NEC EXPRESS 5800 ES1400 SERIES Online Service Manual page 56

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 in bold)
9-10, Protect
10-11, Erase
5-6, Normal
6-7, Program
1-2, Protect
2-3 Erase
9-10, Normal
10-11, Recovery
5-6, Protect
6-7, Erase
1-2, Protect
2-3, Erase
1-2, Disabled
What it does at system reset
BMC boot block is write protected.
BMC boot block is erasable and programmable.
System boots normally.
System tries to update BMC firmware.
BIOS boot block is write-protected.
BIOS boot block is erasable and programmable.
System attempts to boot using the BIOS stored in flash memory.
BIOS attempts a recovery boot, loading BIOS code from a floppy
diskette into the flash device. This is typically used when the
BIOS code has been corrupted.
Maintains the current system password.
Clears the password.
Preserves the contents of NVRAM.
Replaces the contents of NVRAM with the manufacturing default
settings.
Required on factory default.
Configuring Your System 3-23