Asus A8N-E Specifications download pdf (Page 29)

ASUS A8N-EASUS A8N-E

ASUS A8N-E

1-171-17

1-17

1.6.31.6.3

1.6.3

Interrupt assignmentsInterrupt assignments

Interrupt assignments

Standard interrupt assignmentsStandard interrupt assignments

Standard interrupt assignments

IRQIRQ

IRQ

PriorityPriority

Priority

Standard FunctionStandard Function

Standard Function

0 1 System Timer

1 2 Keyboard Controller

2 – Re-direct to IRQ#9

4 12 Communications Port (COM1)*

5 13 IRQ holder for PCI steering*

6 14 Floppy Disk Controller

7 15 Printer Port (LPT1)*

8 3 System CMOS/Real Time Clock

9 4 IRQ holder for PCI steering*

10 5 IRQ holder for PCI steering*

11 6 IRQ holder for PCI steering*

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.

IRQ assignments for this motherboardIRQ assignments for this motherboard

IRQ assignments for this motherboard

PCI slot 1 shared — — — — — — —

PCI slot 2 — shared — — — — — —

PCI slot 3 — — shared — — — — —

Onboard USB 1.0 controller shared — — — — — — —

Onboard USB 2.0 controller shared — — — — — — —

Onboard LAN1 shared — — — — — — —

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.

1.6.41.6.4

1.6.4

PCI slotsPCI slots

PCI slots

The PCI slots support cards such as a

LAN card, SCSI card, USB card, and

other cards that comply with PCI

specifications. The figure shows a

LAN card installed on a PCI slot.

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Asus A8N-E Specifications Page 29

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