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Technical Reference 115
Server Board Jumpers
OM08429
WOL ENABLE
J4J2
J3J1
J2J1
BMC
WR EN
BMC FRC UP
INT DET
FRB
BIOS WR EN
RCVRY BOOT
PSWD CLR
CMOS CLR
J5A2
1
1
1
1
Figure 44. Jumper Locations
Table 11. Server Board Jumper Summary
Jumper Block Jumper Name Pins (default in bold) What it does at system reset
J5A2 WOL ENABLE 1-2, Disabled Disables Wake On LAN. If your power
supply does not provide 0.8 A of +5 V
Standby current, you must move the WOL
Enable jumper to this position.
2-3, Enabled Enables Wake On LAN.
J4J2 BMC WR EN 1-2, Protect BMC boot block is write protected.
2-3, Erase/Program BMC boot block is erasable and
programmable.
J3J1 FRB 1-2, Enable FRB operation is enabled (system boots
from processor 1 if processor 0 does not
respond).
2-3, Disable FRB is disabled.
J3J1 INT DET 5-6, Enable Switch installed on chassis indicates when
cover has been removed.
6-7, Disable Chassis intrusion switch is bypassed.
J3J1 BMC FRC UP 9-10, Normal System boots normally.
10-11, Program System attempts to update BMC firmware.
continued