Digital Equipment DECpc AXP 150 User Information page 108

environment variable
Global data structures that can be accessed from console mode.
The setting of these data structures determines how a system
powers up, boots operating system software, and operates.
Ethernet
A local area network that was originally developed by Xerox®
Corporation and has become the IEEE 802.3 standard LAN.
Ethernet LANs use bus topology and are based on Carrier Sense
Multiple Access with Collision Detection (CSMA/CD).
Ethernet ports
The connectors through which the Ethernet is connected to the
system.
factory installed software (FIS)
See FIS.
fast SCSI
An optional mode of SCSI-2 that allows transmission rates of up
to 10M bytes/second. See also SCSI.
FEPROM
Flash-erasable programmable read-only memory. FEPROMs can
be bank- or bulk-erased. Contrast with EEPROM.
FIS
Operating system software that is loaded into a system disk
during manufacture. On site, the FIS is bootstrapped in the
system, prompting a predefined menu of questions on the final
configuration.
firmware
Software that interacts directly with the hardware devices. It is
usually located in ROM memory. It serves as an intermediary or
transition between the hardware and the higher-level software.
halt
The action of transferring control to the console program.
Glossary–6