Asus M3A78 EM User Guide - Page 34
Interrupt assignments, These IRQs are usually available for ISA or PCI devices. - usb 3 0
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Interrupt assignments IRQ Standard function 0 System timer 1 Standard 101/102-Key or Microsoft Natural Keyboard 2 Programmable interrupt controller 3 Standard OpenHCI USB Host Controller 4 Communications Port (COM 1) 5 ACPI IRQ Holder for PCI IRQ Steering 6 (free) 7 (free) 8 System CMOS / Real Time Clock 9 SCI IRQ used by ACPI bus 10 Standard PCI Graphics Adapter (VGA) 11 (free) 12 Microsoft PS/2 Port Mouse 13 Numeric data processor 14 Primary IDE controller (single fifo) 15 Secondary IDE controller (single fifo) * These IRQs are usually available for ISA or PCI devices. 1-22 Chapter 1: Product introduction
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1-22
Chapter 1: Product introduction
* These IRQs are usually available for ISA or PCI devices.
Interrupt assignments
IRQ
Standard function
0
System timer
1
Standard 101/102-Key or Microsoft Natural Keyboard
2
Programmable interrupt controller
3
Standard OpenHCI USB Host Controller
4
Communications Port (COM 1)
5
ACPI IRQ Holder for PCI IRQ Steering
6
(free)
7
(free)
8
System CMOS / Real Time Clock
9
SCI IRQ used by ACPI bus
10
Standard PCI Graphics Adapter (VGA)
11
(free)
12
Microsoft PS/2 Port Mouse
13
Numeric data processor
14
Primary IDE controller (single fifo)
15
Secondary IDE controller (single fifo)