readme.txt Driver File Contents (

Windows 2000 USB2.0 Supplement with CompatID

Table of Contents
1. Introduction
2. Contents of this CD
3. Installation Directions
4. Installation Instructions for Network Install

1. Introduction
The contents on this CD will allow OEMs and System Builders to incorporate USB 2.0 support for EHCI Host Controllers with CompatID, on the Microsoft(r) Windows(r) 2000 operating system (with Service Pack 2, any language). This ID will also be present in Windows 2000 Service Pack 4.

Either this Supplement or the previous USB2.0 Supplement (April 2002) may be used, but not both.

1.1 USB 2.0 EHCI Host Controllers Supported
The drivers provided on this CD will install on any USB 2.0 controller that reports that its compliant with the EHCI specification (in its PCI namespace). EHCI compliance is the responsibility of the USB 2.0 controller; this driver has not been tested with devices that did not exist at the time of its release.

Microsoft’s plans regarding support of additional EHCI controllers can be found on  

1.2 USB 2.0 Hub support
USB 2.0 hubs are supported by this package.

2. Contents of this CD
This CD contains the USB 2.0 EHCI package with CompatID necessary to support USB EHCI controllers and USB 2.0 hubs.

The USB 2.0 EHCI package with CompatID consists of the following files:

The INF file is responsible for loading the USBEHCI.SYS host controller miniport, the port driver and a hub20 driver on a Windows 2000 system. The host controller coinstaller (HCCOIN.DLL) is also registered and is responsible for ensuring proper installation of the USB 2.0 driver stack.

Unlike the Windows XP release, a QFE package is not required for the Windows 2000 release as no Windows 2000 existing files are being replaced or updated.

3. Installation Directions 
Install the USB 2.0 EHCI package using Plug and Play INF installation procedures. 

4. Installation Instructions for Network Install

Copy the files from the CD in "EHCI Package with CompatID" directory to i386\$OEM$\$1\PnPDrvrs\USB20

Include the USB 2.0 directory in your OEMPnPDriversPath in unattend.txt.  For example:

OEMPnPDriversPath = "PnPDrvrs\USB20"

If you have any issues, please work with your Microsoft OEM PM or Technical Account Manager (TAM) to have them addressed as soon as possible.


Windows USB Team

(c) 2001-2003 Microsoft Corporation. All rights reserved.

The information contained in this document represents the current view of Microsoft Corporation on the issues discussed as of the date of publication. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information presented. This document is for informational purposes only. MICROSOFT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, IN THIS DOCUMENT.

Microsoft, Windows, and Windows NT are trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries. Other product and company names mentioned herein may be the trademarks of their respective owners.

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How To Update Drivers Manually

After your driver has been downloaded, follow these simple steps to install it.

  • Expand the archive file (if the download file is in zip or rar format).

  • If the expanded file has an .exe extension, double click it and follow the installation instructions.

  • Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.

  • Find the device and model you want to update in the device list.

  • Double-click on it to open the Properties dialog box.

  • From the Properties dialog box, select the Driver tab.

  • Click the Update Driver button, then follow the instructions.

Very important: You must reboot your system to ensure that any driver updates have taken effect.

For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.

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