9.15
Interrupt assignment of the slot connectors on the bus board
Changes and supplements to section 8.5.2.3 of the operating instructions.
Nota
All system resources (hardware addresses, memory allocation, interrupt assignment, DMA
channels) are assigned dynamically by the BIOS or the Windows operating system,
depending on the hardware equipment, drivers, installed expansion cards and connected
external devices.
Assignment is automatic and depends on the demanded resources of the connected devices
and the inserted modules. Due to this configuration dependency, clear statements can only
be made by determining them in relation to the system in the final configuration. Resources
may be viewed as follows under Windows:
1. Press the "Windows key" and "R" simultaneously.
The "Run" dialog box opens.
2. Enter "msinfo32" in the "Open" field.
3. Confirm your entry with "OK".
The following tables 1, 2 and 3 are examples of assignments if the system is operated in PIC
mode (legacy mode).
The tables apply to the configuration with an expansion module which uses only one
interrupt, e.g. PCI module which uses the INTA# interrupt, connected to pin A6 of the PCI
bus connector.
Bus board 7x PCI, 3x PCIe x4, 1x PCIe x16
Affected order numbers: 6AG4114-2xxx0-xxxx and 6AG4114-2xxx2-xxxx
Table 1
Slot
1
2
Type
PCIe
PCIe
4x
4x
PCH
PCH
1 lane*
1 lane*
IRQ
0x05
0x0A
* Number of active PCIe lanes in the direct connector of the slot
SIMATIC IPC847D
Instrucciones de servicio, 03/2018, A5E32997461-AC
9.15 Interrupt assignment of the slot connectors on the bus board
3
4
5
PCIe
4x
PCH
PCI
PCI
1 lane*
0x0B
0x0B
0x0A
IMPORTANT: Updated information for IPC847D
6*
7**
8**
PCIe
PCI
x16
behind
PCI
CPU
bridge
16 la-
nes*
0x05
0x05
0x0A
9
10
11
PCI
PCI
PCI
behind
behind
behind
bridge
bridge
bridge
0x0B
0x0A
0x05
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