IEI Integration PCIE-Q670 v1.03 - Manual (Page 190)

PCIE-Q670 PICMG 1.3 CPU Card
Page 175
AC ’97 Audio Codec 97 (AC’97) refers to a codec standard developed by Intel®
in 1997.
ACPI Advanced Configuration and Power Interface (ACPI) is an OS-directed
configuration, power management, and thermal management interface.
AHCI Advanced Host Controller Interface (AHCI) is a SATA Host controller
register-level interface.
ATA The Advanced Technology Attachment (ATA) interface connects storage
devices including hard disks and CD-ROM drives to a computer.
ARMD An ATAPI Removable Media Device (ARMD) is any ATAPI device that
supports removable media, besides CD and DVD drives.
ASKIR Amplitude Shift Keyed Infrared (ASKIR) is a form of modulation that
represents a digital signal by varying the amplitude (“volume”) of the
signal. A low amplitude signal represents a binary 0, while a high
amplitude signal represents a binary 1.
BIOS The Basic Input/Output System (BIOS) is firmware that is first run when
the computer is turned on and can be configured by the end user
CODEC The Compressor-Decompressor (CODEC) encodes and decodes digital
audio data on the system.
CMOS Complimentary metal-oxide-conductor is an integrated circuit used in
chips like static RAM and microprocessors.
COM COM refers to serial ports. Serial ports offer serial communication to
expansion devices. The serial port on a personal computer is usually a
male DB-9 connector.
DAC The Digital-to-Analog Converter (DAC) converts digital signals to analog
signals.
DDR Double Data Rate refers to a data bus transferring data on both the rising
and falling edges of the clock signal.
DMA Direct Memory Access (DMA) enables some peripheral devices to
bypass the system processor and communicate directly with the system
memory.