Dell PowerEdge R750 Installation and Service Manual

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System board connectors

This images shows the system board jumpers and connectors for the PowerEdge R6525. — Figure 1. System board jumpers and connectors

Table 1. System board jumpers and connectorsSystem board jumpers and connectors
Item	Connector	Description
1.	LFT_CP	Left control panel connector
2.	BAT_SIG	NVDIMM battery signal
3.	PSU 2	Power supply unit 2
4.	IO_RISER4 (CPU2)	Riser 4
5.	BAT_PWR_2U	NVDIMM battery power
6.	IO_RISER3 (CPU2)	Riser 3
7.	SIG_PWR_3	Power connector 3 - use for GPU only
8.	J_R3_PCIE_PWR	PCIe riser 3 power
9.	Rear I/O connector	Rear I/O connector
10.	SL5_PCH_SA3_PA3	SATA connector 5
11.	IO_RISER2_A (CPU1) and IO_RISER2_B (CPU2)	Riser 2
12.	OCP NIC 3.0 connector	OCP NIC 3.0 connector
13.	J_TPM	TPM connector
14.	Coin cell battery	Coin cell battery
15.	LOM	LOM connector
16.	IDSDM/Internal USB	IDSDM/Internal USB connector
17.	SL7_CPU1_PA5	PCIe connector 7
18.	SIG_PWR_4	Power connector 4 - use for GPU only
19.	IO_RISER1 (CPU1)	Riser 1
20.	SIG_PWR_0	Power connector 0 - use for GPU only/ Rear BP
21.	PSU 1	Power supply unit 1
22.	SL6_PCH_PA4	PCIe connector 6
23.	FRONT_VIDEO	Front VGA
24.	BOSS_PWR	BOSS card power
25.	RGT_CP	Right control panel connector
26.	2U[FAN6]	Fan 6
27.	SIG_PWR_2	Power connector 2 - use for GPU only
28.	A11, A3, A15, A7, A9, A1, A13, A5	DIMM for CPU 1 channels A, B, C, D
29.	2U[FAN5]	Fan 5
30.	SL4_CPU1_PA2	PCIe connector 4
31.	CPU 1	Processor 1
32.	2U[FAN4]	Fan 4
33.	SL3_CPU1_PB2	PCIe connector 3
34.	A6, A14, A2, A10, A8, A16, A4, A12	DIMMs for CPU 1 channels E, F, G, H
35.	SIG_PWR_1	Power connector 1 - use for BP only
36.	2U[FAN3]	Fan 3
37.	B11, B3, B15, B7, B9, B1, B13, B5	DIMM for CPU 2 channels A, B, C, D
38.	2U[FAN2]	Fan 2
39.	SL2_CPU2_PA1	PCIe connector 2
40.	CPU 2	Processor 2
41.	2U[FAN1]	Fan 1
42 .	SL1_CPU2_PB1	PCIe connector 1
43.	B6, B14, B2, B10, B8, B16, B4, B12	DIMMs for CPU 2 channels E, F, G, H
44.	NVRAM_CLR	NVRAM_CLR (Jumpers)
45.	PWRD_EN	PWRD_EN (Jumpers)