Asus M2R-FVM manual Interrupt assignments, PCI slots, Standard interrupt assignments

1.8.3 Interrupt assignments

Standard interrupt assignments

IRQ Priority Standard function

01 System Timer

1 2 Keyboard Controller

2– Redirect to IRQ#9

412 Communications Port (COM1)*

513 IRQ Holder for PCI Steering*

614 Floppy Disk Controller

715 Printer Port (LPT1)*

83 System CMOS/Real Time Clock

94 IRQ Holder for PCI Steering*

105 IRQ Holder for PCI Steering*

116 IRQ Holder for PCI Steering*

127 PS/2 Compatible Mouse Port*

138 Numeric Data Processor

149 Primary IDE Channel

1510 Secondary IDE Channel

* These IRQs are usually available for ISA or PCI devices.

1.8.4 PCI slots

The PCI slots support cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. The figure shows a LAN card installed on a PCI slot.

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