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Universal Serial Bus (USB) is an industry standard, developed by USB Implementers Forum (USB-IF), ... and Hewlett Packard's HP-IL bus pioneered this approach. ...
In addition, HP has introduced a USB floppy drive key, an ordinary USB flash drive with the capacity to emulate floppy drives, allowing it to be used for updating system firmware where direct use of USB flash drives is not supported. The desired mode of operation, regular USB mass storage device or floppy drive emulation, is selected via ...
The USB 3.0 specification is similar to USB 2.0, but with many improvements and an alternative implementation.Earlier USB concepts such as endpoints and the four transfer types (bulk, control, isochronous and interrupt) are preserved but the protocol and electrical interface are different.
On Dell, HP and Toshiba laptops, sleep-and-charge USB ports are marked with the standard USB symbol with an added lightning bolt or battery icon on the right side. [91] Dell calls this feature PowerShare, [92] and it needs to be enabled in the BIOS. Toshiba calls it USB Sleep-and-Charge. [93]
The Hewlett-Packard Company, commonly shortened to Hewlett-Packard (/ ˈ h juː l ɪ t ˈ p æ k ər d / HEW-lit PAK-ərd) or HP, was an American multinational information technology company.
The written USB 3.0 specification was released by Intel and its partners in August 2008. The first USB 3.0 controller chips were sampled by NEC in May 2009, [4] and the first products using the USB 3.0 specification arrived in January 2010. [5] USB 3.0 connectors are generally backward compatible, but include new wiring and full-duplex operation.
The company was formed on November 1, 2015, as the legal successor of the original Hewlett-Packard Company after the company's enterprise product and business services divisions were spun off as a new publicly traded company, Hewlett Packard Enterprise. [4] HP is listed on the New York Stock Exchange and is a constituent of the S&P 500 Index.
For example, a USB 2 PCIe host controller card that presents 4 USB "Standard A" connectors typically presents one 4-port EHCI and two 2-port OHCI controllers to system software. When a high-speed USB device is attached to any of the 4 connectors, the device is managed through one of the 4 root hub ports of the EHCI controller.
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