IBM i 830 Repair Manual page 996

Glossary
sign-on. The procedure by which the user starts
working at a workstation.
SIMM. Single in-line memory module.
single bus connection. Only one bus is connected to
the optical link card. One connector is not used.
SPCN. System Power Control Network.
SPD bus. An AS/400 input/output bus architecture.
SRC. System reference code. A group of characters
that identifies the machine status or a specific error
condition. The system reference code can be displayed
on the console from the problem log.
system ASP. The auxiliary storage pool where system
programs and data reside. It is the storage pool used if
a storage pool is not defined by the user. See also
auxiliary storage pool and user ASP.
system reference code. A group of characters that
identifies the machine status or a specific error
condition. The system reference code can be displayed
on the console from the problem log.
tower. A frame-like structure that, since the
introduction of the 3xx/4xx models, has been used to
repackage devices formerly housed in racks. Towers
provide the equivalent function of racks and have since
replaced racks.
A tower can be used for either the system unit or for
system expansion. The system unit always contains the
processor(s). Towers are standalone and usually have
black covers. Like racks, towers can vary in height.
UEPO. Unit emergency power-off.
upgrade. To change the system configuration to a later
level.
URC. Unit reference code. Last 4 characters of SRC.
user ASP. One or more auxiliary storage pools used to
isolate journals, journal receivers, and save files from
the other system objects stored in the system ASP. See
also auxiliary storage pool and system ASP.
vital product data. A structured description of a
device or program. For devices, it is recorded in the
device at manufacture and includes at least the type,
model, serial number, and installed features. It may
include the manufacturer's ID and other fields. For
programs, it is compiled as a data area accompanying
the program and includes the name of the licensed
program or Licensed Internal Code group, the release
and modification, the program module names, the
national language or languages selected, and possibly
other fields. Vital product data is transferred from the
device to the system and is retained for display. Vital
product data is also visible on the device name plate or
a similar tag.
982
iSeries Model 830, 840, SB2, and SB3 Problem Analysis, Repair and Parts V5R1
VLIC. Vertical Licensed Internal Code.
VPD. See vital product data.
workstation I/O processor. An I/O processor card in
the card enclosure that provides the direct connection
of local workstations to the system.
WSIOP. Workstation I/O processor. An I/O processor
card in the card enclosure that provides the direct
connection of local workstations to the system.
X.25. In data communications, a specification of the
CCITT that defines the interface to an X.25
(packet-switching) network.