Pci (Peripheral Component Interconnect) Slots; Pci Interrupt Request Routing - MSI 915GLM4-F User Manual

PCI (Peripheral Component Interconnect) Slots

The PCI slots allow you to insert the expansion cards to meet your
needs. W hen adding or removing expansion cards, make sure that you unplug
the power supply first. Meanwhile, read the documentation for the expansion
card to make any necessary hardware or software settings for the expansion
card, such as jumpers, switches or BIOS configuration.

PCI Interrupt Request Routing

The IRQ, abbreviation of interrupt request line and pronounced I-R-Q, are
hardware lines over whic h devic es c an send interrupt s ignals to the
microprocessor. The PCI IRQ pins are typically connected to the PCI bus INT A#
~ INT D# pins as follows:
PCI Slot 1
PCI Slot 2
PCI Slot 3
PCI Slots
Order 1 Order 2
INT A# INT B#
INT B# INT C#
INT C# INT D#
Hardware Setup
Order 3 Order 4
INT C# INT D#
INT D# INT A#
INT A# INT B#
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