Dell Precision 7920 Rack Owner's Manual

System board jumpers and connectors

This image shows system board jumpers and connectors. — Figure 1. System board jumpers and connectors

Table 1. System board jumpers and connectorsSystem board connectors and jumpers.
Item	Connector	Description
1	J_ODD	Optical drive power connector
2	A7, A1, A8, A2, A9, A3	Memory module sockets
3	J_FAN2U_6	Cooling fan 6 connector
4	J_BP3	Backplane 3 power connector
5	J_FAN2U_5	Cooling fan 5 connector
6	A6, A12, A5, A11, A4, A10	Memory module sockets
7	J_FAN2U_4	Cooling fan 4 connector
8	INTRUSION_DET	Intrusion switch connector
9	B7, B1, B8, B2, B9, B3	Memory module sockets
10	J_FAN2U_3	Cooling fan 3 connector
11	J_FAN2U_2	Cooling fan 2 connector
12	J_BP_SIG1	Backplane 1 signal connector
13	B6, B12, B5, B11, B4, B10	Memory module sockets
14	J_BP1	Backplane 1 power connector
15	J_FAN2U_1	Cooling fan 1 connector
16	P_LFT_CP	Left control panel connector
17	CPU2	CPU2 processor and heat sink module socket (with dust cover)
18	J_R3_X24	Riser 3 connector
19	J_BP_SIG2	Backplane 2 signal connector
20	J_BP_SIG0	Backplane 0 signal connector
21	J_BP0 (RSR3_225W)	Backplane 0 power connector (Riser 3 PCIe 225 W power)
22	J_BP2 (RSR2_225W)	Backplane 2 power connector (Riser 2 PCIe 225 W power)
23	J_BATT_SIG	NVDIMM-N battery signal connector
24	J_BATT_PWR	NVDIMM-N battery power connector
25	J_USB_INT	Internal USB connector
26	J_IDSDM	IDSDM/vFlash connector
27	J_NDC	NDC connector
28	J_R2_X24_IT9	Riser 2 connector
29	J_R2_3R_X8_IT9	Riser 2 connector
30	BATTERY	Battery connector
31	J_FRONT_VIDEO	Video connector
32	J_R1_SS82_3 and J_R1_SS60_1	Riser 1 connector
33	J_TPM_MODULE	TPM connector
34	J_SATA_B	SATA B connector
35	J_R1_SS82_1	Riser 1 connector (Mini PERC option)
36	J_SATA_A	SATA A connector
37	J_SATA_C	SATA C connector (Optical drive SATA connector)
38	CPU1	CPU1 processor and heat sink module
39	P_RGT_CP	Right control panel connector