SIMATIC IPC477E
Operating Instructions, 11/2020, A5E37455003-AF
173
List of abbreviations
C
Abbreviation
Term
Meaning
AC
Alternating current
Alternating current
ACPI
Advanced Configuration and Power Inter-
face
PLC
Programmable controller
AGP
Accelerated Graphics Port
High speed bus system
AHCI
Advanced Host Controller Interface
Standardized controller interface for SATA devic-
es. This is supported in Microsoft Windows XP as
of SP1 and IAA driver.
APIC
Advanced Programmable Interrupt Control-
ler
Extended programmable interrupt controller
APM
Advanced Power Management
Tool for monitoring and reducing power con-
sumption of the PC
AS
Automation system
ASIS
After Sales Information System
AT
Advanced Technology
ATA
Advanced Technology Attachment
ATX
AT-Bus-Extended
AWG
American Wire Gauge
US standard for the cable diameter
BIOS
Basic Input Output System
Basic Input Output System
CAN
Controller Area Network
CD-ROM
Compact Disc – Read Only Memory
Removable storage medium for large data vol-
umes
CD-RW
Compact Disc – Rewritable
Rewritable CD
CE
Communauté Européenne (CE symbol)
The product is in conformance with all applicable
EC directives
CFast
CF + AST
The acronym CFast is the combination of CF
(CompactFlash) and AST (ATA Serial Transport).
CGA
Color Graphics Adapter
Standard monitor interface
CLK
Clock pulse
Clock signal for controllers
CMOS
Complementary Metal Oxide Semiconduc-
tors
Complementary metal oxide semiconductors
COA
Certificate of authentication
Microsoft Windows Product Key
CoL
Certificate of License
License authorization
COM
Communications Port
Term for the serial interface
CP
Communication Processor
Communication computer
CPU
Central Processing Unit
CPU
CRT
Cathode Ray Tube
