MSI H67A-G43 (B3) - Slots

2-18
Hardware Setup
Slots
PCIe (Perpheral Component Interconnect Express) Slot
The PCIe slot supports the PCIe nterface expanson card.
PCIe x16 Slot
PCIe x1 Slot
PCI (Perpheral Component Interconnect) Slot
The PCI slot supports LAN card, SCSI card, USB card, and other add-on cards that
comply wth PCI spec󰘰catons.
32-bt PCI Slot
Important
When addng or removng expanson cards, make sure that you unplug the power sup-
ply 󰘰rst. Read the documentaton for the expanson card to con󰘰gure any necessary
hardware or software settngs, such as jumpers, swtches or BIOS con󰘰guraton.
PCI Interrupt Request Routng
IRQ, or nterrupt request lne, are hardware lnes over whch devces can send nterrupt
sgnals to the mcroprocessor. The PCI IRQ pns are typcally connected to the PCI bus
pns 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#