CRU Replacement and Server Upgrades 4-31Installing 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 BIOS Setup Utility must be run when a PCI adapterboard in a PCI expansion slot is added or replaced in orderto change its detailed BIOS settings, such as its interrupt line(IRQ), when required.The PCI module board, which is located in the PCI module can have up to four32-bit PCI adapter boards installed in its expansion slots, numbered PCI #1 toPCI #4. See Figure 4-38.Note: PCI expansion slot #1 is dedicated to thestandard video board or system management board only.! CAUTIONElectrostatic discharge (ESD) can damage components;place them on an antistatic surface. Ony handle PCI adapterboards using an antistatic wrist strap attached to chassisground.PCI #1(Standard Video Board)PCI #2PCI #3PCI #4Figure 4-38. PCI Adapter Board Expansion Slots
