Annex: Resources
Beckhoff New Automation Technology
CB4055
page 97
Address
Function
IRQ14
IRQ15
PCI Devices
All listed PCI devices exist on the board. Some PCI devices or functions of devices may be disabled in the
BIOS setup. Once a device is disabled other devices may get PCI bus numbers different from the ones
listed in the table.
AD
INTA
REQ
Bus
Dev.
Fct.
Controller / Slot
-
-
0
0
0
Host Bridge ID0104h
A
-
0
2
0
VGA Graphics ID0106h
A
-
0
25
0
LAN QM67 ID1502h
A
-
0
26
0
USB EHCI Controller #2 QM67 ID1C2Dh
A
-
0
27
0
HDA Controller QM67 ID1C20h
A
-
0
28
0
PCI Express Port 1 QM67 ID1C10h
B
-
0
28
1
[PCI Express Port 2 QM67 ID1C12h]
C
-
0
28
2
[PCI Express Port 3 QM67 ID1C14h]
D
-
0
28
3
[PCI Express Port 4 QM67 ID1C16h]
A
-
0
28
4
PCI Express Port 5 QM67 ID1C18h
B
-
0
28
5
PCI Express Port 6 QM67 ID1C1Ah
A
-
0
29
0
USB EHCI Controller #1 QM76 ID1C26h
-
-
0
31
0
ISA Bridge QM67 ID1C4Fh
B
-
0
31
2
SATA Interface QM67 ID1C03h
B
-
0
31
3
SMBus Interface QM67 ID1C22h
A
-
m
0
0
LAN 82547L ID10D3h
SMB Devices
The following table contains all reserved SM-Bus device addresses in 8-bit notation. Note that external
devices must not use any of these addresses even if the component mentioned in the table is not present
on the motherboard.
Address
Function
10-11
Standard slave address
40-41
GPIO
60-61
BIOS internal
70-73
POST code output
88-89
BIOS-defined slave address
A0-A1
DIMM 1
A2-A3
DIMM 2
A4-AF
BIOS internal
B0-BF
BIOS internal
D2-D3
Clock
