Int'l. Co. Ltd. Computer Hardware User Manual

MS-7563 Mainboard
2-22
PCI Interrupt Request Routing
The IRQ, acronym of interrupt request line and pronounced I-R-Q, are hardware lines
over which devices can send interrupt signals to the microprocessor. The PCI IRQ
pins are typically connected to the PCI bus pins as follows:
Order 1 Order 2 Order 3 Order 4
PCI Slot 1 INT A# INT B# INT C# INT D#
PCI Slot 2 INT B# INT C# INT D# INT A#
7563v1.0CH2 Hardware Setup.p65 2008/11/11, 下午 05:3622