Expansion slots, Pci slots, Pci express x16/x8/x4 slots – EVGA H55 User Manual
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Expansion Slots
PCI Slots
The PCI slot supports many expansion cards such as a LAN card, USB card,
SCSI card and other cards that comply with PCI specifications. When installing
a card into the PCI slot, be sure that it is fully seated. Secure the card’s metal
bracket to the chassis back panel with the screw used to hold the blank cover.
PCI Express x16/x8/x4 Slots
These PCI Express slots are reserved for Graphic Cards and PCI Express x1
and x4 devices. The design of this motherboard supports multiple Graphic Card
technology.
When installing a PCI Express Graphic Card, be sure the retention clip snaps
and locks the card into place. If the card is not seated properly, it could cause a
short across the pins. Secure the card’s metal bracket to the chassis back panel
with the screw used to hold the blank cover.
For SLI use, it is very important to use only slots PCIE_X16_1 and
PCIE_X4_2 for optimal performance.