Siemens PC 670 manual Submenu PCI/PNP ISA IRQ Resource Exclusion, IRQ Available

Release 04/02 Configuring the Computing Unit in BIOS Setup

Option ROM	[Enabled]	The option ROM of the PCI module (if present) is
Scan:		enabled
	[Disabled]	The option ROM of a PCI module is disabled.
Enable Master:	[Enabled]	This slot can assume the PCI master function
	[Disabled]	This slot can only operate as a PCI slave.
Latency Timer	[Default]	The number of active PCI clock cycles of the master
		modules are determined by the module
	[0020H	With these settings, the maximum active PCI clock
		to is set to the selected
	00E0H]	values.

Submenu “PCI/PNP ISA IRQ Resource Exclusion”

“Available” means that the BIOS Plug and Plug device can assign IRQs to Plug and Play compatible modules or main board functions.

You should only change it “Reserved” if the specific interrupt is to be assigned to not Plug and Play compatible PCMCIA modules.

PhoenixBIOS Setup Utility

Advanced

	PCI/PNP ISA IRQ Resource Exclusion			Item Specific Help
IRQ 3:	[	Available	]
IRQ 4:	[Available]			Reserves the specified
IRQ 5:	[Available]			IRQ for use by legacy
IRQ 9:	[Available]			ISA devices
IRQ 10:	[Available]
IRQ 11:	[Reserved]

F1 Help ESC Exit

Select Item	+ / –	Change Values	F9	Setup Defaults
Select Menu	Enter	Select Sub-Menu	F10	Save and Exit

Figure 5-13 ”PCI / PNP ISA IRQ Resource Exclusion” Submenu

Panel PC 670 Computing Unit, Equipment Manual 5-19