Jumpers and Connectors

This topic provides specific information about the jumpers and switches and describes the connectors on the board in the system. Jumpers on the system board help to disable the system and setup passwords. You must know the connectors on the system board to install components and cables correctly.

Item

Connector

Description

1.

FAN6

Cooling fan 6 connector

2.

CPU1

Processor socket 1

3.

CPU1_PWR_CONN(P2)

CPU1 power connector

4.

J_INTRU

Intrusion switch connector

5.

J_BP_SIG1

Backplane signal connector 1

6.

LFT_CP_CONN

Left control panel connector

7.

J_SATA_B1

Internal SATA B connector

8.

RGT_CP_CONN

Right panel connector

9.

SYS_PWR_CONN(P1)

System power connector

10.

J_PIB_SIG1

Power interposer board signal connector 1

11.

J_PIB_SIG2

Power interposer board signal connector 2

12.

J_ACE

Internal Dual SD Module

13.

J_CP_USB2

Front USB connector

14.

J_SATA_A1

Internal SATA A connector

15.

J_SATA_C1

Internal SATA C connector

16.

PCIE_G3_X8(CPU1)

Internal PERC controller connector

17.

J_REAR_BP_PWR1

Rear backplane power connector

18.

J_FRONT_VIDEO

VGA connector

19.

INT_USB_3.0

USB connector

20.

NVRAM_CLR

Clear NVRAM

21.

PWRD_EN

Reset BIOS password

22.

SLOT5

PCIe slot 5

23.

SLOT4

PCIe slot 4

24.

SLOT3

PCIe slot 3

25.

J_TPM_MODULE

TPM module connector

26.

J_BP_SIG0

Backplane signal connector

27.

J_MEZZ_A1

LOM riser card connector

28.

BATTERY

Battery connector

29.

PCIE_G3_X16(CPU1)

Riser 1 connector

30.

A6, A5, A10, A4, A9, A7, A1, A8, A2, A3

Memory module sockets

31.

B3, B2, B1, B4, B5, B6

Memory module sockets

32.

CPU2

Processor socket 2

33.

PCIE_A0

NVMe connector

34.

CPU2_PWR_CONN(P3)

CPU2 power connector

System board jumper settings

For information on resetting the password jumper to disable a password, see the Disabling a forgotten password section.

Disabling forgotten password

The software security features of the system include a system password and a setup password. The password jumper enables or disables password features and clears any password(s) currently in use.

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 are shipped with your product.

Follow the below steps to disable forgotten password.

1. Power off the system, including any attached peripherals, and disconnect the system from the electrical outlet.

2. Remove the system cover.

3. Move the jumper on the system board jumper from pins 2 and 4 to pins 4 and 6.

4. Install the system cover.

The existing passwords are not disabled (erased) until the system boots with the jumper on pins 4 and 6. However, before you assign a new system and/or setup password, you must move the jumper back to pins 2 and

Note:  If you assign a new system and/or setup password with the jumper on pins 4 and 6, the system disables the new password(s) the next time it boots.

5. Reconnect the system to its electrical outlet and power on the system, including any attached peripherals.

6. Power off the system, including any attached peripherals, and disconnect the system from the electrical outlet.

7. Remove the system cover.

8. Move the jumper on the system board jumper from pins 4 and 6 to pins 2 and 4.

9. Install the system cover.

10. Reconnect the system to its electrical outlet and power on the system, including any attached peripherals.

11. Assign a new system and/or setup password.