Hardware description
A.3 Bus board
SIMATIC IPC847E
Operating Instructions, 10/2018, A5E43920357-AA
185
Interrupt assignment of the slots for expansion cards on the backplane
Note
All system resources (hardware addresses, memory allocation, interrupt allocation, DMA
channels) are dynamically assigned by the firmware or the operating system based on the
hardware equipment, drivers, installed
expansion cards and connected external devices.
The assignment is made automatically and depends on the requested resources of the
connected devices and installed components. Due to this configuration dependency, clear
statements can only be made by determ
ining them in relation to the system in the final
The resources can be viewed in Windows as follows:
Press the "Windows® key" and "R" simultaneously.
Enter the "msinfo32" command in the "Open" field.
Click "OK" to confirm.
Variant 1: 9 slots (2 x PEG / 7 x PCI)
You can find information about this bus board version under "Slots for expansion cards on
the bus board (Page 182)".
Slot Con-
nector
Type
Slot 1
PCI
Slot 2
PCI
Slot 3
PCI
Slot 4
PEG
Gen3
Slot 5
PEG
Gen3
Slot 6
PCI
Slot 7
PCI
Slot 8
PCI
Slot 9
PCI
Slot 10
Not used
Slot 11
Not used
Host De-
vice
PCH
Port 8
PCI Dev
PCH
Port 8
PCI
PCH
Port 8
PCI Dev
PEG
0:1:1
PEG
0:1:0
PCH
Port 20
PCI Dev
PCH
Port 20
PCI Dev
PCH
Port 20
PCI Dev
PCH
Port 20
PCI Dev
Bus
APIC Inter-
Primary A Primary B
Organiza-
Request
Req0 Req1 Req2 Req0 Req1 Req2 Req3
Grant (A17) Gnt0 Gnt1 Gnt2 Gnt0 Gnt1 Gnt2 Gnt3
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