Dell Support Drivers & Downloads Driver File Formats

Driver Details

Dell Vostro 420/220/220s BIOS, 1.2.4
Vostro Desktop Platform BIOS
Release Date 1/26/2010
Importance: Recommended
Version: 1.2.4

The following formats are available for the file you have selected

File Format: Windows/DOS Download File Download File
File Name:


Description: This file format consists of a BIOS executable file. The Universal (Windows/MS DOS) format can be used to install from Windows XP, Windows 2000, NT, Windows 9X, Windows ME or a MS DOS environment.
Download Type: HTTP
File Size: 812KB

Previous Versions

No previous version available.


Vostro Desktop Platform BIOS

Level of Importance:Recommended

Dell recommends applying this update during your next scheduled update cycle. The update contains feature enhancements or changes that will help keep your system software current and compatible with other system modules (firmware, BIOS, drivers and software).


Vostro 220
Vostro 220s
Vostro 420
Operating Systems

Applies to

  • Dell Device

Fixes & Enhancements

Dell Inc. Copyright (C) 2009-2010, All Rights reserved. Systems: Dell Vostro Series Version: 1.2.4 Build Date: 12/30/2009 ================================================= 1. update MRC code.

Installation instructions

Custom Instructions for Vx20-124.EXE: 

Installation Instructions for the Universal (Windows/ DOS) format

  1. Download file to Desktop
  2. Use one of the methods below to flash the Bios.

Download file to Desktop
The file Vx20-124.EXE is using the Universal (Windows/ DOS) format and is designed to be directly executed from Windows environment.
  1. Click Download now.
    The File Download window appears.
  2. Click the Save button.
    The Save As window appears.
  3. Select Desktop using the drop-down menu to the right of Save in.
  4. Click the Save button.
    A progress meter moves as the download is completed.
  5. If necessary, click X in the upper right-hand corner of the Download Progress Window to close it upon completion.
NOTE: Shut down all other applications prior to running the BIOS update utility. The update utility reboots your system in order to get the new BIOS loaded.
Run the BIOS update utility from Windows environment
  1. Double click the Icon on your desktop labeled Vx20-124.EXE.
    The Dell BIOS Flash window appears
  2. Click the Continue button.
    The message Pressing OK will close all applications, shut down Windows, Flash the BIOS, then reboot. appears.
  3. Click the OK button.
    The system will restart and the BIOS Flash will be completed.
Run the BIOS update utility from DOS environment (Non-Windows users)

NOTE: You will need to provide a bootable USB key. This executable file does not create the DOS system files.
  1. Copy the file Vx20-124.EXE to a bootable USB key.
  2. Boot from the USB key to the DOS prompt.
  3. Run the file by typing Y:\Vx20-124.EXE (where y is the drive letter where the executable is located).


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