Advantech SOM-6832 User Manual page 13

Acronyms
Term Define
AC'97 Audio CODEC (Coder-Decoder)
Advanced Configuration Power Interface – standard to implement power saving
ACPI
modes in PC-AT systems
Basic Input Output System – firmware in PC-AT system that is used to initialize
BIOS
system components before handing control over to the operating system
Controller-area network (CAN or CAN-bus) is a vehicle bus standard designed to
CAN allow micro-controllers to communicate with each other within a vehicle without a
host computer
DDI Digital Display Interface – containing DisplayPort, HDMI/DVI, and SDVO
Embedded Application Programmable Interface
Software interface for COM Express® specific industrial function
– System information
– Watchdog timer
EAPI
– I2C Bus
– Flat-panel brightness control
– User storage area
– GPIO
GbE Gigabit Ethernet
GPIO General purpose input output
Intel High Definition Audio (HD Audio) refers to the specification released by Intel
HDA in 2004 for delivering high definition audio that is capable of playing back more
channels at higher quality than AC'97
Inter Integrated Circuit – 2 wire (clock and data) signaling scheme allowing com-
I2C munication between integrated circuit, primarily used to read and load register
values
ME Management Engine
"Personal Computer – Advanced Technology" – an IBM trademark term used to
PC-AT
refer to Intel based personal computer in 1990s
PEG PCI Express Graphics
Real Time Clock – battery backed circuit in PC-AT systems that keeps system
RTC
time and date as well as certain system setup parameters
Serial Presence Detect – refers to serial EEPROM on DRAMs that has DRAM
SPD
Module configuration information
Trusted Platform Module, chip to enhance the security features of a computer
TPM
system
UEFI Unified Extensible Firmware Interface
WDT Watchdog Timer
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