MSI MS-6577 Specifikace stáhnout pdf (Strana 31)

Chapter 2

2-26

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 INT

A# ~ INT H# pins as follows:

Order 1 Order 2 Order 3 Order 4

PCI Slot 1 INT F# INT G# INT H# INT E#

PCI Slot 2 INT G# INT H# INT E# INT F#

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

LAN Controller INT H# INT E#

AGP Slot INT A# INT B#

1394 Controller INT H#

1 2 ... 26 27 28 29 30 31

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MSI MS-6577 Specifikace Strana 31