Table 61. System board jumpers and connectors (continued)Item Connector Description3 IO_RISER3 (CPU2) Riser 34 B9, B1, B15, B7, B11, B3, B13, B5 DIMM for CPU 2 channels A, B, C, D5 SL10_PCH_SA1 SATA connector 106 IO_RISER2_A (CPU1) and IO_RISER2_B (CPU2) Riser 27 TPM TPM connector8 OCP OCP NIC 3.0 connector9 SL13_CPU1_PB7 PCIe connector 1310 BATTERY Coin cell battery11 LOM_Connector LOM connector12 IDSDM/Internal USB IDSDM/Internal USB connector13 SL11_CPU1_PB7 PCIe connector 1114 IO_RISER1 (CPU1) Riser 115 SIG_PWR_0 Power connector 0 - use for BP only16 BOSS_PWR BOSS card power17 PSU1_SIG PUCK sideband signal for Riser 1 GPU18 SL12_PCH_PA6 PCIe connector 1219 FRONT_VIDEO Front VGA20 PWR1_A For power cable21 PWR1_B For Riser 1 GPU power22 CPU 1 Processor 123 A9, A1, A15, A7, A11, A3, A13, A5 DIMM for CPU 1 channels A, B, C, D24 SL8_CPU1_PA4 PCIe connector 825 RGT_CP Right control panel connector26 FAN_2U6 Fan 6 connector27 SIG_PWR_2 Power connector 2 - use for BP only28 SL7_CPU1_PB4 PCIe connector 729 FAN_2U5 Fan 5 connector30 SL4_CPU1_PB2 PCIe connector 431 FAN_2U4 Fan 4 connector32 SL3_CPU1_PA2 PCIe connector 333 SIG_PWR_1 Power connector 2 - use for BP only34 SL6_CPU2_PA3 PCIe connector 635 FAN_2U3 Fan 3 connector36 SL5_CPU2_PB3 PCIe connector 537 FAN_2U2 Fan 2 connector38 SL2_CPU2_PB1 PCIe connector 239 FAN_2U1 Fan 1 connectorJumpers and connectors 191