Dell PowerEdge C6100 Hardware Owner's Manual - Page 127
IRQ Assignment Conflicts
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13 Replace processor 1 with processor 2. See "Installing a Processor" on page 68. 14 Repeat step 9 through step 11. If you have tested both the processors and the problem persists, the system board is faulty. See "Getting Help" on page 143. IRQ Assignment Conflicts Most PCI devices can share an IRQ with another device, but they cannot use an IRQ simultaneously. To avoid this type of conflict, see the documentation for each PCI device for specific IRQ requirements. Table 4-1. Assignment Specific IRQ Requirements IRQ Line IRQ0 IRQ1 IRQ2 IRQ3 IRQ4 IRQ5 Assignment IRQ Line 8254 timer IRQ8 Keyboard controller IRQ9 Cascade for IRQ9 IRQ10 Serial port IRQ11 Serial port IRQ12 Free IRQ13 IRQ6 Free IRQ14 IRQ7 Free IRQ15 Assignment RTC SCI VGA USB controller Mouse controller Numeric data Processor Primary IDE controller Secondary IDE controller Troubleshooting Your System 127
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