BIOS for Latitude c540 and c640

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BIOS for Latitude c540 and c640

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Just bought these and wanted to make sure I had the most up to date BIOS.  Current one dates from 2004.

 

Any help greatly appreciated.

Verified Answer
  • A10 is the latest.

    Dell

    Copyright (C) 2004, All Rights reserved.

    www.dell.com

    BIOS Release Notes

    ===================================================================

    ===================================================================

    Systems:      Dell Latitude C640 Series (Memory location F000:E840)

    Version:      A10                       (Memory location F000:E842)

    Build Date:   01/12/04                  (Memory location FFFF:0005)

    The following updates were made to the A09 BIOS to create the A10 BIOS:

    Fixes:

    1.  Fixed issue where Celeron processors may always run throttled

       under Windows XP SP1.

    2.  Fixed issue where the operating system may report erroneous

       battery information if a battery swap is performed while the

       system is in Standby.

    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

    ===================================================================

    ===================================================================

    Systems:      Dell Latitude C640 Series (Memory location F000:E840)

    Version:      A09                       (Memory location F000:E842)

    Build Date:   05/15/03                  (Memory location FFFF:0005)

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

    Fixes:

    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.

    Enhancements:

    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.

    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

    ===================================================================

    ===================================================================

    Systems:      Dell Latitude C640 Series (Memory location F000:E840)

    Version:      A08                       (Memory location F000:E842)

    Build Date:   03/04/03                  (Memory location FFFF:0005)

    The following updates were made to the A07 BIOS to create the A08 BIOS:

    Fixes:

    1.  Fixed issue in which modular bay and dock media bay drives may not

       be recognized correctly by SMBIOS under ACPI operating systems.

    2.  Fixed poor modem and serial port connectivity under APM and ACPI

       operating systems.

    3.  Fixed issue in which System Setup displays the wrong capacity for

       hard disk drives larger than 65GB.

    4.  Fixed problem in which SMBIOS fails to notify Dell Open Manage

       Client Instrumentation of system fan failures.

    Enhancements:

    1.  Updated the Pre-boot System Assessment (PSA) diagnostics to build

       version 3009.

    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

    ===================================================================

    ===================================================================

    Systems:      Dell Latitude C640 Series (Memory location F000:E840)

    Version:      A07                       (Memory location F000:E842)

    Build Date:   01/24/03                  (Memory location FFFF:0005)

    The following updates were made to the A05 BIOS to create the A07 BIOS:

    Fixes:

    1.  Fixed problem where the Madge PCMCIA Token Ring card may cause the

       system to lockup under Windows 2000.

    2.  Fixed problem under Windows 2000 Service Pack 3 where a Matrox

       Millennium G450 PCI card installed in a C/Dock or C/DockII PCI slot

       would be listed in Device Manager with an error.

    3.  Fixed a problem with an erratic USB Mouse while running the Dell

       Diagnostic utilities.

    4.  Fixed problem where there may be slow device recognition for USB

       devices connected to HUBs during POST and while in use.

    5.  Fixed problem where the  hot-key will not respond under

       ACPI with AC attached and no batteries installed.

    6.  Fixed problem where the keyboard LED will remain on while running

       the Pre-boot System Assessment (PSA) diagnostics.

    7.  Fixed intermittent failure in which the BIOS password screen will

       appear blank when resuming from Standby.

    8.  Fixed problem where the USB signal strength would deteriorate when

       using 5 meter long cables.

    Enhancements:

    1.  Added support for newer Celeron processors.

    2.  Enhanced BIOS code support to allow Computrace Security Software to

       run more reliably.

    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

    ===================================================================

    ===================================================================

    Systems:      Dell Latitude C640 Series (Memory location F000:E840)

    Version:      A06                       (Memory location F000:E842)

    Build Date:   01/21/03                  (Memory location FFFF:0005)

    Never released

    ===================================================================

    ===================================================================

    Systems:      Dell Latitude C640 Series (Memory location F000:E840)

    Version:      A05                       (Memory location F000:E842)

    Build Date:   12/10/02                  (Memory location FFFF:0005)

    The following updates were made to the A04 BIOS to create the A05 BIOS:

    Enhancements:

    1.  Updated system name to include the word "Series" as displayed

       during BIOS POST and BIOS setup screen.

    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

    ===================================================================

    ===================================================================

    Systems:      Dell Latitude C640        (Memory location F000:E840)

    Version:      A04                       (Memory location F000:E842)

    Build Date:   11/05/02                  (Memory location FFFF:0005)

    The following updates were made to the A03 BIOS to create the A04 BIOS:

    Issues Fixed:

    1.  Fixed issue in which ISA devices could not be manually reconfigured

       to use IRQ 10 in Device Manager.

    2.  Fixed issue in which the system cannot enter Standby with a

       Simpletech Flash Card installed in the PCMCIA slot.

    3.  Fixed problem in which large file transfers using the serial

       port may fail.

    4.  Fixed issue in which some bootable CDs do not boot.

    5.  Decreased the amount of time required to wake from Standby

       under Windows XP.

    6.  Fixed erratic mouse behavior problem that may occur when using

       a USB mouse.

    7.  Fixed issue in which some external serial port devices attached to

       the system may detect a break or framing error when the OS loads.

    8.  Improved accuracy of the battery discharge rate reported to ACPI for

       purposes of battery time remaining calculations.

    9.  Fixed issue in which the user may need to suspend touchpad and

       trackstick use for several seconds before either device will respond.

    Enhancements:

    1.  Replaced  with  as the hotkey used to exit the One Time

       Boot Menu screen.

    2.  Improved battery status reporting algorithm to reduce time spent

       in SMM when updating the OS battery information.

    3.  Optimized the thermal management algorithm.

    4.  Added support for newer revisions of the Pentium 4 processor.

    5.  Updated the ATI M7 video BIOS to version 006.006.006.008.005.

    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

    ===================================================================

    ===================================================================

    Systems:      Dell Latitude C640        (Memory location F000:E840)

    Version:      A03                       (Memory location F000:E842)

    Build Date:   08/23/02                  (Memory location FFFF:0005)

    The following updates were made to the A02 BIOS to create the A03 BIOS:

    Issues Fixed:

    1.  Fixed bloom during DELLDIAG video test on Hitachi SXGA+ panel.

    2.  Fixed the issue in which ACPI OSes on a lid open event will

       resume the display to CRT only regardless of the system was

       in simul mode before the lid close event.

    3.  Fixed the issue in which throttling state is not properly

       set/returned for Intel SpeedStep Applet.

    Enhancements:

    1.  Added support for Pentium 4 C1 step processor.

    2.  Added BroadCom wireless Mini-PCI card detection.

    3.  Added support for new version of DELLDIAG interface.

    4.  Added EDIAGS LED pattern support.

    5.  Added Post Memory Manager.

    6.  Enabled CPU throttling in Max Battery mode.

    7.  Updated the thermal table.

    8.  Changed fan start PWM.

    9.  Changed maximum CPU speed in SMBIOS table.

    10. Changed the marketing name of video controller.

    11. Updated the ATI VBIOS version to 006.005.006.008.005.

    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

    ===================================================================

    ===================================================================

    Systems:      Dell Latitude C640        (Memory location F000:E840)

    Version:      A02                       (Memory location F000:E842)

    Build Date:   08/05/02                  (Memory location FFFF:0005)

    The following updates were made to the A01 BIOS to create the A02 BIOS:

    Issues Fixed:

    1.  Decreased the amount of time required to wake from Standby under

       Windows XP.

    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

    ===================================================================

    ===================================================================

    Systems:      Dell Latitude C640        (Memory location F000:E840)

    Version:      A01                       (Memory location F000:E842)

    Build Date:   06/19/02                  (Memory location FFFF:0005)

    The following updates were made to the A00 BIOS to create the A01 BIOS:

    Issues Fixed:

    1.  Fixed the issue in which W2K/XP hung at resume after warm-undock.

    The BIOS release has been validated on the following operating systems:

    1.  Microsoft Windows 98 Second Edition APM Only

    2.  Microsoft Windows 2000 ACPI

    3.  Microsoft Windows XP ACPI

    ===================================================================

    ===================================================================

    Systems:      Dell Latitude C640        (Memory location F000:E840)

    Version:      A00                       (Memory location F000:E842)

    Build Date:   06/12/02                  (Memory location FFFF:0005)

    Initial release of the BIOS

    Video BIOS is ATI 006.003.006.008.005

    The BIOS release has been validated on the following operating systems:

    1.  Microsoft Windows 98 Second Edition APM Only

    2.  Microsoft Windows 2000 ACPI

    3.  Microsoft Windows XP ACPI

    Report Unresolved Customer Service Issues here:

    Dell - Unresolved Customer Service Issues

    I do not work for Dell. I too am a user.

    The forum is primarily user to user, with Dell employees moderating.

All Replies
  • easy enough to find out

    go to http://support.dell.com

     

    my Dells:
    Precision M6300 - XP SP3 / Windows 7 / Ubuntu 12.04
    Latitude D620 - XP Pro SP3
    Precision M6300 - Windows 7

  • A10 is the latest - from January 2004.  That's probably around when the system went end of life.

  • A10 is the latest.

    Dell

    Copyright (C) 2004, All Rights reserved.

    www.dell.com

    BIOS Release Notes

    ===================================================================

    ===================================================================

    Systems:      Dell Latitude C640 Series (Memory location F000:E840)

    Version:      A10                       (Memory location F000:E842)

    Build Date:   01/12/04                  (Memory location FFFF:0005)

    The following updates were made to the A09 BIOS to create the A10 BIOS:

    Fixes:

    1.  Fixed issue where Celeron processors may always run throttled

       under Windows XP SP1.

    2.  Fixed issue where the operating system may report erroneous

       battery information if a battery swap is performed while the

       system is in Standby.

    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

    ===================================================================

    ===================================================================

    Systems:      Dell Latitude C640 Series (Memory location F000:E840)

    Version:      A09                       (Memory location F000:E842)

    Build Date:   05/15/03                  (Memory location FFFF:0005)

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

    Fixes:

    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.

    Enhancements:

    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.

    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

    ===================================================================

    ===================================================================

    Systems:      Dell Latitude C640 Series (Memory location F000:E840)

    Version:      A08                       (Memory location F000:E842)

    Build Date:   03/04/03                  (Memory location FFFF:0005)

    The following updates were made to the A07 BIOS to create the A08 BIOS:

    Fixes:

    1.  Fixed issue in which modular bay and dock media bay drives may not

       be recognized correctly by SMBIOS under ACPI operating systems.

    2.  Fixed poor modem and serial port connectivity under APM and ACPI

       operating systems.

    3.  Fixed issue in which System Setup displays the wrong capacity for

       hard disk drives larger than 65GB.

    4.  Fixed problem in which SMBIOS fails to notify Dell Open Manage

       Client Instrumentation of system fan failures.

    Enhancements:

    1.  Updated the Pre-boot System Assessment (PSA) diagnostics to build

       version 3009.

    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

    ===================================================================

    ===================================================================

    Systems:      Dell Latitude C640 Series (Memory location F000:E840)

    Version:      A07                       (Memory location F000:E842)

    Build Date:   01/24/03                  (Memory location FFFF:0005)

    The following updates were made to the A05 BIOS to create the A07 BIOS:

    Fixes:

    1.  Fixed problem where the Madge PCMCIA Token Ring card may cause the

       system to lockup under Windows 2000.

    2.  Fixed problem under Windows 2000 Service Pack 3 where a Matrox

       Millennium G450 PCI card installed in a C/Dock or C/DockII PCI slot

       would be listed in Device Manager with an error.

    3.  Fixed a problem with an erratic USB Mouse while running the Dell

       Diagnostic utilities.

    4.  Fixed problem where there may be slow device recognition for USB

       devices connected to HUBs during POST and while in use.

    5.  Fixed problem where the  hot-key will not respond under

       ACPI with AC attached and no batteries installed.

    6.  Fixed problem where the keyboard LED will remain on while running

       the Pre-boot System Assessment (PSA) diagnostics.

    7.  Fixed intermittent failure in which the BIOS password screen will

       appear blank when resuming from Standby.

    8.  Fixed problem where the USB signal strength would deteriorate when

       using 5 meter long cables.

    Enhancements:

    1.  Added support for newer Celeron processors.

    2.  Enhanced BIOS code support to allow Computrace Security Software to

       run more reliably.

    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

    ===================================================================

    ===================================================================

    Systems:      Dell Latitude C640 Series (Memory location F000:E840)

    Version:      A06                       (Memory location F000:E842)

    Build Date:   01/21/03                  (Memory location FFFF:0005)

    Never released

    ===================================================================

    ===================================================================

    Systems:      Dell Latitude C640 Series (Memory location F000:E840)

    Version:      A05                       (Memory location F000:E842)

    Build Date:   12/10/02                  (Memory location FFFF:0005)

    The following updates were made to the A04 BIOS to create the A05 BIOS:

    Enhancements:

    1.  Updated system name to include the word "Series" as displayed

       during BIOS POST and BIOS setup screen.

    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

    ===================================================================

    ===================================================================

    Systems:      Dell Latitude C640        (Memory location F000:E840)

    Version:      A04                       (Memory location F000:E842)

    Build Date:   11/05/02                  (Memory location FFFF:0005)

    The following updates were made to the A03 BIOS to create the A04 BIOS:

    Issues Fixed:

    1.  Fixed issue in which ISA devices could not be manually reconfigured

       to use IRQ 10 in Device Manager.

    2.  Fixed issue in which the system cannot enter Standby with a

       Simpletech Flash Card installed in the PCMCIA slot.

    3.  Fixed problem in which large file transfers using the serial

       port may fail.

    4.  Fixed issue in which some bootable CDs do not boot.

    5.  Decreased the amount of time required to wake from Standby

       under Windows XP.

    6.  Fixed erratic mouse behavior problem that may occur when using

       a USB mouse.

    7.  Fixed issue in which some external serial port devices attached to

       the system may detect a break or framing error when the OS loads.

    8.  Improved accuracy of the battery discharge rate reported to ACPI for

       purposes of battery time remaining calculations.

    9.  Fixed issue in which the user may need to suspend touchpad and

       trackstick use for several seconds before either device will respond.

    Enhancements:

    1.  Replaced  with  as the hotkey used to exit the One Time

       Boot Menu screen.

    2.  Improved battery status reporting algorithm to reduce time spent

       in SMM when updating the OS battery information.

    3.  Optimized the thermal management algorithm.

    4.  Added support for newer revisions of the Pentium 4 processor.

    5.  Updated the ATI M7 video BIOS to version 006.006.006.008.005.

    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

    ===================================================================

    ===================================================================

    Systems:      Dell Latitude C640        (Memory location F000:E840)

    Version:      A03                       (Memory location F000:E842)

    Build Date:   08/23/02                  (Memory location FFFF:0005)

    The following updates were made to the A02 BIOS to create the A03 BIOS:

    Issues Fixed:

    1.  Fixed bloom during DELLDIAG video test on Hitachi SXGA+ panel.

    2.  Fixed the issue in which ACPI OSes on a lid open event will

       resume the display to CRT only regardless of the system was

       in simul mode before the lid close event.

    3.  Fixed the issue in which throttling state is not properly

       set/returned for Intel SpeedStep Applet.

    Enhancements:

    1.  Added support for Pentium 4 C1 step processor.

    2.  Added BroadCom wireless Mini-PCI card detection.

    3.  Added support for new version of DELLDIAG interface.

    4.  Added EDIAGS LED pattern support.

    5.  Added Post Memory Manager.

    6.  Enabled CPU throttling in Max Battery mode.

    7.  Updated the thermal table.

    8.  Changed fan start PWM.

    9.  Changed maximum CPU speed in SMBIOS table.

    10. Changed the marketing name of video controller.

    11. Updated the ATI VBIOS version to 006.005.006.008.005.

    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

    ===================================================================

    ===================================================================

    Systems:      Dell Latitude C640        (Memory location F000:E840)

    Version:      A02                       (Memory location F000:E842)

    Build Date:   08/05/02                  (Memory location FFFF:0005)

    The following updates were made to the A01 BIOS to create the A02 BIOS:

    Issues Fixed:

    1.  Decreased the amount of time required to wake from Standby under

       Windows XP.

    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

    ===================================================================

    ===================================================================

    Systems:      Dell Latitude C640        (Memory location F000:E840)

    Version:      A01                       (Memory location F000:E842)

    Build Date:   06/19/02                  (Memory location FFFF:0005)

    The following updates were made to the A00 BIOS to create the A01 BIOS:

    Issues Fixed:

    1.  Fixed the issue in which W2K/XP hung at resume after warm-undock.

    The BIOS release has been validated on the following operating systems:

    1.  Microsoft Windows 98 Second Edition APM Only

    2.  Microsoft Windows 2000 ACPI

    3.  Microsoft Windows XP ACPI

    ===================================================================

    ===================================================================

    Systems:      Dell Latitude C640        (Memory location F000:E840)

    Version:      A00                       (Memory location F000:E842)

    Build Date:   06/12/02                  (Memory location FFFF:0005)

    Initial release of the BIOS

    Video BIOS is ATI 006.003.006.008.005

    The BIOS release has been validated on the following operating systems:

    1.  Microsoft Windows 98 Second Edition APM Only

    2.  Microsoft Windows 2000 ACPI

    3.  Microsoft Windows XP ACPI

    Report Unresolved Customer Service Issues here:

    Dell - Unresolved Customer Service Issues

    I do not work for Dell. I too am a user.

    The forum is primarily user to user, with Dell employees moderating.

  • Many thanks for the BIOS information.  Now up to date.