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The xHCI reduces the need for periodic device polling by allowing a USB 3.0 or later device to notify the host controller when it has data available to read, and moves the management of polling USB 2.0 and 1.1 devices that use interrupt transactions from the CPU-driven USB driver to the USB host controller.
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
Open Host Controller Interface (OHCI) [1] is an open standard.. Die shot of a VIA VT6307 Integrated Host Controller used for IEEE 1394A communication. When applied to an IEEE 1394 (also known as FireWire; i.LINK or Lynx) card, OHCI means that the card supports a standard interface to the PC and can be used by the OHCI IEEE 1394 drivers that come with all modern operating systems.
USB 3.2 is supported with the default Windows 10 USB drivers and in Linux kernels 4.18 and onwards. [71] [72] [73] In February 2019, USB-IF simplified the marketing guidelines by excluding Gen 1x2 mode and required the SuperSpeed trident logos to include maximum transfer speed. [74] [75]
Windows 10 October 2018 Update (Version 1809) Includes WDDM 2.5. [52] Updates to Display driver development in Windows 10, version 1809 include the following features: [53] Shader Model 6.3, adding support for DirectX12 Raytracing (DXR). [54] Raytracing, in order to support hardware-accelerated raytracing in Direct3D 12.
A number of extensions to the USB Specifications have progressively further increased the maximum allowable V_BUS voltage: starting with 6.0 V with USB BC 1.2, [42] to 21.5 V with USB PD 2.0 [43] and 50.9 V with USB PD 3.1, [43] while still maintaining backwards compatibility with USB 2.0 by requiring various forms of handshake before ...
Windows 10 version 1709: Redstone 3 October 17, 2017 1709 16299 April 9, 2019 Windows 10 version 1803: Redstone 4 April 30, 2018 1803 17134 November 12, 2019 Windows 10 version 1809: Redstone 5 November 13, 2018 1809 17763 November 10, 2020 Windows 10 version 1903: 19H1 May 21, 2019 1903 18362 December 8, 2020 Windows 10 version 1909: Vanadium
The Linux-IO Target (LIO) is an open-source Small Computer System Interface (SCSI) target implementation included with the Linux kernel. [1]Unlike initiators, which begin sessions, LIO functions as a target, presenting one or more Logical Unit Numbers (LUNs) to a SCSI initiator, receiving SCSI commands, and managing the input/output data transfers.