IBM iSeries 800 User Manual

BAT basic assurance test. An automatic testing of a machine when the power is switched on.
battery power unit
A source of electrical power that can be used when the normal utility power fails.
BBBBCcbb
Addressing scheme for the bus (BBBB), card (Cc), and board (bb).
bring up
The process of starting a computer system or a subsystem that is to operate under the control of
the system.
BSC Bisynchronous.
card enclosure
The area in the system unit that contains the logic cards.
CCM Concurrent maintenance. The process of removing or replacing hardware while the system is in
use.
CD Compact disk; an optical storage medium.
CFIOP
Combined Function Input Output Processor.
concurrent maintenance
The process of removing or replacing hardware while the system is in use.
configure
To describe to a system the devices, optional features, and programs installed on the system.
cryptography
A method of transforming customer data to conceal its meaning. Cryptographic services include
data encryption and message authentication.
DASD Direct access storage device. Also referred to as disk unit.
dc Direct current.
debug To check, diagnose, and remove errors in programs.
dedicated service tools
The part of the service function used to service the system when the operating system is not
working.
device parity protection
A function that protects data stored on a disk unit subsystem from being lost because of the failure
of a single disk unit in the disk unit subsystem. When a disk unit subsystem has device parity
protection and one of the disk units in the subsystem fails, the system continues to run. The disk
unit subsystem reconstructs the data after the disk unit in the subsystem is repaired or exchanged.
DFCI Disk file control interface.
DIMM Dual in-line memory module.
disk enclosure
The part of a disk unit that contains the read and write heads, the magnetic disks, and the
actuators.
download
To transfer data from a processing unit to an attached device, such as a microcomputer, for
processing.
DST Dedicated service tools. The part of the service function used to service the system when the
operating system is not working.
EMC Electromagnetic compatibility.
Analyze hardware problems 595

IBM iSeries 800 Specifications

General

Brand	IBM
Model	iSeries 800
Category	Server
Language	English