SCSI Start Stop Unit Command
- SCSI Start Stop Unit Command
The SCSI Start/Stop Unit command is used to control the motor in a rotary device such as a SCSI disk-drive. It is also used to load or eject exchangeable media such as a tapes or CDs. It is a frequently-used command and is often the first one issued after initial communication has been established between the initiator and the target.
The CDB structure is:
The parameter fields in the CDB have the following meaning:
*Immed - immediate - if this is one then the target will not wait until the operation has completed before sending back the status code.
*LoEj (load/eject) and Start - these two bits are used together:
**00 - Stop motor
**01 - Start motor
**10 - Eject media
**11 - Load media
Wikimedia Foundation.
2010.
Look at other dictionaries:
SCSI — Small Computer System Interface, or SCSI (pronounced skuh zee [ [http://www.bartleby.com/61/56/S0175650.html SCSI] . American Heritage Dictionary .] [cite book|title=The Book of SCSI|last=Field|pages=1] ), is a set of standards for physically… … Wikipedia
Hard disk drive — Hard drive redirects here. For other uses, see Hard drive (disambiguation). Hard disk drive Mechanical interior of a modern hard disk drive Date invented 24 December 1954 [1] … Wikipedia
Parallel ATA — ATA connector on the right, with two motherboard ATA sockets on the left. Type … Wikipedia
USB — This article is about the computer bus to connect peripherals. For other uses of USB, see USB (disambiguation). Universal Serial Bus Original logo Type Computer Hardware Bus … Wikipedia
List of ReBoot characters — This is a list of characters from the animated television series, ReBoot. With the exception of a few characters, such as Bob, most ReBoot characters are named after technical computer terms or pieces of computer hardware.[verification needed]… … Wikipedia
Booting — This article is about bootstrapping operating systems. For the general concept, see Bootstrapping. For other uses, see Booting (disambiguation). In computing, booting (also known as booting up) is a process that begins when a user turns on a… … Wikipedia
computer — computerlike, adj. /keuhm pyooh teuhr/, n. 1. Also called processor. an electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations. Cf. analog… … Universalium
Computer — For other uses, see Computer (disambiguation). Computer technology redirects here. For the company, see Computer Technology Limited. Computer … Wikipedia
Optical disc drive — A CD/DVD ROM Drive A Blu ray (BD RE DL) writer tray in a Sony Vaio E series laptop … Wikipedia
Ensoniq EPS — The EPS (Ensoniq Performance Sampler) was one of the first few affordable samplers on the market. It was manufactured from 1988 to 1991 by Ensoniq in Malvern, Pennsylvania, USA. It was an update to the Mirage 8 bit sampler, as the EPS used a 12… … Wikipedia
