Operating instructions
SIMATIC Rack PC IL 43
Operating Instructions, Edition 09/2005, A5E00432875-01
C-1
C Abbreviations
C
C.1 C.1 Abbreviations
Abbreviation Term Definition
AC Alternating current Alternating current
ACPI Advanced Configuration and Power
Interface
Configuration interface, allows the operating
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
Controller
Supports multiprocessing.
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