Adaptec USB 2.0 Upgrade Kit Driver Download (Official)

Adaptec Drivers

The USB 2.0 Upgrade Kit is a USB device manufactured by Adaptec. This driver can help resolve issues like USB device not recognized, "Disk Not Formatted" errors, or if your device randomly ejects or stops working. This driver - "usb2_win_drv_v31a.exe" - has been downloaded 386 times and is rated 5 out of 5 stars based on 23 reviews. It has been installed successfully by our users on PCs running Windows XP. The total disk space used for this update is 166.9 KB.

23 Ratings

Supported Models

USB 2.0 Upgrade Kit

Adaptec AUA-0100LP PCI to USB Enhanced Host Controller

Adaptec AUA-0200LP PCI to USB Enhanced Host Controller

Adaptec AUA-1000LP PCI to USB Enhanced Host Controller

Adaptec AUA-1100LP PCI to USB Enhanced Host Controller

Adaptec AUA-1200LP PCI to USB Enhanced Host Controller

Adaptec AUA-1420 CardBus USB Enhanced Host Controller



Supported Operating Systems

Windows XP, Windows 2000, Windows ME, Windows 98

File Name

Versions (2002-11-14) via .inf

Additional Notes

USB 2.0 Driver version 3.1 for Windows

Adaptec's USB 2.0 drivers allow your Adaptec USB2connect, DuoConnect and XHub products to work with USB 2.0 devices at speeds up to 480 megabits per second. These drivers are 100% compatible with all USB 1.1 devices as well. Please read the included README file for the latest technical enhancements and limitations of these drivers.

Uploaded By

Rajesh (DG Staff Member) on 1-Jun-2004

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
Readme.txt 10.4 KB 12 Dec 2002
aucbpnp.exe 139.3 KB 14 Nov 2002
ausbccgp.sys 17.0 KB 14 Nov 2002
aehcd.sys 42.5 KB 14 Nov 2002
ausb2hub.sys 24.9 KB 14 Nov 2002
adptusb2.inf 13.5 KB 14 Nov 2002
ausbd.sys 23.1 KB 14 Nov 2002
aucbcfg.sys 5.4 KB 14 Nov 2002
AUCBHLPR.VXD 11.4 KB 14 Nov 2002

How to Update USB 2.0 Upgrade Kit Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the USB 2.0 Upgrade Kit driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Adaptec USB 2.0 Upgrade Kit into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the Adaptec Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.

To find the newest driver, you may need to visit the Adaptec website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.

How to Open Device Manager

  • In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager

  • In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager

  • In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager

  • In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager

  • In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button

How to Install a driver from Device Manager

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. Click the Update Driver button and follow the instructions.

In most cases, you will need to reboot your computer in order for the driver update to take effect.

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

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

This website is not affiliated with Adaptec. All company names/logos are properties of their owners.
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