Encyclopedia: SCS...
Encyclopedia : S : SC : SCS (63 articles)
Scs
Synthetic catalytic scavengerSingle Channel Simulcast - a special transmission mode, allowing the transmission of an analogue and a digital program in the same channelSea Control Ship - a small carrier/troop transport hybrid warshipSpinal Cord Stimulator - medical device used to treat intractable pa..
SCS
SCS is an abbreviation for Synthetic catalytic scavengerthe South China Sea;Shopping City Süd, a huge shopping mall south of Vienna;Société en commandite simple, a French type of business association.Carnegie Mellon University's School of Computer ScienceSt. Clement's School, a private girls sc..
SCSA
S.C.S.A. is a four letter acronym which may refer to: The Stock Car Speed Association, the British version of NASCAR, formerly known as ASCAR or the Days of Thunder-SeriesStone Cold Steve Austin, a professional wrestlerThe Sun Certified Systems Administrator exam from Sun MicrosystemsSperm Chromati..
SCSC
This article lacks information on the [Importanceimportance] of the subject matter. If you are familiar with it, please expand the article, or discuss its significance on the talk page. SCSC - Software and Computing Services Company See also PentalogSuperconducting Super Collider ..
Scsh
Scsh is a POSIX API layered on top of the scheme programming language (currently only a Scheme 48 implementation exists, but others are planned) in a manner to make the most of scheme's capability for scripting. Scsh includes: Library support for list, character, and string manipulations;Regular ex..
SCSI
SCSI stands for "Small Computer System Interface", and is a standard interface and command set for transferring data between devices on both internal and external computer buses. It is pronounced "scuzzy".(2000), American Heritage Dictionary, 4th edition[link]: pronunciation. The name is ..
SCSI Architectural Model
The SCSI architectural model is a high-level, abstract view of the way that SCSI devices communicate. It is intended to show how the different SCSI standards are inter-related. The following summary is an overview of the main concepts and terminology of the SCSI archtectural model: Only externall..
SCSI attached enclosure services
SCSI atached enclosure services is a computer protocol used mainly with disk storage enclosures. It allows a host computer to communicate with the enclosure to access its power, cooling, and other non-data characteristics. The host computer communicates with the disks in the enclosure via a SCSI..
SCSI CDB
In SCSI computer storage, commands are sent in a Command Descriptor Block (CDB). Each CDB can be a total of 6, 10, 12, or 16 bytes, but later versions of the SCSI standard also allow for variable-length CDBs. The CDB consists of a one byte operation code followed by some command-specific paramete..
SCSI check condition
In computer terminology, a Check Condition occurs when a SCSI device needs to report an error. SCSI communication takes place between an initiator and a target. The initiator sends a command to the target which then responds. SCSI commands are sent in a Command Descriptor Block (CDB). At the e..
SCSI command
In SCSI computer storage, a command is the basic unit of communication. The SCSI command architecture was originally defined for parallel SCSI buses but has been carried forward with minimal change for use with Fibre Channel, iSCSI and Serial Attached SCSI. In SCSI protocol, the initiator sends ..
SCSI connector
There are many different types of SCSI connectors in use in the computer industry. The long history of changes and enhancements to the SCSI standards, especially the move from parallel SCSI to serial SCSI, has led to an evolution of connectors. The following two sections describe the most common o..
SCSI contingent allegiance condition
In computer terminology, a contingent allegiance condition occurs when a SCSI device needs to report an error. SCSI communication takes place between an initiator and a target. The initiator sends a command to the target which then responds. At the end of the command the target returns a Sens..
SCSI diagnostic pages
SCSI target devices provide a number of SCSI diagnostic pages. These can be used by a Send Diagnostic command to tell a target device to run a specialised self-test. The Receive Diagnostic Results command is used where the results from the self-test operation are non-trivial. Most of the common S..
SCSI element codes
SCSI Enclosure Services (SES) devices contains a number of elements, each of which is defined by a one byte SCSI element code. There are many different element codes defined to cover various devices as shown in the list below. List of SES element codes 00h - unspecified01h - device - disk-drive..
SCSI element status codes
When a SCSI SES controller is interrogated for the status of a SES element, the response includes a 4-bit SCSI element status code. The list of valid codes is: 0h - unsupported - status detection is not implemented for this element1h - OK - element is installed and no error conditions are known2h ..
SCSI Enclosure Services
Most recent SCSI enclosure products support a protocol called SCSI Enclosure Services (SES). The initiator can communicate with the enclosure using a specialised set of SCSI commands to access power, cooling, and other non-data characteristics. Contents 1 SES devices2 SES commands3&nb..
SCSI Format Unit Command
The SCSI Format Unit command is used to format a SCSI target device into LBAs. Defect management options can be specified in the CDB. This command can take a very long time to complete, typically one or more hours. The CDB structure is: SCSI Format Unit Command Bit 0 1 2 3 4 5 6 7 +0 Operatio..
SCSI high byte termination
In SCSI computer systems, there is a special case with mixed 8-bit and 16-bit devices where high-byte termination may be required. Most parallel SCSI busses are terminated at each end. However where the bus width is not constant, it is sometimes necessary to provide special termination for the h..
SCSI host adapter
Host Bus Adapter (SCSI) A SCSI host adapter is a device used to connect one or more other SCSI devices to a computer bus. It is commonly called a SCSI controller, which is not strictly correct, as all SCSI devices have a SCSI controller built into them: the difference between a host adapter an..
SCSI initiator
In SCSI computer storage, an initiator is the host-side endpoint of a SCSI session. SCSI initiators request data transfers from SCSI targets. SCSI initiators are sometimes (wrongly) called SCSI controllers. See the SCSI host adapter article for a more detailed description of initiator operation..
SCSI Inquiry Command
The SCSI Inquiry command is used to obtain basic information from a target device. The CDB structure is: If the EVPD parameter bit is zero and the Page Code parameter byte is zero then the target will return the standard inquiry data which is structured like this: The special fields in the ..
SCSI log pages
SCSI target devices provide a number of SCSI log pages. These can be interrogated by a Log Sense command and in some cases can be set by a Log Select command. The Log Sense and Log Select commands include a 6-bit address field, allowing for 64 possible log pages. There is a standard map of log pa..
SCSI Log Select Command
The SCSI Log Select command is used to modify data in the log pages of a SCSI target device. The CDB structure for the Log Select command is: The special parameter fields in the CDB have the following meaning: PCR - Parameter Code Reset - if this is one then all parameter codes will be reset t..
SCSI Log Sense Command
The SCSI Log Sense command is used to obtain current data from log pages in a SCSI target device. The CDB structure for the Log Sense command is: The special parameter fields in the CDB have the following meaning: PPC - Parameter Pointer Control - if this is one then the target returns a log p..
SCSI Message Code
A SCSI Message Code is a computer term which defines how SCSI devices send interface management information. The message code comprises one or more bytes. List of SCSI Message Codes 00 COMMAND COMPLETE 01nnyy... EXTENDED MESSAGE - nn is the length, yy is the extended message code 010203ee WIDE DA..
SCSI mode pages
SCSI target devices provide a number of SCSI mode pages. These can be interrogated by a Mode Sense command and set by a Mode Select command. The Mode Sense and Mode Select commands include a 6-bit address field, allowing for 64 possible mode pages. There is a standard map of those page codes belo..
SCSI Mode Select Command
The SCSI Mode Select command is used to modify device information contained in mode pages in a SCSI target device. There are two different versions of the command, a 6 byte version and a 10 byte version. The CDB structure for the Mode Select(6) command is: The CDB structure for the Mode Select..
SCSI Mode Sense Command
The SCSI Mode Sense command is used to obtain current device information from mode pages in a SCSI target device. There are two different versions of the command, a 6 byte version and a 10 byte version. The CDB structure for the Mode Sense(6) command is: The CDB structure for the Mode Sense(10..
SCSI Pass-Through Direct
About SCSI Pass-Through Direct SCSI Pass-Through Direct (usually abbreviated as SPTD) is a Device Driver that is installed by programs that Emulate virtual CD/DVD drives in Microsoft Windows. Such programs include DAEMON Tools and Alcohol 120%. It is known to be incompatible with Kernel-mode Deb..
SCSI Peripheral Device Type
A SCSI Peripheral Device Type is a way of describing what capabilities are provided by a SCSI device. It is a five-bit field which can be found in the Standard Inquiry Data provided in response to a Request Sense command. This field was defined in the very early days of SCSI and is now too small. ..
SCSI Read Capacity Command
The SCSI Read Capacity command is used to obtain data capacity information from a target device. The CDB structure is: The special control fields in the CDB have the following meaning: RelAdr - indicates that the LBA value is relative (only used with linked commands).PMI - partial medium indic..
SCSI Read Commands
There are four different SCSI Read commands defined. The Read(6) command is only 6 bytes long and is a legacy from early SCSI days. Its use is restricted to 21-bit LBAs. The CDB structure is: The Read(10) command was introduced to cope with 32-bit LBAs. It also included three performance-r..
SCSI Receive Diagnostic Results Command
The SCSI Receive Diagnostic Results command is used to interrogate the results of a self-test. The self-test must have been triggered by a previous Send Diagnostic command which would have defined the self-test required. This is usually associated with one of the available diagnostic pages. The..
SCSI Request Sense Command
The SCSI Request Sense command is used to obtain sense data (error information) from a target device. The CDB structure is: The response is a set of SCSI sense data which is structured like this: The special control fields in the sense data have the following meaning: Valid -*0 - sense data..
SCSI Send Diagnostic Command
The SCSI Send Diagnostic command is used to instruct a target device to perform a self-test on a specific LUN. The CDB structure is: The special parameter fields in the CDB have the following meaning: PF - Page Format:*0 - SCSI-1 compliant (vendor-specific)*1 - SCSI-2 compliant (addresses a pa..
SCSI Sense Code
A SCSI Sense Code is used to determine the success or failure of a SCSI command. At the end of any command, the target returns a Sense Code (sometimes called a SCSI status byte) which should be one of the following: Contents 1 00h OK2 02h Check condition3 04h Condition met4 0..
SCSI standalone enclosure services
SCSI standalone enclosure services is a computer protocol used mainly with disk storage enclosures. It allows a host computer to communicate with the enclosure to access its power, cooling, and other non-data characteristics. The host computer communicates with one or more SCSI Enclosure Service..
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..
SCSI target
In SCSI computer storage, a target is the storage-device side endpoint of a SCSI session. SCSI initiators request data transfers from SCSI targets. SCSI targets are typically disk-drives, tape-drives, optical, or other media devices. ..
SCSI Test Unit Ready Command
The SCSI Test Unit Ready command is used to "ping" a target device. This establishes if the device is ready to receive other commands. The device does not perform a self-test operation. See the Send Diagnostic command. The CDB structure is: The device will then return either good status or a..
SCSI Write Commands
There are four different SCSI Write commands defined. The Write(6) command is only 6 bytes long and is a legacy from early SCSI days. Its use is restricted to 21-bit LBAs. The CDB structure is: The Write(10) command was introduced to cope with 32-bit LBAs. It also included four other enhan..
SCSR
SCSR can be: Self-contained self-rescue device, a portable oxygen sourceSingle Channel Signaling RateThis is a [disambiguationdisambiguation] page: a list of articles associated with the same title. If an referred you to this page, you may wish to change the link to point directly to the..
SCSU
SCSU can mean several things: St. Cloud State UniversitySouth Carolina State UniversitySouthern Connecticut State UniversityScarborough Campus Student Unionthe Standard Compression Scheme for Unicode ..
SCS Lakeview High School
St. Clair Shores Lakeview High School, or locally known as simply Lakeview High School is a high school located in St. Clair Shores, Michigan. "St. Clair Shores" separates Lakeview from its cross-state, like-named Battle Creek Lakeview High School. ..
SC Salgueiros
Sport Comércio e Salgueiros (pron. IPA /spɔɾ ku.'mɛɾ.si.u i saɫ.'ɣɐj.ɾuʃ/), commonly abbreviated as SC Salgueiros, is a sports club founded on December 11, 1911, in Paranhos (Oporto), Portugal. Contents 1 History1.1 Founding1.2 SC Salgueiros and Sport Comércio2 Spo..
SC Seahawk
Curtiss SC Seahawk Curtiss Seahawk Description Role Seaplane scout Crew 1 First Flight 1944 Entered Service October 1944 Manufacturer Curtiss Dimensions Length 36 ft 5in 11.1 m Wingspan 41 ft 0in 12.5 m Length of Fuselage 29 ft 0in 8.8 m Length of Aircraft With Float 36 ft 4.5in 1..
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