JUMPERS AND CONNECTORS MAINBOARD JUMPERS
5-3
Mainboard Jumpers
Figure 5-2. Mainboard Jumpers
Table 5-2: User-Accessible Jumpers
J
UMPER
L
OCATION
DEFAULT
S
ETTING
FUNCTION
J30 1-2
PASSWORLD CLEAR
1-2 : NORMAL
2-3 : PASSWORD CLEAR
J16 1-2
PLD DEBUG MODE
1-2 : DISABLE DEBUG MODE
2-3 : ENABLE DEBUG MODE
J28 1-2
CMOS CLEAR
1-2 NORMAL RTC 2-3 CLR
RTC REGISTERS
J26 1-2
BIOS RECOVERY MODE
1-2 : NORMAL OPERATION
2-3 : RECOVER BIOS
J29 1-2
ME FIRMWARE UPDATE
1-2: NORMAL MODE
2-3: ME IN FORCE UPDATE MODE
J25 1-2
QPI SLOW MODE SELECTION
1-2 : QPI FAST MODE
2-3 : QPI SLOW MODE (66MT/s)
J1E2 Non-Pop
FORCE IBMC UPDATE
Non-pop: NORMAL MODE
1-2 : FORCE UPDATE MODE
J22 Non-Pop
IBMC DISABLE
Non-pop: NORMAL MODE
1-2 : DISABLE BMC