Fujitsu S-5582 manual IRQ Reservation Submenu of the PCI Configuration Submenu, Available

L i f e B o o k S 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.

C A U T I O N

Only IRQ’s 9, 10, & 11 can be reserved without conflict.

		PhoenixBIOS Setup Utility
Main	Advanced	Security	Power Savings	Exit
	IRQ Reservation			Item Specific Help
IRQ 3:	[Available]			Reserve the specified
IRQ 4:	[Available]			IRQ for use by legacy
IRQ 5:	[Available]			ISA devices.
IRQ 7:	[Available]
IRQ 9:	[Available]
IRQ 10:	[Available]
IRQ 11:	[Available]
IRQ 15:	[Available]

F1	Help	Select	Item	-/Space		Change	Values
ESC	Exit	Select	Menu		Enter	Select	▲ Sub-Menu
			Figure 10.		IRQ Reservation Submenu

F9 Setup Defaults

F10 Save and Exit

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	[Available]	Reserves IRQ 3. If Reserved is selected, the BIOS reserves IRQ 3 for
	■	Reserved		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	[Available]	Reserves IRQ 4.
	■	Reserved
IRQ 5:	■	Available	[Available]	Reserves IRQ 5.
	■	Reserved
IRQ 7:	■	Available	[Available]	Reserves IRQ 7.
	■	Reserved

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