Digital Equipment AlphaServer 2000, Owner'S Manual

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ISA
Industry Standard Architecture. An 8-bit or 16-bit industry-
standard I/O bus, widely used in personal computer products.
The EISA bus is a superset of the ISA bus.
LAN
Local area network. A high-speed network that supports
computers that are connected over limited distances.
latency
The amount of time it takes the system to respond to an event.
LED
Light-emitting diode. A semiconductor device that glows when
supplied with voltage. A LED is used as an indicator light.
loopback test
Internal and external tests that are used to isolate a failure by
testing segments of a particular control or data path. A subset of
ROM-based diagnostics.
machine check/interrupts
An operating system action triggered by certain system
hardware-detected errors that can be fatal to system operation.
Once triggered, machine check handler software analyzes the
error.
mass storage device
An input/output device on which data is stored. Typical mass
storage devices include disks, magnetic tapes, and CD–ROM.
MAU
Medium attachment unit. On an Ethernet LAN, a device
that converts the encoded data signals from various cabling
media (for example, fiber optic, coaxial, or ThinWire) to permit
connection to a networking station.
Glossary–10