Siemens SIMATIC PG 760 PII Manual page 72

Configuring the PG 760 PII
Submenu PCI/PNP
Available means that the IRQ can be allocated to Plug and Play modules or
ISA IRQ Resource given a mother board function by the Plug and Play mechanism of the BIOS.
Exclusion
You should only use the Reserved setting if the interrupt does not have to be
assigned to Plug and Play ISA modules in the application software.
Figure 5-14 "PCI / PNP ISA IRQ Resource Exclusion" Submenu
5-18
PhoenixBIOS Setup Utility.
Main Advanced Security
PCI / PNP ISA IRQ Resource Exclusion
IRQ 3: [Available]
IRQ 4: [Available]
IRQ 5: [Available]
[Available]
IRQ 7:
IRQ 9: [Available]
IRQ 10: [Available]
IRQ 11: [Available]
IRQ 15: [Available]
F1 Help Select Item + / –
ESC Exit Select Menu Enter Select
Power Exit
Item Specific Help
Reserves the specified
IRQ for use by legacy
ISA devices
Change Values F9
Sub-Menu F10
PG 760 PII Programming Device
C79000-G7076-C766-01
Setup Defaults
Save and Exit