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Term
Basic Module
BIOS
BMC
CAN
Carrier Board
Compact Module
DIMM
DRAM
EAPI
EEPROM
eSPI
Extended Module
FR4
Gb
GBE
GPI
GPIO
GPO
I2C
LAN
Legacy Device
Description
COM Express 125mm x 95mm Module form factor.
Basic Input Output System – firmware in PC-AT system that is used to
initialize system components before
handing control over to the operating system.
Baseboard Management Controller
Controller-area network (CAN or CAN-bus) is a vehicle bus standard
designed to allow microcontrollers to
communicate with each other within a vehicle without a host computer.
An application specific circuit board that accepts a COM Express Module.
COM Express 95x95 Module form factor
Dual In-line Memory Module
Dynamic Random Access Memory
Embedded Application Programming Interface
Software interface for COM Express specific industrial functions
• System information
• Watchdog timer
• I2C Bus
• Flat Panel brightness control
• User storage area
• GPIO
Electrically Erasable Programmable Read-Only Memory
Enhanced Serial Peripheral Interface
COM Express 155mm x 110mm Module form factor.
A type of fiber-glass laminate commonly used for printed circuit boards.
Gigabit
Gigabit Ethernet
General Purpose Input
General Purpose Input Output
General Purpose Output
Inter Integrated Circuit – 2 wire (clock and data) signaling scheme allowing
communication between integrated circuits, primarily used to read and load
register values.
Local Area Network
Relics from the PC-AT computer that are not in use in contemporary PC
systems: primarily the ISA bus, UART-based serial ports, parallel printer
ports, PS-2 keyboards, and mice. Definitions vary as to what constitutes a
legacy device. Some definitions include IDE as a legacy device.
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