PCIE-Q57A PICMG 1.3 CPU CardPage 137AC ’97 Audio Codec 97 (AC’97) refers to a codec standard developed byIntel® in 1997.ACPI Advanced Configuration and Power Interface (ACPI) is an OS-directedconfiguration, power management, and thermal management interface.AHCI Advanced Host Controller Interface (AHCI) is a SATA Host controllerregister-level interface.ATA The Advanced Technology Attachment (ATA) interface connectsstorage devices including hard disks and CD-ROM drives to acomputer.APM The Advanced Power Management (APM) application programinterface (API) enables the inclusion of power management in theBIOS.ARMD An ATAPI Removable Media Device (ARMD) is any ATAPI device thatsupports removable media, besides CD and DVD drives.ASKIR Amplitude Shift Keyed Infrared (ASKIR) is a form of modulation thatrepresents a digital signal by varying the amplitude (“volume”) of thesignal. A low amplitude signal represents a binary 0, while a highamplitude signal represents a binary 1.BIOS The Basic Input/Output System (BIOS) is firmware that is first run whenthe computer is turned on and can be configured by the end userCODEC The Compressor-Decompressor (CODEC) encodes and decodesdigital audio data on the system.CMOS Complimentary metal-oxide-conductor is a type of integrated circuitused in chips like static RAM and microprocessors.COM COM is used to refer to serial ports. Serial ports offer serialcommunication to expansion devices. The serial port on a personal