Pci Interrupt Routing Map; I²C Bus; Sm Bus; Table 32 Pci Interrupt Routing Map - Congatec COM Express conga-TC87 User Manual

10.3

PCI Interrupt Routing Map

Table 32 PCI Interrupt Routing Map
PIRQ PCI BUS APIC
INT Line ¹ Mode IRQ
A INTA 16
B INTB 17
C INTC 18
D INTD 19
E 20
F 21
G 22
H 23
Note
These interrupt lines are virtual (message based).
1
Interrupt used by single function PCI Express devices (INTA).
2
Interrupt used by multifunction PCI Express devices (INTB).
3
Interrupt used by multifunction PCI Express devices (INTC).
4
Interrupt used by multifunction PCI Express devices (INTD).
5
10.4 I²C Bus
There are no onboard resources connected to the I²C bus. Address 16h is reserved for congatec Battery Management solutions.
10.5

SM Bus

System Management (SM) bus signals are connected to the Intel
non-system management devices. For more information about this subject, contact congatec technical support.
Copyright © 2013 congatec AG
Graphic HDA XHCI EHCI SM Bus +
Thermal
x x x
x
x
LAN SATA PCI-EX PCI-EX PCI-EX
Root Port Root Port Root Port 2
0 1
x
x
x
x
x
® 8 Series PCH-LP and the SM bus is not intended to be used by off-board
TU87m12
PCI-EX PCI-EX PCI-EX PCI-EX PCI-EX
Root Port 0 Port 1 Port 2 Port 3
Port 3
2 5 4
x x x x
x 3 x 2 x 5 x
x 4 x 3 x ² x
5 4
x x x x ³ x
74/114
3
4
5
2