Asus P5MT-MX C User Manual - Page 37
Interrupt assignments
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2.5.3 Interrupt assignments Standard interrupt assignments IRQ Priority 0 1 1 2 2 - 3 11 4 12 5 13 6 14 7 15 8 3 9 4 10 5 11 6 12 7 13 8 14 9 15 10 Standard Function System Timer Keyboard Controller Re-direct to IRQ #9 Communications Port (COM2)* Communications Port (COM1)* IRQ holder for PCI steering* Floppy Disk Controller Printer Port (LPT1)* System CMOS/Real Time Clock IRQ holder for PCI steering* IRQ holder for PCI steering* IRQ holder for PCI steering* PS/2 Compatible Mouse Port* Numeric Data Processor Primary IDE Channel Secondary IDE Channel * These IRQs are usually available for ISA or PCI devices. PCI Bus Number, IDSEL, and IRQ assignments Description PCI slot 1 PCI slot 2 PCI E x16 slot PCI E x 8 slot Onboard USB controller 0 Onboard USB controller 1 Onboard USB controller 2 Onboard USB controller 3 USB 2.0 EHCI controller Onboard IDE port Onboard SATA port Onboard Graphics Controller SMBus Controller Onboard LAN INTA PIRQE# PIRQG# PIRQA# PIRQA# PIRQA# PIRQA# PIRQC# PIRQE# PIRQB# INTB PIRQF# PIRQH# PIRQB# PIRQB# PIRQB# PIRQD# PIRQD# INTC PIRQG# PIRQE# PIRQC# PIRQC# PIRQC# INTD PIRQH# PIRQF# PIRQD# PIRQD# PIRQD# REQ# REQ0# REQ1# REQ2# GNT# GNT0# GNT1# GNT2# When using PCI cards on shared slots, ensure that the drivers support "Share IRQ" or that the cards do not need IRQ assignments; otherwise, conflicts will arise between the two PCI groups, making the system unstable and the card inoperable. ASUS P5MT-MX/C 2-17