EVGA 122-M2-NF59-TR User Manual - Page 16
Standard Interrupt Assignments
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Standard Interrupt Assignments IRQ Priority Standard function 0 N/A System Timer 1 N/A Keyboard Controller 2 N/A Programmable Interrupt 3 * 8 Communications Port (COM2) 4 * 9 Communications Port (COM1) 5 * 6 Sound Card (sometimes LPT2) 6 * 11 Floppy Disk Controller 7 * 7 Printer Port (LPT1) 8 N/A System CMOS/Real Time Clock 9 * 10 ACPI Mode when enabled 10 * 3 IRQ Holder for PCI Steering 11 * 2 IRQ Holder for PCI Steering 12 * 4 PS/2 Compatible Mouse Port 13 N/A Numeric Data Processor 14 * 5 Primary IDE Channel 15 * 1 Secondary IDE Channel * These IRQs are usually available for PCI devices. EVGA Corporation 2900 Saturn St. Suite B, Brea, CA 92821 Phone: 888 / 881-EVGA - 714 / 528-4500 - Fax: 714 / 528-4501 Page 15
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EVGA Corporation 2900 Saturn St. Suite B, Brea, CA 92821
Phone: 888 / 881-EVGA - 714 / 528-4500 - Fax: 714 / 528-4501
Page 15
Standard Interrupt Assignments
IRQ
Priority
Standard function
0
N/A
System Timer
1
N/A
Keyboard Controller
2
N/A
Programmable Interrupt
3 *
8
Communications Port (COM2)
4 *
9
Communications Port (COM1)
5 *
6
Sound Card (sometimes LPT2)
6 *
11
Floppy Disk Controller
7 *
7
Printer Port (LPT1)
8
N/A
System CMOS/Real Time Clock
9 *
10
ACPI Mode when enabled
10 *
3
IRQ Holder for PCI Steering
11 *
2
IRQ Holder for PCI Steering
12 *
4
PS/2 Compatible Mouse Port
13
N/A
Numeric Data Processor
14 *
5
Primary IDE Channel
15 *
1
Secondary IDE Channel
* These IRQs are usually available for PCI devices.