Siemens SIMATIC IPC647E Operating Instructions Manual page 176

Hardware description
A.3 Bus board
Variant 2: 4-slot, 2 x PCIe, 2 x PCIe / with piggyback
For details on this bus board version, see "Expansion card slots on the bus board
(Page 173)".
Slot Connector
Type
Host Device
Bus
APIC Interrupt
INT A
INT B
INT C
INTD
Variant 3: 2-slot, 2 x PCIe / without piggyback
For details on this bus board version, see "Expansion card slots on the bus board
(Page 173)".
Slot Connector
Type
Host Device
Bus
APIC Interrupt
INT A
INT B
INT C
INT D
See also
Interrupt assignments (Page 181)
176
Slot 1 Slot 4
PCIe PCIe
Gen3 Gen3
1 lane
4 lane
PCH PCH
Port 9 Port 19
(0:1B.00) (1:1B.01)
PIRQ A PIRQ C
PIRQ B PIRQ D
PIRQ C PIRQ A
PIRQ D PIRQ B
Slot 1
PCIe
Gen3
4 lane
PCH
Port 9
(1:1B.0)
PIRQ B
PIRQ C
PIRQ D
PIRQ A
Slot 3 Slot 2
PEG PEG
Gen3 Gen3
8 lane 8 lane
PEG PEG
0:1:0 0:1:1
PIRQ A PIRQ B
PIRQ B PIRQ C
PIRQ C PIRQ D
PIRQ D PIRQ A
Slot 4
PEG
Gen3
16 lane
PEG
0:1:0
PIRQ A
PIRQ B
PIRQ C
PIRQ D
Operating Instructions, 11/2018, A5E45589180-AA
M.2
PCIe
Gen3
4 lane
PCH
Port 21
PIRQ A
PIRQ B
PIRQ C
PIRQ D
M.2
PCIe
Gen3
4 lane
PCH
Port 21
PIRQ A
PIRQ B
PIRQ C
PIRQ D
SIMATIC IPC647E