small computer system interface
Definition
Noun: A standardized hardware interface and protocol used to connect peripheral devices (such as hard disk drives, scanners, and tape drives) to a computer. It defines the physical connection, electrical signaling, and command set for communication between the computer and the devices.
Usage
This term refers specifically to the interface standard itself. It is often used when discussing computer hardware, data transfer, and system configuration. * The server uses a small computer system interface for its storage array. * To improve performance, they upgraded to a faster small computer system interface controller card. * Many professional-grade scanners connect via small computer system interface.
Advanced Usage
- SCSI chain: A series of SCSI devices connected in a sequence to a single host adapter.
- You can connect up to 15 devices on a single SCSI chain.
- SCSI ID: A unique number assigned to each device on a SCSI bus for identification.
- Make sure each hard drive has a unique SCSI ID to avoid conflicts.
Variants and Related Words
- SCSI (noun): The universal acronym for "small computer system interface." This is the most common form used in speech and writing.
- Is this an SCSI or a SATA drive?
- SCSI-1, SCSI-2, SCSI-3 (noun): Designations for successive generations and revisions of the SCSI standard, offering improvements in speed and features.
- Host adapter (noun): The controller card installed in the computer that manages the SCSI bus and devices.
Synonyms
- Parallel SCSI: Specifically refers to the traditional parallel bus implementation of the SCSI standard (as opposed to serial versions like SAS).
- SCSI bus: Emphasizes the shared communication pathway aspect of the interface.
Related Phrases
- To terminate a SCSI bus: To install a special resistor pack (terminator) at the end of the SCSI chain to prevent signal reflection and ensure reliable communication.
- For the devices to work properly, you must terminate the SCSI bus correctly.
- SCSI command: A specific instruction set used by the SCSI protocol for device communication.
- The application sends a SCSI command to initiate a tape backup.
Noun
-
interface consisting of a standard port between a computer and its peripherals that is used in some computers
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