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LifeBook S Series BIOS
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.
Figure 10. IRQ Reservation Submenu
CAUTION
Only IRQ's 9, 10, & 11 can be reserved without conflict.
Table 10: Fields, Options and Defaults for the IRQ Reservation Submenu of the
PCI Configuration Submenu of the Advanced Menu
Menu Field Options Default Description
IRQ 3:
■
Available
■
Reserved
[Available] 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.
IRQ 4:
■
Available
■
Reserved
[Available] Reserves IRQ 4.
IRQ 5:
■
Available
■
Reserved
[Available] Reserves IRQ 5.
IRQ 7:
■
Available
■
Reserved
[Available] Reserves IRQ 7.
F1 Help
ESC Exit
Select Item
Select Menu
-/Space
Enter
F9 Setup Defaults
F10 Save and Exit
Change Values
Select Sub-Menu
▲
Main Advanced Security Power Savings Exit
Item Specific Help
Reserve the specified
IRQ for use by legacy
ISA devices.
IRQ Reservation
PhoenixBIOS Setup Utility
IRQ 3: [Available]
IRQ 4: [Available]
IRQ 5: [Available]
IRQ 7: [Available]
IRQ 9: [Available]
IRQ 10: [Available]
IRQ 11: [Available]
IRQ 15: [Available]
Thyme2 BIOS.fm Page 18 Thursday, May 31, 2001 2:52 PM