Table 35. System board jumpers and connectors (continued)
Item Connector Description
3. Coin cell battery Coin cell battery
4. OCP NIC 3.0 connector OCP NIC 3.0 connector
5. IO_RISER2_A (CPU1)
IO_RISER2_B (CPU2)
Riser 2
6. J_TPM TPM
7. SIG_PWR_0 (Rear BP) Backplane signal and power 0
8. LOM connector LOM connector
9. IDSDM/Internal USB
connector
IDSDM/Internal USB connector
10. MB_FRONT_VIDEO Front VGA
11. SIG_PWR_4 GPU power
12. SL8_CPU1_PA2 PCIe/NVMe connector 8
13. IO_RISER1 (CPU1) Riser 1
14. SL7_CPU1_PB2 PCIe/NVMe connector 7
15. J_PS1_1U PSU1
16. BOSS_CARD_PWR BOSS card power
17. RGT_CP Right control panel
18. PWRD_EN PWRD_EN(Jumpers)
19. NVRAM_CLR NVRAM_CLR(Jumpers)
20. A16, A8, A15, A7, A14, A4,
A13, A3
DIMMs for processor 1 channels E, F, G, H
21. FAN_1U7/8 Fan 4
22. CPU1 Processor 1
23. FAN_2U4_1U5/6 Fan 3
24. SL4_CPU1_PA1_XA1 XGMI/NVMe connector 4
25. A1, A9, A2, A10, A5, A11,
A6, A12
DIMMs for processor 1 channels A, B, C, D
26. SIG_PWR_1 Backplane signal and power 1
27. SL3_CPU1_PB1_XB1 XGMI/NVMe connector 3
28. SL2_CPU2_PA3_XA2 XGMI/NVMe connector 2
29. B16, B8, B15, B7, B14, B4,
B13, B3
DIMMs for processor 2 channels E, F, G, H
30. FAN_1U3/4 Fan 2
31. SL1_CPU2_PB3_XB2 XGMI/NVMe connector 1
32. CPU2 Processor 2
33. FAN_2U1_1U1/2 Fan 1
34. B1, B9, B2, B10, B5, B11,
B6, B12
DIMMs for processor 2 channels A, B, C, D
35. LFT_CP Left control panel
36. J_PS2_1U PSU 2
158 Jumpers and connectors
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