IEI Technology IMBA-9454ISA, User Manual

Page: 236 / 281

IMBA-9454ISA ATX Motherboard
Page 216
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.
APM The Advanced Power Management (APM) application program
interface (API) enables the inclusion of power management in the
BIOS.
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.