The AUA-3121 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 version of "usb2_win_drvm_v21.exe" is rated (5 out of 5 stars) based on 34 downloads and 4 reviews. Compatibility for this driver update includes PCs running Windows operating systems such as Windows XP. The total disk space used for this update is 2.9 MB.
AUA-3121
Adaptec AUA-1420 CardBus USB Enhanced Host Controller
Adaptec AUA-2000LP PCI to USB Enhanced Host Controller
Adaptec AUA-2200LP PCI to USB Enhanced Host Controller
Adaptec AUA-3100LP PCI to USB Enhanced Host Controller
Adaptec AUA-3121 PCI to USB Enhanced Host Controller
Adaptec AUA-3200LP PCI to USB Enhanced Host Controller
Windows XP, Windows 2000, Windows ME, Windows 98SE
2.1.3000.2000 (2002-01-16) via .inf
USB 2.0 Driver version 2.1 and Manual Package for Windows
Rajesh (DG Staff Member) on 1-Jun-2004
To get the AUA-3121 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 AUA-3121 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.
After downloading the new driver, proceed with installation. On Windows, use the built-in Device Manager utility to manage your system's devices and drivers. To access it:
Right-click the Start button
Select "Device Manager" from the menu
Locate the device needing the update
Right-click the device and choose "Update driver"
Follow the on-screen prompts to install
Once complete, restart your computer to ensure the new driver is fully implemented and functioning properly.
This process helps maintain your system's performance and compatibility with various hardware components.
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.
The following files are found inside the driver download file.
Name | Size | Date |
---|---|---|
Readme.txt | 8.5 KB | 16 Jan 2002 |
aucbpnp.exe | 139.3 KB | 16 Jan 2002 |
aehcd.sys | 34.3 KB | 16 Jan 2002 |
ausb2hub.sys | 24.4 KB | 16 Jan 2002 |
Documentation/usb2_win2k_driver_install.pdf | 788.8 KB | 14 Nov 2001 |
Documentation/usb2_winme_driver_install.pdf | 682.9 KB | 14 Nov 2001 |
Documentation/usb2_win98se_driver_install.pdf | 1.3 MB | 14 Nov 2001 |
adptusb2.inf | 6.3 KB | 16 Jan 2002 |
ausbd.sys | 22.4 KB | 16 Jan 2002 |
AUCBHLPR.VXD | 7.4 KB | 16 Jan 2002 |