MSI A55M-P35 - Manual (Page 27)

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MS-7697
Chapter 1
Expanson Slots
Ths manboard contans numerous ports for expanson cards, such as dscrete graphcs
or audo cards.
PCIe (Perpheral Component Interconnect Express) Slot
The PCIe slot supports the PCIe nterface expanson card.
PCIe 2.0 x16 Slot
PCIe x1 Slot
PCI (Perpheral Component Interconnect) Slot
The PCI slot supports addtonal LAN, SCSI, USB, and other add-on cards that comply
wth PCI specficatons.
32-bt PCI Slot
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:
Order1 Order2 Order3 Order4
PCI Slot1 INT E# INT F# INT G# INT H#
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.