EVGA 680i User Guide - Page 33

PCI Slots, PCI Express x1 Slot, PCI Express x16 Slots - bandwidth

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Hardware Installation PCI Slots The two PCI slots support 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 x1 Slot There are two PCI Express x1 slots that are designed to accommodate less bandwidth-intensive cards, such as a modem or LAN card. The x1 slot provides 250 MB/sec bandwidth. PCI Express x16 Slots These two PCI Express x16 slots are reserved for graphics or video cards. The bandwidth of the x16 slot is up to 4GB/sec (8GB/sec concurrent). The design of this motherboard supports dual PCI-Express graphics cards using NVIDIA's SLI technology with multiple displays. When installing a PCI Express x16 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. To configure for SLI, follow the instructions that come with the SLI kit (the kit is purchased separately from the motherboard). 25

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Hardware Installation
25
PCI Slots
The two PCI slots support 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 x1 Slot
There are two PCI Express x1 slots that are designed to accommodate less
bandwidth-intensive cards, such as a modem or LAN card. The x1 slot provides
250 MB/sec bandwidth.
PCI Express x16 Slots
These two PCI Express x16 slots are reserved for graphics or video cards. The
bandwidth of the x16 slot is up to 4GB/sec (8GB/sec concurrent). The design
of this motherboard supports dual PCI-Express graphics cards using NVIDIA’s
SLI technology with multiple displays.
When installing a PCI Express x16 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.
To configure for SLI, follow the instructions that come with the SLI kit (the kit
is purchased separately from the motherboard).