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Adaptec produced interface products involving SCSI, USB, IEEE 1394 (Firewire), iSCSI, Fibre Channel, and video. [16] Adaptec once produced CD- and DVD-burning software under the brand names of Easy CD Creator and Toast, as well as network-attached storage devices such as the Snap Server product line. The Adaptec brand is used to sell host bus ...
USB 3.0 SuperSpeed and USB 2.0 High-Speed versions defined USB 3.0 SuperSpeed – host controller (xHCI) hardware support, no software overhead for out-of-order commands; USB 2.0 High-speed – enables command queuing in USB 2.0 drives; Streams were added to the USB 3.0 SuperSpeed protocol for supporting UAS out-of-order completions
At the same time Microsoft developed SCSI Pass Through Interface (SPTI), an in-house substitute that worked on the NT platform. Microsoft did not include ASPI in Windows 2000/XP, in favor of its own SPTI. [10] To support USB drives under DOS, Panasonic developed a universal ASPI driver (USBASPI.SYS) that bypasses the lack of native USB support ...
In Fibre Channel, the port identifier is a WWPN and the device name is a WWNN. In SAS, both SCSI port identifiers and SCSI device names take the form of a SAS address, which is a 64 bit value, normally in the NAA IEEE Registered format. People sometimes refer to a SCSI port identifier as the SAS address of a device, out of confusion. People ...
SCSI was introduced in the 1980s and has seen widespread use on servers and high-end workstations, with new SCSI standards being published as recently as SAS-4 in 2017. The SCSI standards define commands, protocols, electrical, optical and logical interfaces. The SCSI standard defines command sets for specific peripheral device types; the ...
A stack of external SCSI devices displaying various SCSI connectors. Parallel SCSI (SCSI Parallel Interface SPI) allows for attachment of up to 8 devices (8-bit Narrow SCSI) or 16 devices (16-bit Wide SCSI) to the SCSI bus. The SCSI Host controller takes up one slot on the SCSI bus, which limits the number of devices allowed on the bus to 7 or ...
Many device interfaces or protocols (e.g., SATA, USB, SAS, PCIe) are used both inside many-device boxes, such as a PC, and one-device-boxes, such as a hard drive enclosure. Accordingly, this page lists both the internal ribbon and external communications cable standards together in one sortable table.
Commodore Amiga, and Apple Macintosh deployed SCSI drive through the mid-1990s, by which time most models had been transitioned to ATA (and later, SATA) family disks. Only in 2005 did the capacity of SCSI disks fall behind ATA disk technology, though the highest-performance disks are still available in SCSI, SAS and Fibre Channel only.