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Device configuration
The configuration of a PC or programming device contains information on hardware and
device options, such as memory configuration, drive types, monitor, network address, etc.
The data are stored in a configuration file and enable the operating system to load the
correct device drivers and configure the correct device parameters. . If changes are made to
the hardware configuration, the user can change entries in the configuration file using the
SETUP program. .
Disc-at-once
With this burning technique, data are written to a CD in a single session, and the CD is then
closed. Further write access is then no longer possible.
Drivers
Program parts of the operating system. They adapt user program data to the specific formats
required by I/O devices such as hard disk, printers, and monitors.
EMC directive
Directive concerning Electromagnetic Compatibility. Compliance is confirmed by the CE
symbol and the EC certificate of conformity.
Energy management
The energy management functions of a modern PC allow individual control over the current
consumption of vital computer components (e.g. of the monitor, hard disk and CPU), by
restricting their activity based on the current system or component load. Energy
management is of particular importance for mobile PCs.
Energy options
The energy options can be used to reduce energy consumption of the computer, while
keeping it ready for immediate use. This can be configured in Windows by selecting Settings
> Control Panel > Energy options.
ESD guidelines
Directive for using electrostatic sensitive components.
Ethernet
Local network (bus structure) for text and data communication with a transfer rate of 10/100
Mbps.
Formatting
Basic partitioning of memory space on a magnetic data carrier into tracks and segments.
Formatting deletes all data on a data carrier. All data carriers must be formatted prior to their
first use.
SIMATIC Panel PC 877
Operating instructions, Release 07/2006, A5E00877780-01
Glossary
Glossary-3
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