AMD USB Filter Driver

Version 1.0.18.119

Introduction

The AMD USB Filter Driver is a USB upper class filter driver that supports the following:

·              AMD RS780/RS880/Ontario + SB700/SB800/Hudson-1

For AMD RS780/RS880 Ontario and SB700/710/SB800/Hudson-1, the driver detects the ISOC transactions on the connected USB and disables the ALink PLL turn off feature at NB & SB.

For AMD SB800/Hudson-1, the driver disables prefetch all SB OHCI when USB ISOCH 1.1 OUT stream is inactive.

Additionally, for AMD RS880, the driver enables/disables the scratch bit in the NB Configuration Space, upon detecting the ISOC transactions on the connected USB devices.

System Requirements

Ensure that you are using a supported operating system and have the required files.

Supported Operating Systems

Client package: This package supports following Operating Systems

·    Microsoft Windows XP (32-bit and 64-bit editions)

·    Microsoft Windows Vista® (32-bit and 64-bit editions)

·    Microsoft Windows 7 (32-bit and 64-bit editions)

Included Files

The following files are included in driver package.

Installing and Uninstalling the Driver

These instructions explain how to install/uninstall the USB filter driver:

Note:  For driver installation, you must log in as administrator or have administrator rights for your domain login.

The driver can be installed either by running the CIM installer or by right clicking the inf file and selecting install.

1.      Install/Uninstall Using INF File

To install

1.              Right-click on the usbfilter.inf file, and then select Install.

2.              When installation is complete, reboot the computer.

Note: Using the above installation method will cause the Device Manger to show Usbfilter.sys to be unsigned. This is Device Manger issue and the driver is WHQL signed. If the driver is not WHQL signed, Windows will give a warning while installing the driver.

To uninstall

1.              Open the registry and scroll down to:

HKLM\System\CCS\Control\Class\{36FC9E60-C465-11CF-8056-444553540000}

2.              Remove usbfilter from UpperFilter.

3.              Open the HKLM\System\CCS\Services  registry and delete the usbfilter key.

4.              Delete usbfilter.sys from:

          \%system32%\drivers

5.              Reboot the computer.

2.      Using Catalyst Install Manager

You can install/uninstall the driver by running the CIM installer. This method will correctly show the driver as WHQL certified in the Device Manager.

Troubleshooting

If you encounter any problems, uninstall the driver and reboot the computer.

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