TYAN (TX46B4985) Driver Download (Official)

Tyan Drivers

The (TX46B4985) is a network device manufactured by Tyan. Issues like weak Wi-Fi signal, slow DNS lookup, duplicate IP addresses, slow network and excessive CPU usage can be solved by updating this driver. This version of "NVIDIA_LAN_CK804-Pro_v67.89_XP_64.zip" is rated (5 out of 5 stars) based on 34 downloads and 9 reviews. The uploader reports that this update will work successfully on PCs running Windows XP. The total disk space used for this update is 620.6 KB.

9 Ratings

Supported Models

TYAN (TX46B4985)

NVIDIA Network Bus Enumerator

NVIDIA nForce Networking Controller

TYAN (VX50B4985)

Thunder n4250QE (S4985)

Thunder n4250QE (S4985-E)

Thunder n4250QE (S4985-SI)




Supported Operating Systems

Windows XP (64 bit)

File Name


67.89 (11-Mar-2010)

Additional Notes

Server Platforms

5U Server Barebones

NVIDIA CK804 Pro - Marvell PHY 88E1111 LAN Driver File

Uploaded By

Gitanjali (DG Staff Member) on 25-Dec-2010

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
bdco1.dll 13.3 KB 1 Aug 2008
fdco1.dll 220.2 KB 1 Aug 2008
nvconrm.dll 135.7 KB 29 Jul 2008
nvefd64A.inf 20.0 KB 21 Aug 2008
nvefdxp.sys 76.5 KB 1 Aug 2008
nvenetfd.cat 13.1 KB 22 Aug 2008
nvenetfd.tag 6 bytes 12 Mar 2008
nvnbd64a.inf 4.2 KB 21 Aug 2008
nvnetbus.cat 13.9 KB 22 Aug 2008
nvnetbus.sys 34.3 KB 1 Aug 2008
nvnetbus.tag 6 bytes 12 Mar 2008
nvnrm.nvu 6.0 KB 29 Jul 2008
nvnrm.sys 1.5 MB 1 Aug 2008
nvphy.bin 5.0 KB 8 Jul 2008
nvunrm.exe 494.6 KB 29 Jul 2008

How to Update TYAN (TX46B4985) Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the TYAN (TX46B4985) 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 TYAN (TX46B4985) 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 Tyan 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 Tyan 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 Tyan. All company names/logos are properties of their owners.
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