Legacy BIOS update packages are for older Dell models. Some command line options may not be available on all Dell legacy BIOS update packages.
Some options are only valid when the update package is executed in Windows and some options are only valid when the update package is executed from DOS media. Common options across most legacy BIOS updates when run in Windows:
Other options are listed below.
The options can be invoked with either / or - characters.
To silently update a system and prevent an automatic reboot:
To silently update a system and allow an automatic reboot:
Legacy BIOS update packages do not support specifying a BIOS password when a BIOS password is already set on a system. Instead the BIOS password must be cleared using the Dell Client Configuration Toolkit (CCTK).
To clear the BIOS password before executing the BIOS update:
To set the BIOS password back after executing the BIOS update:
If a system boot password is set, then use --syspwd and --valsyspwd instead.
The update package returns a value of 0 when the update executes successfully and non-zero when a failure occurs. However, the actual BIOS update operation does not occur until the system reboots. To determine success of the actual update operation, use CCTK's --completioncode option. See the CCTK BIOS Completion Codes page for more information.