Pci Express X1 Slot; Pci Express X16 Slots - Nvidia NFORCE 780I SLI User Manual

780i 3-Way SLI Motherboard

PCI Express x1 Slot

There is one PCI Express x1 slot that is 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 three 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 three 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).
NVIDIA Corporation
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October 17, 2007 | DU-03597-001_v01