Pci interrupt request routing – MSI MS-6534 User Manual

Page 41

Advertising
background image

Chapter 2

2-28

Order 1 Order 2 Order 3 Order 4

AGP

INT A# INT B#

PCI Slot 1 INT A# INT B# INT C# INT D#

PCI Slot 2 INT B# INT C# INT D# INT A#

PCI Slot 3 INT C# INT D# INT A# INT B#

USB-1 INT

D#

USB-2 INT

H#

AC97 INT

B#

AGP & PCI Slot 1 shared.
PCI Slot 2 & AC97 shared.

PCI Slot 1~3: Bus Master

PCI Interrupt Request Routing

The IRQ, abbreviation of interrupt request line and pronounced I-R-Q,

are hardware lines over which devices can send interrupt signals to the
microprocessor. The “AGP/PCI/USB/AC’97 codec” IRQ pins are typically
connected to the PCI bus INTA#-INTH# pins as follows:

Advertising