Detailed descriptions
16.2 Bus boards
SIMATIC IPC647C
170
Operating Instructions, 12/2010, A5E02669337-02
Interrupt assignment of the edge-socket connector on the bus board with 2 x PCI
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 assigned to IRQ 0 to 15 automaticall
y 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 m
ode (e.g. DOS)
Host
IRQ line
1 (PCIe x16)
IRQ
PCI IRQ A
PCI IRQ B
PCI IRQ C
3 (PCI)
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
Summary of Contents for Simatic IPC647C
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