Two Pci Express X16 Slots - Asus P5N-E SLI User Manual

1.8.6

Two PCI Express x16 slots

This motherboard supports one PCI
Express x16 graphics card or two
SLI-ready PCI Express x16 graphic
cards that comply with the PCI
Express specifications. The figure
shows a graphics card installed on
the PCI Express x16 slot.
Install a rear chassis fan to the chassis (CHA_FAN) connector when using
two graphics cards for better thermal environment. See page 1-32 for
details.
• In Single Card mode, only the PCI Express blue slot can be used for
PCI Express x16 graphics cards.
• In SLI mode, the PCI Express x16 slots work at the bandwidth of
PCI Express x8. The combined bandwidth of these maintain the
bandwidth of PCI Express x16.
• See the table below for possible PCI Express card configurations.
PCI Express x16 slot configurations
EZ Selector setting
Single Video Card
SLI mode
Dual Video
Cards
Multi-monitor,
RAID or LAN
setup
ASUS P5N-E SLI
PCIEX16_1 (blue) slot
Card Type Speed
Qualified PCIe x16
graphics card
Qualified SLI-ready
graphics cards
Qualified PCIe x16
graphics card
PCIEX16_2 (black) slot
Card Type
x16
x8 Qualified SLI-ready
graphics card
x8 Qualified PCIe
graphics card,
RAID or LAN card
Speed
x8
x8, x4,
x2, x1
1-25