Dell Support Drivers & Downloads Driver File Formats

Driver Details

Link
Dell Precision System BIOS, A04
Precision 450 A04 System BIOS
Release Date 5/28/2004
Importance: Optional
Version: A04

The following formats are available for the file you have selected

File Format: Floppy Download File Download File
File Name:

BR75134.exe

Description: This file contains a compressed (or zipped) set of files. Download the file to a folder on your hard drive, then double-click it to unzip the set of files. Follow the instructions to complete the installation.
Download Type: HTTP
File Size: 513KB

File Format: Hard-Drive Download File Download File
File Name:

R75134.exe

Description: This file contains a compressed (or zipped) set of files. Download the file to a folder on your hard drive, and then run (double-click) it to unzip the set of files. Follow the instructions to complete the installation.
Download Type: HTTP
File Size: 2MB

File Format: Non-Packaged Download File Download File
File Name:

WS450A04.EXE

Description: This file format consists of a BIOS-executable file. To use it, download the file and copy it to a DOS-bootable USB flash drive, then boot the system to the USB flash drive and run the program.
Download Type: HTTP
File Size: 329KB

Previous Versions

No previous version available.

Description

Precision 450 A04 System BIOS

Level of Importance:Optional

Dell recommends the customer review specifics about the update to determine if it applies to your system. The update contains changes that impact only certain configurations, or provides new features that may/may not apply to your environment.

Compatibility

Systems
Precision 450
Operating Systems
BIOS

Applies to

  • Dell Device

Fixes & Enhancements

The following changes have been made to A03 BIOS to create A04: * Fixed problem resuming from S3 Stand by. * Fixed missing drive issue after booting to CDROM drive. * Updated processor microcodes. * Improved USB keyboard and mouse emulation. * Fixed BIOS logo display problem on certain video cards. * Fixed POST hot-key reboot persistence problem. * Updated USB code to fix system hangs with some USB multi-function printers, USB disk keys and USB CD-ROM drives. Improved USB boot operations for USB devices. Fixed USB bulk transfer end point checking. Enhanced USB support in Manufacturing. * Fixed possible configuration error under Windows with some video cards that have a PCI to PCI bridge. * Fixed possible issue with the auto-power-on WEEKDAYS function of SETUP. * Insure a successful PXE boot results in diag LED pattern GGGG instead of GGGY. * Improved SMART error message reporting. * Prevent issue when power button override shutdown while in S3 Standby. * Added support for Energy Star configuration.

Installation instructions

            

Important Information
  • The Floppy Format is recommended for most users. Floppy format creates a bootable self-extracting disk.
  • The Non-packaged Format is intended for advanced users that only require the bootable disk.
Installation Instructions Floppy Format Creating the disk:
This procedure requires one blank, formatted 3.5-inch floppy disk. Label the disk BIOS.
  1. Click Download now from the Download and install section, to begin.
    The File Download window appears.
  2. Click Save this program to disk.
  3. In the Save in: section, click the down arrow and click to select Desktop as the location then click Save.
  4. When the file download is complete, click Close button.
    Close all open windows.
  5. Double-click the down loaded file WS450A04.EXE on your Desktop.
    If the Security Warning window appears, click Yes.
  6. Click the Setup button.
    A black MS-DOS window appears.
  7. Press the key.
  8. Insert a formatted floppy disk in the floppy disk drive and press the key.
  9. Press the key to begin copying files.
    The message End of the disk set appears.
  10. Press the key.
  11. Click the Start button,
  12. Click the Run button.
  13. Type a: in the Open box and click OK.
    A list of files on the floppy disk appears.
  14. Close all open windows and leave the disk in the floppy drive.
    Skip to the section Flashing the BIOS below.

If you are creating this disk on another computer, remove the disk. Then insert it into the system that needs the BIOS flashed, and resume the procedure.

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Non-Packaged Format

Creating the disk:
This procedure requires one blank, formatted 3.5-inch floppy disk. Label the disk BIOS.
  1. Click Download now from the Download and install section, to begin.
    The File Download window appears.
  2. Click Save this program to disk.
  3. In the Save in: section, click the down arrow and click to select Desktop as the location then click Save.
  4. When the file download is complete, click Close button.
    Close all open windows.
  5. Insert a blank, bootable, formatted 3.5-inch floppy disk.
  6. Right-click the downloaded file, point to Send Tothen click to select 3 1/2 Floppy (a), and skip to the section Flashing the BIOS
    below.

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Flashing the BIOS

NOTICE:
Changing the system BIOS may result in unintended side affects, such as incompatibility of the new BIOS with installed hardware. If problems arise after a BIOS change, it may be necessary to return the system to the original version of the BIOS.
  1. If you are flashing the BIOS on a portable computer, be sure that the AC adapter is plugged in and the computer is not operating on battery power.
  2. Ensure that the Flash BIOS disk is inserted into the floppy disk drive.
  3. Click the Start button, click Shut Down, click Restart, then click OK.

  4. The computer will restart and boot to the floppy disk.
NOTE:
If the flash BIOS

Checksum

To ensure the integrity of your download, please verify the checksum value.

This is an optional process and is not required for the downloading and installation of device drivers from this site.
MD5:
Not Available
R75134.exe
SHA1:
Not Available
R75134.exe
SHA-256:
Not Available
R75134.exe

By downloading, you accept the terms of the Dell Software License Agreement.