Bolens P5S800-VM 1.8.3Interrupt assignments, Standard interrupt assignments, IRQ assignments for this motherboard

1.8.3Interrupt assignments

Standard interrupt assignments

I R Q	Priority	Standard Function
0	1	System Timer
1	2	Keyboard Controller
2	¥	Re-direct to IRQ#9
3	11	Communications Port (COM2)*
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 motherboard

	A	B	C	D	E	F	G	H
PCI slot 1	Ñ	Ñ	Ñ	Ñ	Ñ	Ñ	used	Ñ
PCI slot 2	Ñ	shared	Ñ	Ñ	Ñ	Ñ	Ñ	Ñ
PCI slot 3	Ñ	Ñ	Ñ	Ñ	Ñ	used	Ñ	Ñ
AGP 8X slot	shared	Ñ	Ñ	Ñ	Ñ	Ñ	Ñ	Ñ
Onboard USB controller 1	Ñ	Ñ	Ñ	Ñ	Ñ	Ñ	Ñ	shared
Onboard USB controller 2	Ñ	Ñ	Ñ	used	Ñ	Ñ	Ñ	Ñ
Onboard USB controller 3	Ñ	Ñ	used	Ñ	Ñ	Ñ	Ñ	Ñ
Onboard USB controller 4	shared	Ñ	Ñ	Ñ	Ñ	Ñ	Ñ	Ñ
Onboard USB 2.0 controller	Ñ	Ñ	Ñ	Ñ	Ñ	Ñ	Ñ	shared
Onboard LAN	Ñ	shared	Ñ	Ñ	Ñ	Ñ	Ñ	Ñ
Onboard audio	shared	Ñ	Ñ	Ñ	Ñ	Ñ	Ñ	Ñ
Onboard VGA	shared	Ñ	Ñ	Ñ	Ñ	Ñ	Ñ	Ñ

When using PCI cards on shared slots, ensure that the drivers support ÒShare IRQÓ 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.

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