NEC LS2400 User Manual page 67

Jumper Function
A CMOS clear
B Password clear
C Recovery Boot
D Boot Block Write
Protect
E FRB Timer Enable
F Chassis Intrusion
Detection
G BMC Forced Update
Mode
H Reserved
J Reserved
System Board Jumper Summary
Pins (default in What it does at system reset
bold)
1-2, Protect Preserves the contents of NVRAM.
2-3, Erase Replaces the contents of NVRAM with
the manufacturing default settings.
5-6, Protect Maintains the current system
password.
6-7, Erase Clears the password.
9-10, Normal System attempts to boot using the
BIOS stored in flash memory.
10-11, Recovery 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.
13-14, Protect BIOS boot block is write-protected.
14-15 BIOS boot block is erasable and
Erase/Program programmable.
1-2, Enable FRB operation is enabled (system boots
from processor 1 if processor 0 fails).
2-3, Disable FRB is disabled.
5-6, Enable Switch installed on chassis indicates
when cover has been removed.
6-7, Disable Chassis intrusion switch is bypassed.
9-10, System boots normally
10-11 System tries to boot BMC firmware.
2-3 Required. Do Not Change
1-2 Required. Do Not Change
Configuring Your System 3-27