MSI 990FXA GAMING - Expansion Slots; PCI_E1~5: Pcie Expansion Slots

Chapter 1
1-16
Getting Started
Expansion Slots
This motherboard contains numerous slots for expansion cards, such as discrete
graphics or audio cards.
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The PCIe slot supports the PCIe interface expansion card.
PCIe x16 Slot
PCIe x1 Slot
PCI1: PCI Expansion Slot
The PCI slot supports additional LAN, SCSI, USB, and other add-on cards that comply
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PCI Slot
Important
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unplug the power supply power cable from the power outlet. Read the expansion
card’s documentation to check for any necessary additional hardware or software
changes.