Do not turn off your computer or disconnect from the power source while updating the BIOS as this could harm your computer. During the update, your computer will restart and you may briefly see a black screen.

Before updating, please read the installation instructions and important information noted below.

Dell Server System BIOS, A01

AUTO INSTALLED This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
PowerEdge SC420, BIOS, A01
Recommended

Find the best download for your system

Please enter your product details to view the latest driver information for your system

Search support

Enter your Dell Service Tag or model

Want to look up your product? Enter a product identifier. Show me how

This driver is not compatible

This driver is not applicable for the selected product. Choose another product to re-enter your product details for this driver or visit the Product Support page to view all drivers for a different product.

Find more updates. Use SupportAssist to find all the latest driver updates for your device.

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
Read More

Version

A01, A01

Release date

22 Jul 2005

Download Type

System BIOS

Category

BIOS

Importance

Optional
Dell Technologies recommends reviewing this update to determine if it applies to your system. The update contains changes that impact only certain configurations or provides new features that may or may not apply to your environment.
Available formats

File Format: CPG BIOS Executable for Windows/DOS
File Name: SC420A01.EXE
File Size: 585.16 KB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file format consists of a BIOS executable file. The Universal (Windows/MS DOS) format can be used to install from any Windows or MS DOS environment.
To ensure the integrity of your download, please verify the checksum value.
MD5:
Not available
SHA1:
Not available
SHA-256:
Not available

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

Additional details

Show All | Hide All
Server System BIOS
Custom Instructions for SC420A01.EXE:

BIOS Soft Instructions:


Download:
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.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting and usage guide.

Drivers help and tutorials