MSI G41M-P26 manual Pcie Slot, PCI Slot, PCI Interrupt Request Routing

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PCIE Slot

The PCIE slot supports the PCIE interface expansion card.

The PCIE 2.0 x16 slot

PCI Slot

The PCI slot supports LAN card, SCSI card, USB card, and other add-on cards that comply with PCI specifications.

Important

Make sure that you unplug the power supply first. Meanwhile, read the documen- tation for the expansion card to configure any necessary hardware or software set- tings for the expansion card, such as jumpers, switches or BIOS configuration.

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		2		3		4
Slot
PCI 1		INT A#		INT B#		INT C#		INT D#
PCI 2		INT B#		INT C#		INT D#		INT A#

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