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24 Medalist Pro 2160N, Rev. B
Glossary
SCSI: Pronounced scuzzy; acronym for small computer system
interface, a standard high speed parallel interface defined by the
XT3T9.2 committee of the American National Standards Institute
(ANSI).
Ultra SCSI: Doubles the bandwidth of Fast SCSI. It provides 8-
bit (SCSI narrow) data rates of 20 Mbytes per second and 16-bit
SCSI wide data rates of 40 Mbytes per second.
SCSI address: The representation of the SCSI address, refer-
ring to one of the signal lines DB (7-0).
Motor start: Enables the drive to wait for a Start/Stop Unit com-
mand from the host before starting or stopping the spindle motor.
Parity: A computer error-checking procedure in which the num-
ber of 1s must always be the same (even or odd) for each group
of bits transmitted without error.
Termination: A method of matching the transmission imped-
ance of an electrical bus to eliminate signal reflections from the
end of the cable.
Synchronous data: Data sent without a clock pulse (usually in
serial mode).
Asynchronous data: Data sent without a clock pulse (usually in
parallel mode). Time intervals between transmitted bits may be
of unequal length.
Gigabyte: 1,000,000,000 bytes.