Siemens SIMATIC IPC627C Instructions d'exploitation télécharger pdf (Page 195)

SIMATIC IPC627C

Operating Instructions, 11/2010, A5E02669068-02

195

Glossary

AHCI mode

AHCI is a standardized method to address the SATA controller. AHCI describes a structure

in the RAM, which contains a general area for control and status, as well as a command list.

APIC mode

Advanced peripheral interrupt controller. 24 interrupt lines are available.

ATAPI CD-ROM Drive

AT Bus Attachment Packet Interface (connected to AT bus) CD-ROM drive

Automation system (AS)

A programmable controller (PLC) of the SIMATIC S7 system consist of a central controller,

one or several CPUs, and various I/O modules.

Backup

Duplicate of a program, data medium or database, used either for archiving purposes or for

the protection of vital and non-replaceable data against loss when the working copy is

corrupted. Certain applications automatically generate backup copies of data files, and

manage both the current and the previous versions on the hard disk.

Baud

Physical unit for the step speed in signal transmission. Defines the number of transferred

signal states per second. With only two states, one baud is equivalent to a transmission rate

of 1 bps.

Boot disk

A boot disk is a disk with a "Boot" sector. This can be used to load the operating system from

the disk.

Cache

High-speed access buffer for interim storage (buffering) of requested data.

CE marking

Communauté Européene The CE mark confirms compliance of the product with

corresponding EC Directives, for example, with the EMC Directive.

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Siemens SIMATIC IPC627C Instructions d'exploitation Page 195