Siemens SIMATIC IPC547E - Page 125

Technical specifications
8.5 Hardware description
SIMATIC IPC547E
Operating Instructions, 02/2014, A5E32317120-AB
125
Slot-specific interrupt assignment
Interrupt routing of the slot connectors on the motherboard.
1)
Host PCI
-IRQ A to H is assigned to IRQ 16 to 23 permanently in APIC mode. Host
PCI
-IRQ A to H is assigned to IRQ 0 to 15 automatically by the BIOS in PIC mode.
A specific assignment cannot be forced.
Y
Interrupt APIC mode
Z
BIOS Default Interrupt PIC mode, e.g. DOS