User`s manual

1-17
MS-7793
Chapter 1
Expanson Slot
Ths manboard contans numerous ports for expanson cards, such as dscrete graphcs
or audo cards.
PCIe Slot
The PCIe slot supports the PCIe nterface expanson card.
PCIe 2.0 x1 Slot
PCIe 2.0 x16 Slot
PCI Slot
The PCI slot supports addtonal LAN, SCSI, USB, 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, always turn o the power supply and
unplug the power supply power cable from the power outlet. Read the expanson card’s
documentaton to check for any necessary addtonal hardware or software changes.
PCI Interrupt Request Routng
IRQ, or nterrupt request lnes, are hardware lnes over whch devces can send nterrupt
requests to the processor. The PCI IRQ pns are typcally connected to the PCI bus pns
as followed:
Order1 Order2 Order3 Order4
PCI1 INT E# INT F# INT G# INT H#
PCI2 INT F# INT G# INT H# INT E#