User's Manual

Glossary 339
MC
Mezzanine card
Microsoft Active Directory
A centralized, standardized system that automates network management of user
data, security, and distributed resources, and enables interoperation with other
directories. Active Directory is designed especially for distributed networking
environments.
NIC
Network interface card, an adapter circuit board installed in a computer to provide
a physical connection to a network.
OID
Object identifier
OSCAR
On Screen Configuration and Reporting, a graphical user interface used for
iKVM access.
PCI
Peripheral component interconnect, a standard interface and bus technology for
connecting peripherals to a system and for communicating with those peripherals.
POST
Power-on self-test, a sequence of diagnostic tests that are run automatically by a
system when it is powered on.
RAC
Remote access controller
RAM
Random-access memory. RAM is general-purpose readable and writable memory
on systems.
RAM disk
A memory-resident program which emulates a hard drive.
ROM
Read-only memory, from which data may be read, but to which data cannot be
written.