User`s guide

8.5 PCI Interrupt Routing Map

Table 33 PCI Interrupt Routing Map

PIRQ PCI BUS

INT Line ¹

APIC Mode

IRQ

VGA HDA EHCI SM

Bus

LAN UHCI

UHCI

PCI-EX

Root Port 0

PCI-EX

Port 0

PCI-EX

Port 1

PCI-EX

Port 2

COMx

Slot #0

COMx

Slot #1

COMx

Slot #2

COMx

Slot #3

A INTA 16 x x x x x

B INTB 17 x x x x

C INTC 18 x x x x x

D INTD 19 x x x x x x

E 20 x x x x x

F 21 x x x x

G 22 x x x x x

H 23 x x x x x x

Note

These interrupt lines are virtual (message based)

8.6 I²C Bus

There are no onboard resources connected to the I²C bus. Address 16h is reserved for congatec Battery Management solutions.

8.7 SM Bus

System Management (SM) bus signals are connected to the Intel

CG82NM10 (NM10) PCH and the SM bus is not intended to be used by

off-board non-system management devices. For more information about this subject contact congatec technical support.