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 Latitude C800 System BIOS, A23

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.
Dell Latitude C800 A23 System BIOS
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Fixes & Enhancements

BIOS Release Notes

Systems: Dell Latitude C800 (Memory location F000:E845)
Version: A23 (Memory location F000:E842)
Build Date: 01/21/04 (Memory location FFFF:0005)

*********************************************************************
** IMPORTANT NOTES FOR THIS RELEASE **

1. Windows 2000 users with systems equipped with ATI video
controllers must also download and install the A10 video driver
(R54215.EXE) when upgrading to this BIOS. Failure to do so may
prevent the LCD panel from to turning on when opening the lid
after suspending the system by closing the lid.

2. Windows ME users must also download and install the OS Update
utility for Windows ME (OSUPA00.EXE) when upgrading to this BIOS
version. Failure to do so may prevent the system or peripherals
from functioning properly.

*********************************************************************

The following updates were made to the A22 BIOS to create A23:

Enhancements:
1. Optimized the thermal control algorithm.

The BIOS release has been validated on the following operating systems:
1. Microsoft Windows 2000 ACPI
2. Microsoft Windows NT 4.0 SP5
3. Microsoft Windows XP

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Read More

Version

A23, A23

Release date

22 Jan 2004

Download Type

System BIOS

Category

BIOS

Importance

Recommended
Dell Technologies recommends applying this update during your next scheduled update cycle. The update contains changes to maintain overall system health. It ensures that the system software remains current and compatible with other system modules (firmware, BIOS, drivers, and software) and may include other new features.
Available formats

File Format: ZipPack External
File Name: A23-C800.exe
File Size: 2.98 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format 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.
To ensure the integrity of your download, please verify the checksum value.
MD5:
Not available
SHA1:
Not available
SHA-256:
Not available

File Format: One or more self extracting disk images inside of a self extracting zip
File Name: C800-A23.exe
File Size: 1.36 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format 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.
To ensure the integrity of your download, please verify the checksum value.
MD5:
Not available
SHA1:
Not available
SHA-256:
Not available

File Format: Flash BIOS executable
File Name: C800_A23.exe
File Size: 345.98 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. 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.
To ensure the integrity of your download, please verify the checksum value.
MD5:
Not available
SHA1:
Not available
SHA-256:
Not available

File Format: A text file containing customer friendly fixes and enhancements information
File Name: C800_A23.TXT
File Size: 30.95 KB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file format contains plain text which can be viewed with a standard text editor.
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

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Floppy Disk Boot to Disk for C800-A23.exe

Download

1. Click Download Now, to download the file.
2. When the File Download window appears, click Save (Windows XP users will click Save) this program to disk and click OK. The Save In:
window appears.
3. From the Save In: field, click the down arrow then click to
select Desktop and click Save. The file will download to your desktop.
4. If the Download Complete window appears, click Close. The file
icon appears on your desktop.

Hard Drive Floppy Disk Creation

1. Get 1 blank, formatted floppy disks.
2. Double-click the new icon (it looks like a floppy diskette) on
the desktop. The Self-Extractor window appears.
3. Click Setup. An black MS-DOS window appears with a message
indicating that you need 1 floppy diskettes.
4. Press the [ENTER] key.
A message appears prompting you to insert a blank floppy diskette.
5. Insert a floppy disk into the floppy disk drive.
6. Press the [ENTER] key. A message appears indicating that all
data on the disk will be erased.
7. Press the [y] key and then press the [ENTER] key.
The files are copied to the floppy diskette. If the procedure requires
more than one diskette, repeat steps 5 – 7 until you reach the end of the diskette set.
8. After all the files have been copied to the last floppy disk,
press the [ENTER] key and the MS-DOS window closes.

Install

1. Insert the first (or the only) disk of the set into the Floppy
drive.
2. Click Start, click Shutdown, click Restart, and then click OK.
Windows XP Users need only click restart.
3. Follow the on-screen instructions.





Custom Instructions for C800_A23.exe:

Important Information:
The Non-packaged format is intended for advanced users that only
require the executable and do not require a bootable self-extracting
disk be created for them. All other users should download the Floppy
format, which creates a bootable self-extracting disk.


Instructions:
This file format consists of a BIOS executable file. To use it, download
the file and copy it to a DOS-bootable diskette. With the diskette in the
floppy drive, reboot the system and run the program.





Bios_Win_exe the hard drive format



Installation Instructions


The file C800_A23.TXT is using the Hard Drive format and is designed to be directly executed from Windows environments.




  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.




  6. Double click the Icon on your desktop labeled C800_A23.TXT.

    The Dell Bios Txt window appears












Custom Instructions for A23-C800.exe:

Floppyless Installation (via WinZip) for A23-C800.exe

Download
1. Click the location, e.g. Americas, from which you want to
download the file.
2. If the Export Compliance Disclaimer window appears, click
Yes, I Accept this Agreement.
3. When the File Download window appears, click Save this
program to disk and click OK. The Save In window appears.
4. From the Save In drop-down menu, click to select Desktop
and then click Save. The file will download to your desktop.
5. If a Download Complete window appears, click Close. A
new icon appears on your desktop.

Install
1. Double-click the new icon on the desktop labeled A23-
C800.exe.
2. The Self-Extractin

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