Table 24. System board jumpers and connectors (continued)
Item
Connector
Description
2
Slot 2: PCIe_G4_X16 CPU
PCIe card connector 2
3
Slot 3: PCIe_G3_X1 PCH
PCIe card connector 3
4
Slot 4: PCIe_G3_X4 PCH
PCIe card connector 4
5
T_INTRUSION
Intrusion connector
6
SYSTEM FAN
System cooling fan connector
7
CPU
Processor socket
8
PWR_CPU 1
CPU power connector P2
9
A3, A1, A4, A2
Memory module sockets
10
PWR_SYSTEM 1
System power connector P1
11
PWR_EVENT1
Power event
12
SATA_ODD/HDD 4
Optical disk drive connector
13
SATA 0-3
Mini SAS connector
14
BOSS_PWR
BOSS power connector
15
SL2_PCH_PA2
BOSS signal connector
16
TPM
Trusted platform module connector
17
IDSDM/Internal USB connector
IDSDM/Internal USB connector
18
BATTERY
CMOS Battery connector
19
FP_USB
Front panel USB connector
20
CTRL_PNL
Control panel
21
PIB connector
PIB connector
22
HDD/ODD_POWER
Hard drive power connector
23
Jumper
NVRAM / Reset BIOS password jumper
System board jumper settings
For information about resetting the password jumper to disable a password, see the
Disabling a forgotten password
section.
Table 25. System board jumper settings
Jumper
Setting
Description
PWRD_EN
The BIOS password feature is enabled.
The BIOS password feature is disabled. The BIOS password is
now disabled and you are not allowed to set a new password.
NVRAM_CLR
The BIOS configuration settings are retained at system boot.
The BIOS configuration settings are cleared at system boot.
CAUTION:
Be careful when changing the BIOS settings. The BIOS interface is designed for advanced users. Any
change in the setting could prevent your system from starting correctly and you might have potential loss of
data.
118
Jumpers and connectors