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Acrosser AR-B7290 User Manual

Page 31

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User’s Ma nual

AR-B7290

31


1.6.3

Standard Interrupt Assignments


* There IRQs are usually available for ISA or PCI device.


1.6.4 PCI

Slot

This motherboard has one PCI slot. The PCI slot
supports card 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.

IRQ Priority

Standard Function

0 1

System

Timer

1 2

Keyboard

Controller

2

-

Redirect to IRQ#9

3

11

IRQ holder for PCI streering*

4

12

Communications Port (COM1)*

5

13

IRQ holder for PCI streering*

6

14

Floppy Disk Controller

7

15

Printer Port (LPT)*

8 3

System

CMOS/Rear

Time

9

4

IRQ holder for PCI streeing*

10

5

IRQ holder for PCI streeing*

11

6

IRQ holder for PCI streeing*

12

7

PS/2 Compatible Mouse Port*

13

8

Numeric Data Processor

14

9

Primary IDE Channel

15

10

Secondary IDE Channel