Hp PCIe U320 SCSI Host Bus Adapter Manuel d'utilisateur télécharger pdf (Page 57)

process by eliminating the bus free phase. When combined with packetization,

reduces command overhead and m aximizes bus use.

read and write

data streaming

Minimizesdatatransferoverheadbyallowingatargettosendonedatastream

(LQ) packet followed by multiple data packets. Minimizes overhead of data

transfers because the target can send one data stream packet followed by

multiple data packets.

receiver The ultimate destination of data transmission; a terminal device

SCSI Small Computer Systems Interface: a processor-independent standard for

system-level interface between a computer and intelligent devices including hard

disks, ﬂ oppy disks, CD-ROM, printers, scanners, etc.

single-ended An electrical signal protocol that transmits information through changes in

voltage. Single-ended SCSI uses standard TTL signal and ground pairs to

transmit information over the SCSI bus.

topology Logical layout of the parts of a computer system or network and their

interconnections.

training pattern SCSI is a parallel bus technology that is dependent on signals being transmitted

on parallel wires simultaneously. At higher speeds, minute differences in wire

lengths and transmission characteristics could cause problems. Training pattern

testing measures these minute differences and compensates for them.

transceiver A transmitter/receiver module.

transfer rate The rate at which bytes or bits are transferred, as in megabytes or gigabits

per second.

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Hp PCIe U320 SCSI Host Bus Adapter Manuel d'utilisateur Page 57