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2-142-14
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Chapter 2: Basic installationChapter 2: Basic installation
Chapter 2: Basic installationChapter 2: Basic installation
Chapter 2: Basic installation
2.8.42.8.4
2.8.42.8.4
2.8.4
Standard interrupt assignmentsStandard interrupt assignments
Standard interrupt assignmentsStandard interrupt assignments
Standard interrupt assignments
IRQIRQ
IRQIRQ
IRQ
PriorityPriority
PriorityPriority
Priority
Standard FunctionStandard Function
Standard FunctionStandard Function
Standard Function
0 1 System Timer
1 2 Keyboard Controller
2 N/A Programmable Interrupt
3* 11 USB Universal Host Controller
4* 12 Communications Port (COM1)
5* 13 USB Enhanced Host Controller
6 14 Standard Floppy Disk Controller
7* 15 Printer Port (LPT1)
8 3 System CMOS/Real Time Clock
9* 4 ACPI Mode when used
10* 5 Multimedia Device
11* 6 Network Controller
12* 7 PS/2 Compatible Mouse Port
13 8 Numeric Data Processor
14* 9 Primary IDE Channel
15* 10 Secondary IDE Channel
* These IRQs are usually available for ISA or PCI devices.* These IRQs are usually available for ISA or PCI devices.
* These IRQs are usually available for ISA or PCI devices.* These IRQs are usually available for ISA or PCI devices.
* These IRQs are usually available for ISA or PCI devices.
ABCDEFGH
PCI slot — used — — — — — —
AGP slot used — — — — — — —
USB 1.1 UHCI 1 — — — — shared — — —
USB 1.1 UHCI 1 — — — — — used — —
USB 1.1 UHCI 1 — — — — — — shared —
USB 2.0 EHCI — — — — — — — used
Onboard Audio — — — — — — shared —
Onboard LAN — — — — shared — — —
2.8.52.8.5
2.8.52.8.5
2.8.5
IRQ assignments for this motherboardIRQ assignments for this motherboard
IRQ assignments for this motherboardIRQ assignments for this motherboard
IRQ assignments for this motherboard