all IBM PC-compatible personal computers.
ICH Controller Hub, or Southbridge
MPS Multi-Processor System
UMA Unified Memory Architecture
PME Power Management Event
RAS Row Access Strobe
RAID Redundant Array of Inexpensive Drives
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