Siemens SIMATIC Box PC 820 - Page 94

2-56
Box PC 820 / PC FI45 V2, Manual
A5E00051531-03
Option “PCI IRQ Line”
PhoenixBIOS Setup Utility.
Item Specific Help
F1
ESC
Help
Exit
Select Item
Select Menu
+ / –
Enter Select
Change Values F9
F10
Setup Defaults
Save and Exit
Sub-Menu
Advanced
PCI Configuration
PCI devices can use
hardware interrupts cal-
led IRQs. A PCI device
cannot use IRQs already
in use by ISA or EISA de-
vices. Use ’Auto’ only if
no ISA or EISA legacy
cards are installed
PCI IRQ line 1:
PCI IRQ line 2:
PCI IRQ line 3:
PCI IRQ line 4:
PCI Device, Slot #1
PCI Device, Slot #2
PCI Device, Slot #3
PCI/PNP ISA Resource Exclusion
Disabled
Auto Select
3
4
5
7
9
10
11
12
14
15
Figure 2-21 “PCI Configuration” Submenu
Disabled 1
No interrupt possible for the selected PCI IRQ line
AutoSelect Plug & Play mechanism of the BIOS selects free interrupts and assigns
them to the PCI module.
3 to 15 The selected PCI IRQ line is assigned to the selected interrupt.
You should only select this setting if it is specifically required in the
documentation for your PCI module or application.
Assignment of the PCI IRQ Line to the PCI Slots.
Slot 1 PCI module interrupt
PCI IRQ Line 1 INT - A
PCI-IRQ Line 2 INT - B
PCI IRQ Line 3 INT - C
PCI IRQ Line 4 INT - D
Slot 2 PCI module interrupt
PCI IRQ Line 1 INT - B
PCI-IRQ Line 2 INT - C
PCI IRQ Line 3 INT - D
PCI IRQ Line 4 INT - A
Slot 3 PCI module interrupt
PCI IRQ Line 1 INT - C
PCI-IRQ Line 2 INT - D
PCI IRQ Line 3 INT - A
PCI IRQ Line 4 INT - B
Motherboard
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