MSI H67A-G43 (B3) - Manual (Page 34)

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Hardware Setup
Slots
PCIe (Perpheral Component Interconnect Express) Slot
The PCIe slot supports the PCIe nterface expanson card.
PCIe x16 Slot
PCIe x1 Slot
PCI (Perpheral Component Interconnect) Slot
The PCI slot supports LAN card, SCSI card, USB card, and other add-on cards that
comply wth PCI specficatons.
32-bt PCI Slot
Important
When addng or removng expanson cards, make sure that you unplug the power sup-
ply first. Read the documentaton for the expanson card to configure any necessary
hardware or software settngs, such as jumpers, swtches or BIOS configuraton.
PCI Interrupt Request Routng
IRQ, or nterrupt request lne, are hardware lnes over whch devces can send nterrupt
sgnals to the mcroprocessor. The PCI IRQ pns are typcally connected to the PCI bus
pns as follows:
Order1 Order2 Order3 Order4
PCI Slot1 INT A# INT B# INT C# INT D#
PCI Slot2 INT B# INT C# INT D# INT A#
PCI Slot3 INT C# INT D# INT A# INT B#