Qué (quién) es Small Computer System Interface - definición

SET OF STANDARDS FOR PHYSICALLY CONNECTING AND TRANSFERRING DATA BETWEEN COMPUTERS AND PERIPHERAL DEVICES; REPLACED BY OTHER TECHNOLOGIES

Small Computer Systems Interface; Shugart Associates System Interface; Small Computer System Interface; Scsi; U320; Ultra4 SCSI; Ultra3 SCSI; Scuzzy; SCSI cable; Ultra160; X3T10; SCSI Express; Small computer system interface; SCSI over PCIe; SCSI over PCI Express; Serial SCSI buses; Lsscsi

Small Computer System Interface

<hardware, standard> (SCSI) /skuh'zee/, /sek'si/ The most popular processor-independent standard, via a parallel bus, for system-level interfacing between a computer and intelligent devices including hard disks, floppy disks, CD-ROM, printers, scanners, and many more. SCSI can connect multiple devices to a single SCSI adaptor (or "host adaptor") on the computer's bus. SCSI transfers bits in parallel and can operate in either asynchronous or synchronous modes. The synchronous transfer rate is up to 5MB/s. There must be at least one target and one initiator on the SCSI bus. SCSI connections normally use "single ended" drivers as opposed to differential drivers. Single ended SCSI can suport up to six metres of cable. Differential ended SCSI can support up to 25 metres of cable. SCSI was developed by Shugart Associates, which later became Seagate. SCSI was originally called SASI for "Shugart Associates System Interface" before it became a standard. Due to SCSI's inherent protocol flexibility, large support infrastructure, continued speed increases and the acceptance of SCSI Expanders in applications it is expected to hold its market. The original standard is now called "SCSI-1" to distinguish it from SCSI-2 and SCSI-3 which include specifications of Wide SCSI (a 16-bit bus) and Fast SCSI (10 MB/s transfer). SCSI-1 has been standardised as ANSI X3.131-1986 and ISO/IEC 9316. A problem with SCSI is the large number of different connectors allowed. Nowadays the trend is toward a 68-pin miniature D-type or "high density" connector (HD68) for Wide SCSI and a 50-pin version of the same connector (HD50) for 8-bit SCSI (Type 1-4, pin pitch 1.27 mm x 2.45 mm). 50-pin ribbon cable connectors are also popular for internal wiring (Type 5, pin pitch 2.54 mm x 2.54 mm). {Apple Computer} used a 25-pin connector on the Macintosh computer but this connector causes problems with high-speed equipment. Original SCSI implementations were highly incompatible with each other. ASPI is a standard Microsoft Windows interface to SCSI devices. Usenet newsgroup: news:comp.periphs.scsi. news:comp.periphs.scsi. SCSI Trade Association & FAQ http://scsita.org/. ["System" or "Systems"?] (1999-03-30)

SCSI

¦ abbreviation Computing small computer system interface.

scuzzy

The usual pronunciation of SCSI.

Wikipedia

SCSI

Small Computer System Interface (SCSI, SKUZ-ee) is a set of standards for physically connecting and transferring data between computers and peripheral devices. The SCSI standards define commands, protocols, electrical, optical and logical interfaces. The SCSI standard defines command sets for specific peripheral device types; the presence of "unknown" as one of these types means that in theory it can be used as an interface to almost any device, but the standard is highly pragmatic and addressed toward commercial requirements. The initial Parallel SCSI was most commonly used for hard disk drives and tape drives, but it can connect a wide range of other devices, including scanners and CD drives, although not all controllers can handle all devices.

The ancestral SCSI standard, X3.131-1986, generally referred to as SCSI-1, was published by the X3T9 technical committee of the American National Standards Institute (ANSI) in 1986. SCSI-2 was published in August 1990 as X3.T9.2/86-109, with further revisions in 1994 and subsequent adoption of a multitude of interfaces. Further refinements have resulted in improvements in performance and support for ever-increasing data storage capacity.

https://en.wikipedia.org/wiki/SCSI