MSI V2 Series Manual page 26

PCI_E1~2: PCIe Expansion Slots
The PCIe slot supports the PCIe interface expansion card.
PCIe x16 Slot
PCIe x1 Slot
PCI1: PCI Expansion Slot
The PCI slot supports the PCI interface expansion card..
PCI Slot
Important
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.
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