System Board Jumper Settings - Dell Precision 7920 Rack Owner's Manual

Item Connector
9 B7, B1, B8, B2, B9, B3
10 J_FAN2U_3
11 J_FAN2U_2
12 J_BP_SIG1
13 B6, B12, B5, B11, B4, B10
14 J_BP1
15 J_FAN2U_1
16 P_LFT_CP
17 CPU2
18 J_R3_X24
19 J_BP_SIG2
20 J_BP_SIG0
21 J_BP0 (RSR3_225W)
22 J_BP2 (RSR2_225W)
23 J_BATT_SIG
24 J_BATT_PWR
25 J_USB_INT
26 J_IDSDM
27 J_NDC
28 J_R2_X24_IT9
29 J_R2_3R_X8_IT9
30 BATTERY
31 J_FRONT_VIDEO
32 J_R1_SS82_3 and J_R1_SS60_1
33 J_TPM_MODULE
34 J_SATA_B
35 J_R1_SS82_1
36 J_SATA_A
37 J_SATA_C
38 CPU1
39 P_RGT_CP

System board jumper settings

For information on resetting the password jumper to disable a password, see the Disabling a forgotten password section.
28 Removing and installing components
Description
Memory module sockets
Cooling fan 3 connector
Cooling fan 2 connector
Backplane 1 signal connector
Memory module sockets
Backplane 1 power connector
Cooling fan 1 connector
Left control panel connector
CPU2 processor and heat sink module socket (with dust
cover)
Riser 3 connector
Backplane 2 signal connector
Backplane 0 signal connector
Backplane 0 power connector (Riser 3 PCIe 225 W power)
Backplane 2 power connector (Riser 2 PCIe 225 W power)
NVDIMM-N battery signal connector
NVDIMM-N battery power connector
Internal USB connector
IDSDM/vFlash connector
NDC connector
Riser 2 connector
Riser 2 connector
Battery connector
Video connector
Riser 1 connector
TPM connector
SATA B connector
Riser 1 connector (Mini PERC option)
SATA A connector
SATA C connector (Optical drive SATA connector)
CPU1 processor and heat sink module
Right control panel connector