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MS-7758 Motherboard
Expanson Slots
Ths motherboard contans numerous ports for expanson cards, such as dscrete
graphcs or audo cards.
PCIe Expanson Slot
The PCIe slot supports the PCIe nterface expanson card.
PCI Expanson Slot
The PCI slot supports addtonal LAN, SCSI, USB, and other add-on cards that comply
wth PCI specficatons.
Important
When addng or removng expanson cards, always turn off the power supply and
unplug the power supply power cable from the power outlet. Read the expanson card's
documentaton to check for any necessary addtonal hardware or software changes.
PCI Interrupt Request Routng
IRQ, or nterrupt request lnes, are hardware lnes over whch devces can send nterrupt
requests to the processor. The PCI IRQ pns are typcally connected to the PCI bus pns
as followed:
PCI Slot1
PCI Slot2
PCI Slot3
En-16
Order1
Order2
Order3
INT A#
INT B#
INT C#
INT B#
INT C#
INT D#
INT C#
INT D#
INT A#
PCIe 3.0 x16 Slot
PCIe 2.0 x16 Slot
PCIe 2.0 x1 Slot
32-bt PCI Slot
Order4
INT D#
INT A#
INT B#
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