Compaq AlphaServer 160 User Manual page 177

Local testing
Memory directory
module
OCP
Partition
PBM
PCI backplane
manager
PCI boxes
System primary
PCI box
Master PCI box
Secondary PCI
box
Expansion PCI
box
Testing confined to the QBB on which the CPU doing the
testing resides.
See Directory module.
Operator control panel; used by the operator to control
the system. It has a keyswitch, display screen, indica-
tors, and buttons. The keyswitch is used to power the
system up or down or to secure it from remote access.
The screen displays messages during booting. Indicators
show system state. The buttons reset or halt the system.
A subset of a system's CPUs, memory, and I/O subsys-
tem with a standard I/O module that runs its own copy
(instance) of an operating system. See also Hard parti-
tion, Soft partition.
PCI backplane manager; monitors and manages the en-
vironment and components in the PCI box in which it
resides. The SCM can make requests of the PCI back-
plane manager.
See PBM.
Enclosures that provide 14 PCI slots (four PCI buses,
two four-slot buses and two three-slot buses).
A PCI box that contains a standard I/O module, whose
system control manager (SCM) controls the entire sys-
tem. The system primary PCI box may also be a master
PCI box.
A PCI box that contains a standard I/O module, whose
SRM is the console for the system or partition to which it
is connected.
A PCI box that contains a standard I/O module and
which serves as a backup to the primary PCI box for the
system or the master PCI box for a partition.
A PCI box that provides 14 PCI slots but contains no
standard I/O module.
Glossary-3