Dell PowerEdge 2900 Hardware Owner's Manual (PDF) - Page 142

Table 6-2. System Board Connectors Item Connector 1 PCIE_X4_6 2 PCIE_X4_5 3 PCIE_X4_4 4 PCIE_X8_3 5 PCIX_2 6 PCIX_1 7 INT_STORAGE 8 RAC_CONN 9 RAC_MII_CONN 10 DIMMn 11 FANn 12 CPU1 13 CPU2 14 PWRn 15 SATA_x 16 PWR_CTRL 17 FLOPPY 18 IDE 19 CONTROL_PANEL 20 BATTERY 21 TOE_KEY Description PCIe x4 connector (slot 6) PCIe x4 connector (slot 5) PCIe x4 connector (slot 4) PCIe x8 connector (slot 3) PCI-X 64-bit connectors (slot 2) PCI-X 64-bit connectors (slot 1) SAS daughter card connector Connector for the remote access controller (RAC) RAC MII connector Memory module connector (12), numbered by population order (see "Memory" on page 82) Fan power connector (6) Processor connector 1 Processor connector 2 Power supply connector (2) SATA connectors (2) Power supply connector Floppy disk drive connector CD-ROM connector Control panel connector Connector for the 3.0-V coin battery TCP/IP Offload Engine Key SAS Backplane Connectors CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge. See Figure 6-3 for the location and description of the connectors on the back of the 1x8 SAS backplane board. See Figure 6-4 for the location and description of the connectors on the back of the optional 1x2 SAS backplane board. 142 Jumpers and Connectors