Glossary
Quantum LTO-9 HH SAS User’s Guide 103
to change than pure hardware circuitry. An example of firmware
is the Basic Input/Output System (BIOS) in read-only memory
(ROM) on a PC motherboard.
FLASH EEPROM An electrically erasable programmable read-only
memory (EEPROM) that can be updated.
FUP firmware update procedure.
format The arrangement or layout of data on a data medium.
formatter Part of a magnetic tape subsystem that performs data
conversion, speed matching, encoding, first level error recovery,
and interfaces to one or more tape drives.
FP File protect.
frayed Damaged as if by an abrasive substance.
FRU Field replaceable unit.
FSC Fault symptom code.
FSI Fault symptom index.
functional microcode Microcode that is resident in the machine
during normal customer operation.
G g Gram.
GB gigabyte.
GBIC Gigabit Interface Converter.
Gbi gigabit
gigabit (Gbit) 1 000 000 000 bits.
gigabyte (GB) 1 000 000 000 bytes.
Gigabit Interface Converter (GBIC) Converts copper interface to
optic interface.
gnd Ground.
H hertz (Hz) Unit of frequency. One hertz equals one cycle per second.
hex Hexadecimal.