Siemens PCIL43 manual Abbreviations, Abbreviation Term Definition

Abbreviations

C.1 Abbreviations

C

Abbreviation	Term	Definition
AC	Alternating current	Alternating current
ACPI	Advanced Configuration and Power	Configuration interface, allows the operating
	Interface	system control over the power supply to all
		devices connected to the PC.
AG	Automation device
AGP	Accelerated Graphics Port	High-speed bus system, used to interconnect
		computer peripherals with the motherboard.
APIC	Advanced Programmable Interrupt	Supports multiprocessing.
	Controller
APM	Advanced Power Management	Tool for monitoring and reducing power
		consumption of the PC.
AS	Automation System
AT	Advanced Technology	Advanced technology introduced by IBM in the
		year 1984. The AT computer, successor of the
		XT computer, is based on an Intel 80286
		processor. Now we refer to all PCs working
		operated a 16-bit or 32-bit processor as AT
		computer.
ATA	Advanced Technology Attachment	Hard disk standard for integrating the hard disk
		controller directly on the hard disk, which reduces
		the costs of hard disks and interfaces and makes
		it easier to implement the firmware. -> IDE
ATX	AT-Bus-Extended
AWG	American Wire Gauge	US standard for the cable diameter
BIOS	Basic Input Output System	Basic Input Output System A set of vital software
		routines used to perform a hardware test after the
		startup of a computer, to load the operating
		system and to provide routines for the data
		transfer between hardware components.
CAN	Controller Area Network
CD-ROM	Compact Disc – Read Only Memory	Removable storage medium for large data
		volumes
CD-RW	Compact Disc – Rewritable	Rewritable CD
CE	Communauté Européenne	CE label
CF	Compact Flash card
SIMATIC Rack PC IL 43		C-1
Operating Instructions, Edition 09/2005, A5E00432875-01