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Chapter 3
Signals and Pinout Tables
52
Reference Manual
COM 830
PCI Bus Masters
The COM 830 supports 4 external PCI Bus Masters. There are no limitations in connecting bus master PCI
devices.
I²C Bus
There are no onboard resources connected to the I²C bus. Address 16h is reserved for Battery Management
solutions.
SM Bus
System Management (SM) bus signals are connected to the Intel® I/O Controller Hub 82801GHM
(ICH7M-DH) and the SM bus is not intended to be used by off-board non-system management devices. For
more information about this subject please contact Ampro technical support.
Table 3-31. PCI Interrupt Routing Map (continued)
PIRQ
Table
3-32.
LAN
SATA
Native
PCI-
EX
Root
Port
0
PCI-
EX
Root
Port
1
PCI-
EX
Root
Port
2
PCI-
EX
Root
Port
3
PCI-
EX
Root
Port
4
PCI-
EX
Root
Port
5
PCI
-EX
Port
0
PCI
-EX
Por
t 1
PCI
-EX
Port
2
PCI
-EX
Por
t 3
PCI
-EX
Por
t 4
A
x
x
x ²
x
5
x
4
x
3
x ²
B
x
x
x
x ³
x
2
x
5
x
4
x ³
C
x
x
4
x
3
x ²
x
5
x
4
D
x
x
x
5
x
4
x ³
x
2
x
5
E
F
G
H
NOTE
¹ These interrupts are available for external devices/slots on the X1 connector.
² Interrupt used by single function PCI Express devices (INTA).
³ Interrupt used by multifunction PCI Express devices (INTB).
4
Interrupt used by multifunction PCI Express devices (INTC).
5
Interrupt used by multifunction PCI Express devices (INTD).
NOTE
If there are two devices connected to the same PCI REQ/GNT pair and they are
transferring data at the same time then the latency time of these shared PCI
devices can not be guaranteed.
Summary of Contents for COM 830
Page 1: ...COM 830 Computer On Module Reference Manual P N 5001829A Revision A ...
Page 10: ...Chapter 1 About This Manual 4 Reference Manual COM 830 ...
Page 90: ...Chapter 4 BIOS Setup Description 84 Reference Manual COM 830 ...
Page 92: ...Appendix A Technical Support 86 Reference Manual COM 830 ...