1.8.6 Two PCI Express x16 sl ots

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 sl ot confi gurati ons

EZ Selector setting

PCIEX16_1 (blue) slot

PCIEX16_2 (black) slot

 

 

Card Type

Speed

Card Type

Speed

 

 

Single Video Card

Qualified PCIe x16

x16

 

 

 

 

 

graphics card

 

 

 

 

 

SLI mode

Qualified SLI-ready

x8

Qualified SLI-ready

x8

Dual Video

 

graphics cards

 

graphics card

 

 

Cards

Multi-monitor,

Qualified PCIe x16

x8

Qualified PCIe

 

x8, x4,

 

RAID or LAN

graphics card

 

graphics card,

 

x2, x1

 

setup

 

 

RAID or LAN card

 

ASUS P5N-ESLI

1-25