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11.2 PCI Card Conflicts
If you determine that one PCI card is interfering with the operation of another card, first try reorganizing the cards on the motherboard. Moving
the cards around can change the order in which the cards are configured by the system during power-on. This will go a long way toward
resolving module conflicts.
11.3 Power-On Sequence for Advanced Configurations
As previously stated in Chapter 2 Hardware Installation, it remains necessary to power up ALL Expansions Systems BEFORE you turn on the
computer. This will ensure that your power-on software can read all available PCI buses and properly configure all installed PCI cards.
It remains true for shutting your system down. The computer must be shut off BEFORE you attempt to turn off your Expansion System(s).
11.4 Troubleshooting Advanced Configurations
When trying to troubleshoot problems with PCI cards in a multiple expansion system configuration, it is vital to correctly determine the nature
of the problem. Therefore, the first task is to identify the card or chassis having a problem by using the Windows Device Manager, or Apple
System Profiler. Refer to the first part of this Appendix for more information on identifying hierarchical levels in multiple expansion system
configurations.
Remember, Fan-Out configurations can consist of both PCIe to PCI Expansion Systems and PCI to PCI Expansion Systems. Whereas, Daisy-Chain
configurations will consist only of a PCI to PCI Expansion System, or a PCIe to PCI Expansion System, followed by one or more PCI to PCI
Expansion Systems. Only after you have all expansion systems working without any 3
rd
Party PCI cards should you attempt to install any 3
rd
Party PCI cards.
Problems with 3
rd
Party cards might only be traceable once you have identified the expansion system containing the problem card. Remember,
it may be necessary to identify the PCI Slot that the Host Interface Card is in before you can properly identify the correct expansion chassis and
ultimately the card. This is only an issue if you have multiples of the same type of card installed.