PCI IRQ Routing

The PCI IRQ Routing sub-menu allows you to set IRQ for PCI devices.

CAUTION: The parameters in this screen are for advanced users only. Typically, you do not need to change the values in this screen because these values are already optimized.

PhoenixBIOS Setup Utility

Advanced

PCI IRQ Routing

Item Specific Help

PIRQ A# :[11]

 

 

 

PCI

devices can use

PIRQ B# :[10]

 

 

 

hardware interrupts called

PIRQ C# :[11]

 

 

 

IRQs.

A PCI device

PIRQ D# :[10]

 

 

 

cannot use IRQs already

PIRQ E# :[11]

 

 

 

in use by ISA or EISA

PIRQ F# :[10]

 

 

 

devices. Use ‘Auto’ only if

PIRQ G# :[11]

 

 

 

no ISA or Eisa legacy

PIRQ H# :[10]

 

 

 

cards are installed.

 

 

 

 

 

 

F1 Help

Select Item

F5/F6 Change Values

F9

Setup Defaults

 

Esc Exit

Select Menu

Enter Select > Sub-Menu

F10

Save and Exit

 

Parameter

Description

Options

 

 

 

 

PIRQ A-H#

￿￿

Set default IRQ of PCI device.

IRQ 10 or IRQ11, Disabled,

 

Help: PCI devices can use hardware interrupt called

Auto Select, IRQ3, IRQ7

 

IRQs. A PCI device cannot use IRQs already in use

 

 

by ISA or EISA devices. Use “Auto” only if no ISA or

 

 

EISA legacy cards are installed.

 

 

 

 

 

 

 

Chapter 2

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Image 53
Acer 230, 280 manual PCI IRQ Routing, Pirq A#, Devices can use, Pirq B#, IRQ 10 or IRQ11, Disabled