Installing System Components 1078 Align the front edge of the RAC card with the two front plastic retentionstandoffs and press down the side of the card until it is fully seated on thestandoffs. See Figure 3-20.When the front of the card is fully seated, the plastic standoff snaps overthe edge of the card.9 Connect the two short ribbon cables to the RAC card and the systemboard. See Figure 6-2 for the connector locationsNOTICE: Be careful when attaching cables to the system board that you do notdamage the surrounding system board components.a Connect one cable to connector 1 on the RAC card and toRAC_CONN1 on the system board.b Connect the second cable to connector 2 on the RAC card and toRAC_CONN2 on the system board.10 Reinstall expansion-card riser 1. See "Replacing Expansion-Card Riser 1"on page 99.11 Reinstall all expansion cards in expansion-card riser 1. See "Installing anExpansion Card" on page 91.12 Close the system. See "Closing the System" on page 71.See the RAC card documentation for information on configuring and usingthe RAC card.LOM Daughter CardThe LAN-on-motherboard (LOM) NIC daughter card provides twoadditional NIC LOMs. The two daughter card LOMs are upgradeable to10Gbps data rate capability, when available.Removing the LOM Daughter CardCAUTION: Only trained service technicians are authorized to remove the systemcover and access any of the components inside the system. See your ProductInformation Guide for complete information about safety precautions, workinginside the computer, and protecting against electrostatic discharge.1 Turn off the system, including any attached peripherals, and disconnectthe system from the electrical outlet.2 Open the system. See "Opening the System" on page 71.
