Siemens SIMATIC Rack PC 840 Manual page 87

"PCI IRQ line" Field
Figure 5-13
Disabled
AutoSelect
3 to 15
Assignment of the PCI IRQ lines to the PCI slots.
Rack 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 Rack PC 840 Manual
A5E00104826-03
PhoenixBIOS Setup Utility
Advanced
PCI Configuration
PCI/PNP ISA IRQ Resource Exclusion
PCI IRQ line 1:
PCI IRQ line 2:
PCI IRQ line 3:
PCI IRQ line 4:
Help Select Item
F1
ESC Exit Select Menu
"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 Slot 2
line 1 line 2
line 2 line 3
line 3 line 4
line 4 line 1
Configuring the SIMATIC Rack PC 840
Item Specific Help
Reserves the specified
IRQ for use by legacy
ISA devices
Disabled
Autoselect
3
4
5
7
9
10
11
12
14
15
+ / – Change Values
Select
Enter Sub-Menu
Slot 3 Slot 4 Slot 5
line 3 line 4 line 1
line 4 line 1 line 2
line 1 line 2 line 3
line 2 line 3 line 4
F9 Setup Defaults
F10 Save and Exit
Slot 6 Slot 7
line 2 line 3
line 3 line 4
line 4 line 1
line 1 line 2
5-17