Table 19. System board jumpers and connectors (continued)
Ite
m
Connector
Description
6
Slot 2 PCIE_G3_X8 CPU
PCIe card connector 2
7
Slot 3 PCIE_G3_X1 PCH
PCIe card connector 3
8
Slot 4 PCIE_G3_X4 PCH
PCIe card connector 4
9
J_INTRU2
Intrusion connector
10
MB / Fan1
Cooling fan connector
11
J_AMEA1
iDRAC port card connector
12
A1, A2, A3, A4
Memory module sockets
13
CPU_PWR
CPU power connector P2
14
CPU
Processor socket
15
SATA 0–3/SATAe
Mini SAS connector
16
SATA_ODD/SSD
Optical disk drive connector
17
SYS_PWR
System power connector P1
18
PWRD_EN
Password jumper
19
J_SATA_2
SATA connector 2
20
CTRL_PNL
Control panel connector
21
NVRAM_CLR
NVRAM password jumper
22
CPU_FAN
CPU fan connector
23
TPM
Trusted platform module connector
24
IDSDM
Internal dual SD module connector
25
HDD/ODD_PWR
Hard drive power connector
26
BP_SIG
Backplane signal connector
System board jumper settings
CAUTION:
Many repairs may only be done by a certified service technician. You should only perform troubleshooting and
simple repairs as authorized in your product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow
the safety instructions that came with the product.
For information about resetting the password jumper to disable a password, see the Disabling A Forgotten Password section.
Table 20. System Board Jumper settings
Jumper
Setting
Description
PWRD_EN
(default)
The password feature is enabled (pins 1–2).
The password feature is disabled (pins 2–3).
NVRAM_CLR
(default)
The configuration settings are retained at system boot (pins 2–3).
The configuration settings are cleared at the next system boot. (pins 1–
2).
Jumpers and connectors
105