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L i f e B o o k E S e r i e s B I O S
IRQ Reservation Submenu of the PCI Configuration Submenu
The IRQ Reservation submenu of the PCI Configuration
submenu allows the user to mark various IRQs as
reserved for use by legacy ISA devices. When an IRQ is
reserved, the BIOS does not use it for embedded PCI or
ISA devices.
Main
IRQ 3:
IRQ 4:
IRQ 5:
IRQ 7:
IRQ 9:
IRQ 10:
IRQ 11:
F1
Help
ESC
Exit
Table 10: Fields, Options and Defaults for the IRQ Reservation Submenu of the
PCI Configuration Submenu of the Advanced Menu
Menu Field
Options
IRQ 3:
Available
Reserved
IRQ 4:
Available
Reserved
IRQ 5:
Available
Reserved
IRQ 7:
Available
Reserved
18
PhoenixBIOS Setup Utility
Advanced
Security
IRQ Reservation
[Available]
[Available]
[Available]
[Available]
[Available]
[Available]
[Available]
Select Item
-/Space
Select Menu
Enter
Figure 10. IRQ Reservation Submenu
Default
[Available]
[Available]
[Available]
[Available]
C A U T I O N
Only IRQ's 9, 10, & 11 can be reserved without conflict.
Power Savings
Exit
Item Specific Help
Reserve the specified
IRQ for use by legacy
ISA devices.
Change Values
Select
Sub-Menu
Description
Reserves IRQ 3. If Reserved is selected, the BIOS reserves IRQ 3 for
use by legacy ISA devices and does not use it for embedded PCI or
ISA devices. IRQ 3 is removed from the IRQ bitmap in the PCI IRQ
routing table.
Reserves IRQ 4.
Reserves IRQ 5.
Reserves IRQ 7.
F9
Setup Defaults
F10
Save and Exit
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