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L i f e B o o k P S e r i e s N o t e b o o k B I O S
IRQ Reservation Submenu of the PCI Configurations Submenu
The IRQ Reservation submenu of the PCI Configurations 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:
IRQ 15:
F1
ESC
Table 8: Fields, Options and Defaults for the IRQ Reservation Submenu of the PCI Configurations Submenu
Menu Field
Options
IRQ 3:
• Available
• Reserved
IRQ 4:
• Available
• Reserved
IRQ 5:
• Available
• Reserved
IRQ 7:
• Available
• Reserved
IRQ 9:
• Available
• Reserved
IRQ 10:
• Available
• Reserved
IRQ 11:
• Available
• Reserved
IRQ 15:
• Available
• Reserved
12
PhoenixBIOS Setup Utility
Advanced
Security
IRQ Reservation
[Available]
[Available]
[Available]
[Available]
[Available]
[Available]
[Available]
[Available]
Help
Select Item
Exit
Select Menu
Figure 8. IRQ Reservation Submenu
Default
[Available]
[Available]
[Available]
[Available]
[Available]
[Available]
[Available]
[Available]
Power Savings
Exit
-/Space
Change Values
Enter
Select
Sub-Menu
Description
Reserves IRQ 3. If Reserved is selected, BIOS reserves IRQ 3 for use by
legacy ISA devices and does not use it for embedded PCI/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.
Reserves IRQ 9.
Reserves IRQ 10.
Reserves IRQ 11.
Reserves IRQ 15.
Item Specific Help
Reserve the specified
IRQ for use by legacy
ISA devices.
F9
Setup Defaults
F10
Save and Exit
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