Siemens SIMATIC IPC547E Operating Instructions Manual page 109

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SIMATIC IPC547E
Operating Instructions, 09/2013, A5E32317120-AA
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.
Interrupt PIC and APIC mode
Interrupt APIC mode
BIOS Default Interrupt PIC mode, e.g. DOS
Technical specifications
8.5 Hardware description
109