MSI H81M ECO Manual - Manual (Page 24)

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24
PCI_E1~3: PCIe Expansion Slots
The PCIe slot supports the PCIe interface expansion card.
PCIe 2.0 x1 Slot
PCIe 3.0 x16 Slot
PCI1: PCI Slot
The PCI slot supports additional LAN, SCSI, USB, and other add-on cards that
comply with PCI specifications.
PCI Slot
Important
When adding or removing expansion cards, always turn off the power supply and
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.