DEC 4000 600 series, Руководство пользователя, Страница: 222 / 242

fast SCSI
An optional mode of SCSI-2 that allows transmission rates of up
to 10 MB/s. See also SCSI.
FDDI
Fiber Distributed Data Interface. A high-speed networking
technology that uses fiber optics as the transmissions medium.
FEPROM
Flash-erasable programmable read-only memory. FEPROMs can
be bank- or bulk-erased. Contrast with EEPROM.
FIS
See Factory Installed Software.
firmware
Software code stored in hardware.
fixed-media compartments
Compartments that house nonremovable storage media.
front end unit (FEU)
One of four modules in the DEC 4000 AXP system power supply.
The FEU converts alternating current from a wall plug to 48 V
DC that the rest of the power subsystem can use and convert.
full-height device
Standard form factor for 5 1/4-inch storage devices.
Fu
A computer bus architecture that provides performance scalable
over both time and cost. It is the IEEE 896 open standard.
Fu Profile B
A profile is a specification that calls out a subset of functions
from a larger specification. Profile B satisfies the requirements
for an I/O bus. See also Fu.
half-height device
Standard form factor for storage devices that are not the height
of full-height devices.
Glossary–6