3 interrupt assignments, Standard interrupt assignments – Asus P5BV-C User Manual
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Chapter 2: Hardware information
2.5.3
Interrupt assignments
IRQ Priority
Standard Function
0
-
System Timer
1
-
Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
3
-
Communications Port (COM2)
4
-
Communications Port (COM1)
6
-
Standard Floppy Disk Controller
8
-
System CMOS/Real Time Clock
9
-
Microsoft ACPI-Compliant System
12
-
Microsoft PS/2 Mouse
13
-
Numeric Data Processor
14
-
Primary IDE Channel
15
-
Secondary IDE Channel
16
-
Generic Marvell Yukon Chipset based Controller #3
16
-
Intel
®
82801G (ICH7 Family) PCI Express Root Port - 27D0
16
-
Intel
®
82801G (ICH7 Family) USB Universal Host Controller - 27CC
16
-
Intel
®
82801G (ICH7 Family) USB Enhanced Host Controller
16
-
Intel
®
82801GR/GH/GHM (ICH7 Family) PCI Express Root Port - 27E2
17
-
Generic Marvell Yukon Chipset based Ethernet Controller
17
-
Intel
®
82801G (ICH7 Family) PCI Express Root Port - 27D2
17
-
Intel
®
82801G (ICH7 Family) USB Universal Host Controller - 27C9
17
-
Intel
®
82801GR/GH/GHM (ICH7 Family) PCI Express Root Port - 27E2
18
-
Marvell 61xx Marvell RAID Controller
18
-
Generic Marvell Yukon Chipset based Ethernet Controller #2
18
-
Intel
®
82801G (ICH7 Family) PCI Express Root Port - 27D4
19
-
Generic Marvell Yukon Chipset based Ethernet Controller #4
19
-
Intel
®
82801G (ICH7 Family) PCI Express Root Port - 27D6
19
-
Intel
®
82801GB/GR/GH (ICH7 Family) Serial ATA Storage Controller - 27C0
* These IRQs are usually available for ISA or PCI devices.
Standard interrupt assignments