SIMATIC IPC647E
Operating Instructions, 11/2018, A5E45589180-AA
195
List of abbreviations
D
D.1
Abbreviations
Abbreviation Term
Meaning
AC
Alternating current
Alternating current
AHCI
Advanced Host Controller Interface
Standardized controller interface for SATA devices. This is
supported in Microsoft Windows XP as of SP1 and IAA driv-
er.
APIC
Advanced Programmable Interrupt Control-
ler
Extended programmable interrupt controller
AWG
American Wire Gauge
US standard for the cable diameter
CE
Communauté Européenne (CE symbol)
The product is in conformance with all applicable EC direc-
tives
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
COM
Communications Port
Term for the serial interface
CP
Communication Processor
Communication computer
CPU
Central Processing Unit
CPU
CSA
Canadian Standards Association
Canadian organization for tests and certifications according
to own or binational standards (with UL / USA) standards
DC
Direct Current
DC current
DRAM
Dynamic Random Access Memory
DMA
Direct Memory Access
Direct memory access
DOS
Disk Operating System
Operating system without GUI
DPP
DisplayPort
New powerful digital monitor port
DQS
Deutsche Gesellschaft zur Zertifizierung von
Qualitätsmanagement mBH
DVI / DVI-D Digital Visual Interface
Digital display interface without VGA signals
DVI-I
Digital Visual Interface
Digital display interface with digital and VGA signals
ECP
Extended capability port
Extended parallel port
EFI
Extensible Firmware Interface
ESD
Components sensitive to electrostatic
charge
EN
European standard
HDD
Hard Disk Drive
Hard disk drive
HU
Height unit
I/O
Input/Output
Data input/output on computers
iAMT
Intel® Active Management Technology
IEC
International Electrotechnical Commission