Open host CONTROLLER interface (OHCI) is an open standard, which permits a computer to communicate with FireWire and USB devices.

Regarding FireWire maps and CONTROLLER chips OHCI means that the map/the chip a PCI based standard interface supports, which can be used by OHCI Firewire drivers, how they offer all modern operating systems. By the standard interface the operating system no details of the CONTROLLER must it know, but can with a set of well-defined instructions address.

A OHCI Standarddokument of Microsoft and Compaq one finds revised version (1.1) under * ftp://ftp.compaq.com/pub/supportinformation/papers/hcir1_0a.pdfEine is to find meanwhile here * http://developer.intel.com/technology/1394/download/ohci_11.htm

Articles in category "OHCI"

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• 1394 Open Host Controller Interface Specification Release 1.1 ...
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• OHCI - Wikipedia, the free encyclopedia
  Open Host Controller Interface, or OHCI, is an open standard that allows a computer ... When applied to a FireWire card, OHCI means that the card supports a ...


• Open Host Controller Interface - OHCI
  OHCI computer dictionary definition. ... Short for Open Host Controller Interface, OHCI was developed by Compaq and is a standard that allows a computer ...


• Universal Hardware driver for OHCI-compliant IEEE 1394 controller ...
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• White Paper: OpenHCI -- Open Host Controller Interface ...
  This document is the latest preliminary revision of the OpenHCI (Open Host Controller Interface) Specification, Rev. 1.0a released to the public in October ...