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THE DREAM By implementing a 'Tap & Go' payment system, bus operators are able to ensure commuter safety by providing secure public bus fare payments, increase revenue and access to data to assist them in increasing their fleets and deploying more buses to crowded routes as well as monitor their fleets. SCSI is a type of interface used for computer components such as hard drives, optical drives, scanners and tape drives. It is a competing technology to standard IDE (Integrated Drive Electronics). While the less expensive IDE technology is built into motherboards, SCSI is a technology that must be added by purchasing a special controller. CISA SCSI 101 Factsheet. The CISA SCSI 101 Factsheet is a resource to educate the public safety community on the vision and benefits of SCSI. Specifically, the factsheet outlines the governance, risk management, resource sharing, and operations considerations that need to be addressed to ensure project success. SCSI Along the Southwest Border. SCSI is a bus technology, which means that all devices connect to a central bus and are 'daisy-chained' together. The SCSI bus is controlled by a host controller which will typically be built into the motherboard, or it can be from a separate expansion card. A SCSI connector is either external or internal.

J October 2016 Fibre Channel (FC) Serial Attached SCSI (SAS) SCSI Commands Reference Manual.

Starting with Windows 10, Version 2004 (OS build 19041.488 or higher), two additional identifiers are available for NVMe storage disk drives which support the STOR_RICH_DEVICE_DESCRIPTION structure:

SCSIt*v(8)p(40)

Where:

• t* is a device type code of variable length

• v(8) is an 8-character vendor identifier

• p(40) is a 40-character product identifier

SCSIt*v(8)p(40)r(8)

Where:

• t* is a device type code of variable length

• v(8) is an 8-character vendor identifier

• p(40) is a 40-character product identifier

• r(8) is an 8-character revision level value

In versions of Windows prior to Windows 10, Version 2004 (OS build 19041.488 or higher), the device ID format for a small computer system interface (SCSI) device is as follows:

SCSIt*v(8)p(16)r(4)

Where:

• t* is a device type code of variable length

• v(8) is an 8-character vendor identifier

• p(16) is a 16-character product identifier

• r(4) is a 4-character revision level value

The bus enumerator determines the device type by indexing an internal string table, using a numerically encoded SCSI device type code, obtained by querying the device, as shown in the following table. The remaining components are just strings returned by the device, but with special characters (including space, comma, and any nonprinting graphic) replaced with an underscore.

The SCSI Port driver currently returns the following device type strings, the first nine of which correspond to standard SCSI type codes.

An example of a device ID for a disk drive would be as follows:

SCSIDiskSEAGATE_ST39102LW_______0004

There are four hardware IDs in addition to the device ID:

SCSIt*v(8)p(16)

SCSIt*v(8)

SCSIv(8)p(16)r(1)

V(8)p(16)r(1)

In the third and fourth of these additional identifiers, r(1) represents just the first character of the revision identifier. These hardware IDs are illustrated by the following examples:

SCSIDiskSEAGATE_ST39102LW_______

SCSIDiskSEAGATE_

SCSIDiskSEAGATE_ST39102LW_______0

SEAGATE_ST39102LW_______0

The SCSI Port driver supplies only one compatible ID, one of the variable-sized generic type codes from the previous table.

For example, the compatible ID for a disk drive is as follows:

Tge Scsi & Raid Devices Drivers

GenDisk

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The generic identifier is used in INF files for SCSI devices more than any other, because SCSI drivers are typically generic.

Be aware that the SCSI Port driver returns no generic name for sequential access and 'processor' devices.

SCSI is a type of interface used for computer components such as hard drives, optical drives, scanners and tape drives. It is a competing technology to standard IDE (Integrated Drive Electronics). While the less expensive IDE technology is built into motherboards, SCSI is a technology that must be added by purchasing a special controller. The SCSI card fits into an internal PCI slot, and the associated devices are then connected to this card.

This interface is a faster, more robust technology than IDE, and has traditionally been utilized in servers. Aside from speed, another great advantage over IDE is that the card can connect 15 or more devices in a daisy chain. The controller assigns each device its own ID, allowing for great flexibility towards expanding any system.

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SCSI devices, particularly hard drives, are designed to be used 24/7 in addressing the needs of the server market. For this reason, the drives are usually made to higher standards and carry longer warranties than IDE drives of comparable capacity. However, the added speed and quality come at a price. SCSI components are significantly more expensive than their IDE cousins.

As the technology has evolved, different varieties have emerged with varying benchmark speeds. The various versions utilize different pin connectors. Therefore, it is important to match the right SCSI controller to the desired components. For example, if a drive is Ultra 320, a SCSI-I controller will not work with it. The controller must support Ultra 320 to be compatible. Following is a list of versions with the data transfer rates in megabytes per second (MB/sec):