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  • License: Freeware
  • Last update: 6 years ago
  • Total downloads: 37
  • Price: Free |
  • Operating system: Win All
  • Publisher: Dell (11145 other programs)
See full specifications

drivers default iconDell Latitude C540 Notebook BIOS A09 Publisher's description

Dell Latitude C540 Notebook BIOS A09

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.

Fixes and Enhancements
The following updates were made the A08 BIOS to create the A09 BIOS:

1. Fixed issue in which the system may display the following error
message after the BIOS is flashed using Floppy-less or Remote BIOS
Update: "The System ROM version and the Keyboard Controller ROM
2. Fixed issue where the system would fail to boot to an available CD-rom
drive if the system hard disk drive was not installed.
3. Fixed issue where an ACPI battery gauge may not report the correct
percent capacity.
4. Fixed issue under APM operating systems where the active display may
change after performing a suspend-to-disk with a CRT attached.

1. Added support for newer revisions of the Pentium 4 processor.
2. Added "Configure Passwords" field to the System Security page in
System Setup. This feature allows the system administrator
password to be used to prevent users from installing system or hard
disk drive passwords.
Additional Information
The BIOS release has been validated on the following operating systems:
1. Microsoft Windows NT 4.0
2. Microsoft Windows 98 Second Edition APM Only
3. Microsoft Windows 2000 ACPI
4. Microsoft Windows XP ACPI
Installation Instructions

Custom Instructions for C640_A09.exe:

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.
Custom Instructions for C640_A09.TXT:

This file format contains plain text which can be viewed with a standard
text editor.
Floppy Disk Boot to Disk for C640-A09.exe


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.


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

It is highly recommended to always use the most recent driver version available.

Do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games.

Try to set a system restore point before installing a device driver. This will help if you installed a wrong driver. Problems can arise when your hardware device is too old or not supported any longer.

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