Dell Support Drivers & Downloads Driver File Formats

Driver Details

Dell Server System BIOS, A01
PowerEdge SC420, BIOS, A01
Release Date 7/22/2005
Importance: Optional
Version: A01

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: 585KB

Previous Versions

No previous version available.


PowerEdge SC420, BIOS, A01

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.


PowerEdge SC 420
Operating Systems
Not Applicable

Applies to

  • Dell Device
  • Server System BIOS

Fixes & Enhancements

The following changes have been made to the A00 to create the A01: 1. Corrected SMBIOS reporting of high speed CPUs 2. Improved boot list management 3. Improved setup handling of 'ESC' key 4. Added a warning when changing the SATA controller mode 5. Corrected password entry on international keyboards 6. Corrected SMBIOS reporting of PCI-Express slots 7. Added support for newer CPUs 8. Improved USB hotplug detection 9. Clarified diskette drive failure message 10. Improved remote wake support 11. Added support for USB remote control devices that respond as keyboards 12. Improved PCI address space allocation 13. Added failure handling if installed video card incompatible with setup 14. Improved support for PCMCIA devices 15. Fixed a problem with very small hard drives (under 528MB) not working 16. Improved detection of PATA optical devices 17. Improved BIOS flash update support 18. Corrected parity errors in the simple boot flag byte

Installation instructions

Custom Instructions for SC420A01.EXE: 

BIOS Soft Instructions:

1. Click the "Download  Now" link to download the file.
2. If the Export Compliance Disclaimer window appears, click the "I agree" link to accept the agreement.
3. When the BIOS flash utility has completed you will be prompted to restart your computer. Click Yes..

Flashing the BIOS:
1. Browse the location where you have downloaded the file and double click the new file to run the BIOS flash program.
2. The BIOS flash utility window appears, click continue. 
3. When the BIOS flash utility has completed you will be prompted to restart your computer. Click Yes. 
4. BIOS flash Compete.            


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