QDI (Speed Easy) P51430VX/250DM Explorer II BIOS V3.5S Driver Download

Download the latest version of the P51430VX/250DM Explorer II BIOS V3.5S driver for your computer's operating system. Visitors have downloaded this file "VX2_v35s.zip" 667 times with an aggregate rating of 4 out of 5 stars based on 16 reviews. The total disk space used for this update is 131.7 KB.

16 Ratings (see all reviews)

Supported Models

P51430VX/250DM Explorer II BIOS V3.5S


QDI (Speed Easy)

Supported Operating Systems

Not Applicable

File Name


V 3.5s

Additional Notes

It has FLASH.exe File to do update of the bios. Make sure to read the readme file with the instructions.

Uploaded By

EMINS (DG Member) on 31-Oct-2004

Most Helpful Reviews

4 of 5 people found the following review helpful:
John Genart

17 Jan 2006

Installation: 3 out of 5
Stability: 1 out of 5
Compatibility: 1 out of 5
"The BIOS upgrade failed - that is - it did complete but the board unfortunately could no longer boot after the upgrade. The board was destroyed."
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See all QDI (Speed Easy) P51430VX/250DM Explorer II BIOS V3.5S ratings and reviews

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
Readme.txt 1.1 KB 31 Oct 2004
VX2_v35s.bin 131.1 KB 9 Jul 1997
FLASH.EXE 72.3 KB 31 Oct 2004

How to Update P51430VX/250DM Explorer II BIOS V3.5S Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the P51430VX/250DM Explorer II BIOS V3.5S 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 QDI (Speed Easy) P51430VX/250DM Explorer II BIOS V3.5S 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 Driver Update Utility for QDI (Speed Easy) P51430VX/250DM Explorer II BIOS V3.5S. It is a software utility which automatically finds and downloads the right driver.

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.

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