CRU Replacement and Server Upgrades 4-25Installing PCI Adapter BoardsThis subsection describes how to install PCI adapter boards. Use theseprocedures when adding or replacing PCI adapter boards in your system. Whenadding, but not replacing a PCI adapter board in a PCI module an identical PCIadapter board must be added to the other PCI module to continue total systemredundancy and mirroring.Notes: All installed PCI adapter boards must have thesame specifications and performance characteristics in orderto provide total system redundancy and mirroring.The PCI module board, is located in the PCI module and can have up to two 64-bit PCI adapter boards and one 32-bit adapter board installed in its expansionslots. However one VGA video board is already installed in each module in thestandard configuration. See Figure 4-25.Note: PCI expansion slot #1 is dedicated to thestandard video graphics board.! CAUTIONElectrostatic discharge (ESD) can damage components;place them on an antistatic surface. Only handle PCIadapter boards using an antistatic wrist strap attached tochassis ground.PCI #2PCI #3PCI #1 Video BoardFigure 4-25. PCI Adapter Board Expansion Slots1. Remove the appropriate PCI module from the server chassis. See Removinga PCI Module earlier in this chapter.2. Remove the three screws from the top and rear of the CPU module securingits top cover. See Figure 4-26.
