SCSI

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SCSI

[′skəz·ē]
(computer science)

SCSI

SCSI

(Small Computer System Interface) Pronounced "scuzzy," SCSI is a hardware interface for up to 15 peripherals connected to one PCI or PCI Express card ("SCSI host adapter") on the motherboard. Introduced in 1986 by Shugart Associates (see SASI), this original parallel architecture was largely replaced by a serial version (see serial attached SCSI).

SCSI hard drives were used in mainframes, servers and storage arrays in the late-1980s and 1990s because they were very robust, and they were initially the only ones used in RAID configurations (see RAID). Eventually, less-costly IDE drives became highly reliable (see IDE and SATA).

SCSI Is a Mini-LAN
The SCSI bus is like a mini-LAN connecting 15 devices; actually 16 but the host counts as one. Any two can communicate at one time: host-to-peripheral and peripheral-to-peripheral. For more details, see SCSI Architecture Model, SCSI signaling, SCSI connectors and SCSI switch.


A "Scuzzy" Daisy Chain
SCSI enabled multiple peripherals to connect to one host adapter and take up only one slot in the computer. Devices included two ports to form a daisy chain.
References in periodicals archive ?
And the background colour tones -- aren't they now distinctly pastel, washed-out, skuzzy, colour-bleeding at the margins, like, well, US TV?
But I'm not that kind of guy, and besides, I've been drinking coffee out of skuzzy, infested cups all my life and how come I'm not dead?
THE intro may recall the rumbling bass of Donna Summer's I Feel Love but it's soon overtaken by skuzzy rock riffs and the bluesy vocals of frontman Andy Taylor.
Paul, hired an overweight contractor, Walt Duggan, to help her renovate the American foursquare's awkward, decaying kitchen and skuzzy bathroom, and enrolled her boys in public school.
Now, we are faced with the imprisonment of an admittedly skuzzy - but nevertheless fellow American - citizen without charge, access to a lawyer or even formal probable cause.
Why do skuzzy outsiders like me have so much clout?
Honed by extensive touring, the album bursts with energy, the guitars are loud and skuzzy and the lyrics spat out rather than sung.
In Aaron Sorkin's astringent new series, "Studio 60," the actor playing the producer looks with disdain at the skuzzy characters gathered around the writers' table and asks them why they come to work dressed "like junior high school students.