G-2
Setting Up the System
G
GUI:
Graphical User Interface.
H
high availability:
A particular configuration which
shares resources between two CPU drawers, so
that if one CPU drawer fails, the other one takes the
control without interrupting any activity.
hot swapping:
The operation of removing a faulty
hard disk drive and replacing it with a good one
without interrupting the system activity.
I
I2C:
Inter Integrated Circuit.
ID:
A number which uniquely identifies a device on
a bus.
IEC:
International Electrotechnical Commission.
I/O:
Input/Output.
ISA:
Industry Standard Architecture (Bus).
J
JBOD:
Just a Bunch Of Disks.
K
KBB:
It is a card that provides three RS-232 lines
and one parallel line. It is also connected to the
KSB card by means of a dedicated flat cable.
KBR:
A card dedicated to the connection of a PCI
expansion drawer.
KDD:
A card installed in the PCI expansion drawer
and interconnecting all the expansion drawer
resources. It manages also the input and output
RS-485 connection between the CPU drawer and
the PCI expansion drawer.
KDK Complex:
It is composed by the KDK card
and two flat cables connected to it. Its main
functionality is to define the hard disk drive
SCSI-ID.
Key Mode Switch:
Key controlled switch which
controls system operation mode.
KHS:
An optional card to be installed in presence
of a RAID configuration. It interfaces the RAID
controller card.
KP2:
The back plane of a disk cage that connects
two hard disk drives with 1.6 inch form factor.
KP3:
The back plane of a disk cage that connects
three hard disk drives with 1 inch form factor.
KPE:
The planar hosting the PCI controllers in the
PCI expansion drawer. Up to two KPE planars can
be installed in each PCI expansion drawer.
KPL:
See System Planar.
KPS:
See Power Supply.
KSB:
It is a card housing the BUMP logic. Also, it
holds two dedicated connectors which interconnect
the KSB card to the KBB card and to the KHS card,
if this is installed.
KXB:
A card installed in the PCI expansion drawer,
dedicated to the connection to the CPU drawer.
L
LAN:
Local Area Network.
LED:
Light-Emitting Diode.
M
media and disk device areas:
Areas which house
the media drives and the hard disk drives.
memory bank:
The minimum quantity of memory
used by the system. It physically consists of four
memory DIMM’s. See also DIMM and riser.
MFG:
Manufacturing.
MP:
MultiProcessor.
multimedia:
Information presented through more
than one type of media. On computer systems, this
media includes sound, graphics, animation and
text.
multitasking:
The ability to perform several tasks
simultaneously. Multitasking allows you to run
multiple applications at the same time and
exchange information among them.
N
NVRAM:
Non Volatile Random Access Memory.
O
OF:
See Open Firmware.
OP:
See Operator Panel.
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