NEC VERSA LXI - VERSION 10-2000 Manual page 77

Locate the dip switch block. Using a fine-tipped object, change switch 5 to "ON"
6.
to enable the BIOS flash.
the pencil can damage the system.
3-34 Using the BIOS Setup Utility
Never use a pencil to change switch settings. Residue from
BIOS flash switch enabled
Dip switches 2, 3, 4, and 5 set to "On."