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The Enhanced Host Controller Interface (EHCI) [5] is a high-speed controller standard applicable to USB 2.0. UHCI- and OHCI-based systems, as existed previously, entailed greater complexity and costs than necessary.
Fibre Channel host bus adapter (a 64-bit PCI-X card) [clarification needed] SCSI host adapter (a 16-bit ISA card). In computer hardware a host controller, host adapter or host bus adapter (HBA) connects a computer system bus which acts as the host system to other network and storage devices. [1]
The eXtensible Host Controller Interface (xHCI) is a technical specification that provides a detailed framework for the functioning of a computer's host controller for Universal Serial Bus (USB). Known alternately as the USB 3.0 host controller specification, xHCI is designed to be backward compatible, supporting a wide range of USB devices ...
Host Controller Interface or Host controller interface may refer to: Host Controller Interface (FireWire), an interface that enables a FireWire host controller to communicate with a driver; Host Controller Interface (USB), an interface that enables a USB host controller to communicate with a driver; Host Controller Interface (Bluetooth) in ...
The Advanced Host Controller Interface (AHCI) is a technical standard defined by Intel that specifies the register-level interface of Serial ATA (SATA) host controllers in a non-implementation-specific manner in its motherboard chipsets.
FireWire also supports multiple host controllers per bus. It is designed to support plug and play and hot swapping . The copper cable it uses in its most common implementation can be up to 4.5 metres (15 ft) long and is more flexible than most parallel SCSI cables.
If the USB host is restarted, the enumeration process is repeated for all connected devices. The host controller directs traffic flow to devices, so no USB device can transfer any data on the bus without an explicit request from the host controller. In USB 2.0, the host controller polls the bus for traffic, usually in a round-robin fashion. The ...
The HECI bus allows the host operating system (OS) to communicate directly with the Management Engine (ME) integrated in the chipset.This bi-directional, variable data-rate bus enables the host and ME to communicate system management information and events in a standards-compliant way, essentially replacing the System Management Bus (SMBus).