Asus M4A88TD-M/USB3 User Manual - Page 36
Interrupt assignments - 880g
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Chapter 2 2.5.3 Interrupt assignments Standard interrupt assignments IRQ Priority Standard function 0 1 System Timer 1 2 Keyboard Controller 2 - Redirect to IRQ#9 4 12 Communications Port (COM1)* 5 13 IRQ Holder for PCI Steering* 6 14 Reserved 7 15 Reserved 8 3 System CMOS/Real Time Clock 9 4 IRQ Holder for PCI Steering* 10 5 IRQ Holder for PCI Steering* 11 6 IRQ Holder for PCI Steering* 12 7 Reserved 13 8 Numeric Data Processor 14 9 Primary IDE Channel * These IRQs are usually available for PCI devices. IRQ assignments for this motherboard PCIE x16 A B C D E F - - shared - - - PCIE x1_1 PCIE x1_2 PCI1 LAN - shared - - - - - - shared - - - - - - - shared - - - shared - - - Onboard 880G Video Controller - - shared - - - USB 3.0 controller - shared - - - - Onchip SATA Controller - - - shared - - Onboard PATA Controller - shared - - - - HD Audio shared - - - - - G H - - - - - - - - - - - - - - - - - - - - 2-18 Chapter 2: Hardware information