Sun Microsystems Blade 1500 Service, Diagnostics, And Troubleshooting Manual page 484

mondo
MUX
N
node
NVRAM
O
OpenBoot PROM
OpenGL
P
PCI
peripheral
PHY
PID
POR
POST
Glossary-6 Sun Blade 1500 Service, Diagnostics, and Troubleshooting Manual • December 2004
Mondo dispatch unit. An interrupt construction on the JBus.
Multiplex, multiplexer. A multiplexer merges information from multiple
signals to a single channel.
An addressable point on a network.
Nonvolatile random access memory. Stores system variables used by the boot
PROM. Contains the system host ID number and Ethernet address. NVRAM
retains the data when the workstation is powered off.
OpenBoot PROM contains the PROM monitor program, a command interpreter
used for booting, resetting, low-level configuration, and simple test
procedures. OpenBoot software initially boots the system to a state in which
the system can further load an operating system.
OpenGL is an application programming interface (API) for developing
portable, interactive 2D and 3D graphics applications.
Peripheral component interconnect. A high-performance 32- or 64-bit-wide bus
with multiplexed address and data lines.
Removable media assembly. A device such as a smart card reader, CD-ROM
drive, DVD-ROM drive, 4-mm tape drive, or a diskette drive.
Physical access layer. Part of the digital-to-analog connection between the
MAC and the physical Ethernet wire.
Process ID.
Power-on reset.
Power-on self-test. A series of tests that verify motherboard components are
operating properly. Now initiated with the post command.