Siemens Simatic IPC647C - Page 171

Detailed descriptions
16.2 Bus boards
SIMATIC IPC647C
Operating Instructions, 12/2010, A5E02669337-02
171
Interrupt assignment of the edge-socket connector on the bus board with 1x PCI and 1xPCIe x4
1) Host PCI-IRQ A to H is permanently assigned to IRQ 16 to 23 in APIC mode. Host PCI-IRQ A to H is automatically assigned to IRQ 0 to 15 in PIC mode by the BIOS.
E, F are exclusive interrupts
Comment
IRQ number
IRQ (APIC)
IRQ
Y = Interrupt in APIC mode, Z = BIOS default interrupt in PIC mode (e.g. DOS)
Host
IRQ line
1 (PCIe x16)
IRQ
PCI IRQ A PCI IRQ B
PCI IRQ C
3 (PCIe x4)
PCI IRQ A PCI IRQ B
PCI IRQ C PCI IRQ D
2 (PCI)
PCI IRQ D
Slot no. in BIOS
ID on enclosure 1
2
3
Z
Z
Z
Z
Z
Z
Z
Z
Z
Y
Y
Y
Y
Y
Y
Y
Y
Y
1)
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
A B C D E F G H
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23