Siemens SIMATIC Box PC 840 Manual page 99

"PCI IRQ line" Field
PCI/PNP ISA Resource Exclusion
PCI IRQ line 1:
PCI IRQ line 2:
PCI IRQ line 3:
PCI IRQ line 4:
F1 Help
ESC Exit
Figure 5-13
Disabled
AutoSelect
3 to 15
Assignment of the PCI IRQ lines to the PCI slots.
Box PC 840
Module Interrupt
(Pin No.)
INT – A (A6)
INT – B (B7)
INT – C (A7)
INT – D (B8)
gray highlighting indicates slot module main interrupt
SIMATIC Box PC 840 Manual
A5E00085984-04
PhoenixBIOS Setup Utility.
Advanced
PCI Configuration
Disabled
Auto Select
3
4
5
7
9
10
11
12
14
15
Select Item + / – Change Values
Select Menu Enter Select
"PCI Configuration" Submenu
No interrupt possible for this PCI-IRQ line
Plug and Play mechanism in BIOS selects unassigned interrupts and
allocates them to the on-board PCI devices.
The PCI-IRQ line is assigned to the selected interrupt.
Do not use this setting unless it is specifically required in your application
documentation.
PCI Module Interrupt Assignment (PCI-IRQ) in:
Slot 1
line 1
line 2
line 3
line 4
Configuring the SIMATIC Box PC 840
Item Specific Help
PCI devices can use
hardware interrupts
called IRQs. A PCI
device cannot use IRQs
already in use by ISA or
EISA devices. Use 'Auto'
only if no ISA or EISA
legacy cards are installed
F9 Setup Defaults
Sub-Menu F10 Save and Exit
Slot 2 Slot 3
line 2 line 3
line 3 line 4
line 4 line 1
line 1 line 2
Slot 4
line 4
line 1
line 2
line 3
5-17