Siemens SIMATIC Rack PC 840 Manual page 86

Configuring the SIMATIC Rack PC 840
"PCI/PNP ISA IRQ Resource Exclusion" Submenu
Available means that the Plug and Play mechanism in BIOS can allocate the IRQ
to Plug and Play submodules or motherboard functions.
Use the 'Reserved' setting only if the interrupt has to be assigned specifically to
submodules with no Plug and Play capability.
Figure 5-12
5-16
PhoenixBIOS Setup Utility
Advanced
PCI/PNP ISA IRQ Resource Exclusion
[ Available ]
IRQ 3:
IRQ 4: [Available]
IRQ 5: [Available]
IRQ 9: [Available]
IRQ 10: [Available]
IRQ 11: [Reserved]
IRQ 12: [Available]
Help Select Item
F1
ESC Exit Select Menu
"PCI / PNP ISA IRQ Resource Exclusion" Submenu
Item Specific Help
Reserves the specified
IRQ for use by legacy
ISA devices
+ / – Change Values F9
Select
Enter Sub-Menu F10
SIMATIC Rack PC 840 Manual
Setup Defaults
Save and Exit
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