Biostar NF4UL-A9 Driver Download (Official)

Biostar Drivers

The NF4UL-A9 is a disk drive controller manufactured by Biostar. This driver fixes problems with drive not found, slow or unreliable data transfer, intermittent connection or hardware conflicts. This version of "pataraid_xp_637.exe" has been downloaded 25 times with a user rating of 5 out of 5 stars, based on 10 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 325.1 KB.

10 Ratings

Supported Models


NVIDIA nForce(tm) RAID Class Controller

NVIDIA nForce(tm) RAID Class Device

NVIDIA nForce3 250 Parallel ATA Controller

NVIDIA nForce3 250 Serial ATA Controller

NVIDIA nForce4 ADMA Controller

NVIDIA nForce4 Parallel ATA Controller




Supported Operating Systems

Windows XP

File Name


5.10.2600.0479 (11-Dec-2007)
5.10.2600.0479 (2004-12-07) via .inf

Additional Notes


Serial ATA RAID Driver File

Uploaded By

Manivannan (DG Staff Member) on 12-Aug-2008

How to Update NF4UL-A9 Device Drivers

Step 1 - Download Your Driver

To get the NF4UL-A9 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 Biostar NF4UL-A9 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 Biostar 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 Biostar website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

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:

  1. Right-click the Start button

  2. Select "Device Manager" from the menu

  3. Locate the device needing the update

  4. Right-click the device and choose "Update driver"

  5. 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.

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
NvAtaBus.sys 87.9 KB 7 Dec 2004
disk1 5 bytes 10 Nov 2004
idecoi.dll 295.4 KB 7 Dec 2004 8.8 KB 13 Dec 2004
nvatabus.inf 3.9 KB 12 Dec 2004
nvcoi.dll 32.3 KB 29 Oct 2004
nvide.nvu 750 bytes 25 Sep 2004 8.8 KB 13 Dec 2004
nvraid.inf 2.5 KB 7 Dec 2004
nvraid.sys 68.6 KB 7 Dec 2004
nvraidco.dll 17.4 KB 7 Dec 2004
nvuide.exe 176.1 KB 29 Oct 2004
txtsetup.oem 4.6 KB 10 Nov 2004
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