Dell Inspiron 4000 Laptop System BIOS Update A23

Date Added: Aug 2010 / OS: Windows / File Size: 2 MB / Publisher: Dell

Issues Fixed:

Fixed issue in which ISA devices could not be manually reconfigured to use IRQ 10 in Device Manager.
Fixed issue in which some bootable CDs do not boot.
Fixed issue in which the system may hang or unexpectedly reboot with Boot Speed set to Compatible and USB Legacy enabled.
Improved accuracy of the battery discharge rate reported to ACPI for purposes of calculating battery time remaining.
Fixed issue in which the user may need to suspend touchpad and trackstick use for several seconds before either device will respond.
Fixed issue in which some external serial port devices attached to the system may detect a break or framing error when the operating system loads.
Fixed issue in which certain CD-ROM, DVD and CD-RW drives installed in the system modular bay may increase the amount of time required to wake from Standby under Windows 2000 and Windows XP.
Fixed issue in which the system may reboot when certain DVD drives are inserted into the system modular bay after resuming from Standby.
Fixed issue in which USB devices may be disabled if multiple devices on the same bus are reset at the same time.
Fixed issue where a Secondary display may not display after a resume from disk under APM operating systems.
Fixed issue seen under APM operating systems in which the system may hang after resuming from a re-suspend due to entering an incorrect BIOS or hard disk drive password.
Fixed system hang seen when the user suspends the system using the Sleep Button () then closes the lid and resumes after warm docking to a docking station with a CRT attached.
Fixed problem where PXE booting may not connect to a RIS server.
Fixed intermittent issue in which the system may fail to complete POST with AC power attached and a fully discharged battery installed.
Fixed issue seen under Windows NT 4.0 in which a BIOS or hard disk drive password screen would not be visible during resume from suspend.
Fixed issue in which certain USB CF and SmartMedia card readers are not detected after a cold reboot.

Enhancements:

Replaced with as the hotkey used to exit the One Time Boot Menu screen.
The ATI M3 video BIOS has been upgraded to version 4.100.

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