Intel BOXD850MVSE Quick Reference Manual page 23

The BIOS configuration jumper (J9H2) determines the operating mode of the
BIOS Setup Program and enables BIOS recovery in the event of a failed
BIOS update. The following table describes the jumper settings for the BIOS
Setup configuration jumper.
Normal
1
(default)
3
Configure
1
3
Recovery
1
3
To disable the audio interface, select the Peripheral Configuration Submenu
under the Advanced Menu, then set Audio Device to "Disabled."
To disable the LAN interface, select the Peripheral Configuration Submenu
under the Advanced Menu, then set LAN Device to "Disabled."
You can find a complete list of the latest BIOS Setup settings in the Intel
Desktop Boards D850MD and D850MV Product Guide or on the Intel World
Wide Web site at:
http://support.intel.com/support/motherboards/desktop
The BIOS uses the current configuration and
passwords for booting.
After the Power-On Self-Test (POST) runs, the
BIOS displays the Maintenance Menu. Use this
menu to clear passwords.
The BIOS recovers data from a recovery diskette
in the event of a failed BIOS update. To update or
recover the BIOS, see the instructions in the
on the Intel Express Installer CD-ROM.