NEC LC1400 Service & Reference Manual page 76

Jumper Block
A. BMC Boot Block
Write Protect
B. BMC Forced
Update Mode
C. BIOS Boot Block
Write Protect
D. Recovery Boot
E. Password Clear
F. CMOS Clear
G. Reserved
System Board Jumper Summary
Pins (default What it does at system reset
in bold)
9-10, Protect
BMC boot block is write protected.
10-11, Erase BMC boot block is erasable and programmable.
5-6, Normal
System boots normally.
6-7, Program System tries to update BMC firmware.
1-2, Protect
BIOS boot block is write-protected.
2-3 Erase BIOS boot block is erasable and programmable.
9-10, Normal System attempts to boot using the BIOS stored in
flash memory.
10-11, BIOS attempts a recovery boot, loading BIOS code
Recovery from a floppy diskette into the flash device. This is
typically used when the BIOS code has been
corrupted.
5-6, Protect Maintains the current system password.
6-7, Erase Clears the password.
1-2, Protect Preserves the contents of NVRAM.
2-3, Erase Replaces the contents of NVRAM with the
manufacturing default settings.
1-2, Disabled Required on factory default.
Configuring Your System 3-25