Arkon AIMB-256 user manual Configuring an Expansion Card, Standard Interrupt Assignments, PCI Slot

5.Secure the card to the chassis with the screw you removed earlier.

6.Replace the system cover.

1.6.2Configuring an Expansion Card

After installing the expansion card, configure it by adjusting the software settings.

1.Turn on the system and change the necessary BIOS settings if any.

2.Assign an IRQ to the card if needed. Refer to the tables on the next page.

3.Install the software drivers for the expansion card.

1.6.3Standard Interrupt Assignments

Table 1.5: Standard Interrupt Assignments

IRQ	Priority	Standard Function
0	1	System Timer
1	2	Keyboard Controller
2	-	Redirect to IRQ#9
3	11	IRQ holder for PCI steering*
4	12	Communications Port (COM1)*
5	13	IRQ holder for PCI steering*
6	14	Floppy Disk Controller
7	15	Printer Port (LPT)*
8	3	System CMOS/Rear Time
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

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

1.6.4PCI Slot

AIMB-256 has one PCI slot. The PCI slot supports 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 in a PCI slot.

Chapter 1 Production Introduction

17 AIMB-256 User Manual