Pci configuration space map, 5 pci configuration space map, Interrupt request (irq) lines (cont’d) apic mode – ADLINK Express-LPC User Manual

Page 31

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Page 31

Express-IA533 User’s Manual

Page 31

Express-IA533 User’s Manual

Express-LPC User’s Manual

Page 31

Interrupt Request (IRQ) Lines (cont’d)

APIC Mode

IRQ#

Typical Interrupt Resource

Connected

Available

0

Counter 0

N/A

No

1

Keyboard controller

N/A

No

2

Cascade interrupt from slave PIC

N/A

No

3

Serial Port 2 (COM2) / PC

IRQ3 via SERIRQ

Note (1)

4

Serial Port 1 (COM1) / PCI

IRQ4 via SERIRQ

Note (1)

5

Parallel Port 2 (LPT2) / PCI

IRQ5 via SERIRQ

Note (1)

6

Floppy Drive Controller

IRQ6 via SERIRQ

No

7

Parallel Port 1 (LPT1) / PCI

IRQ7 via SERIRQ

Note (1)

8

Real-time clock

N/A

No

9

ACPI

N/A

No

10

PCI

IRQ10 via SERIRQ

Note (1)

11

PCI

IRQ11 via SERIRQ

Note (1)

12

PS/2 Mouse / PCI

IRQ12 via SERIRQ

Note (1)

13

Math Processor

N/A

No

14

Primary IDE controller / PCI

IRQ14 via SERIRQ

Note (1)

15

Secondary IDE controller / PCI

IRQ15 via SERIRQ

Note (1)

16

N/A

PCI Slot INT A, USB, VGA controller,

Yes

High Definition Audio controller

17

N/A

PCI Slot INT B, PCI-E Gigabit Ethernet NIC

Yes

18

N/A

PCI Slot INT C, USB

Yes

19

N/A

PCI Slot INT D, USB controller

Yes

20

N/A

No

21

N/A

No

22

N/A

No

23

N/A

EHCI, USB

No

(1) These IRQs can be used for PCI devices when onboard device is disabled.

7.5 PCI Configuration Space Map

Bus No. Device No.

Function No.

Routing

Description

00h

00h

00h

N/A

Intel 945 GME GMCH Host-Hub Interface Bridge

00h

02h

00h

Internal

Intel Integrated Graphics Device

00h

02h

01h

Internal

Intel Integrated Graphics Device (Function 1)

00h

1Bh

00h

Internal

High Definition Audio controller

00h

1Ch

00h

Internal

Intel ICH Express Root port

00h

1Dh

00h

Internal

Intel USB UHCI Controller 1

00h

1Dh

01h

Internal

Intel USB UHCI Controller 2

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