2.5.6Two 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.

See Chapter 6 for details on the SLI technology feature.

¥ Install a rear chassis fan to either the chassis (CHA_FAN1) or NorthBridge (NB_FAN) connectors when using two graphics cards for better thermal environment. See page 2-33 for details.

¥Connect the EZ Plugª when using two graphics cards and a 20-pin ATX power supply.

¥ 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.

Table 1

PCI Express x16 slot configurations

 

 

 

 

 

EZ Selector setting

PCIEX16_1 (blue) slot

PCIEX16_2 (black) slot

 

 

Car d Type

Speed

Card Type

Speed

 

 

 

 

 

 

Single Video Card

Qualified PCIe x16

x16

Qualified RAID or

x1

 

 

graphics card

 

LAN card

 

 

SL I mode

Qualified SLI-ready

x8

Qualified SLI-ready

x8

Dual Video

 

graphics cards

 

graphics card

 

Cards

M u l t i - m o n i t o r ,

Qualified PCIe x16

x8

Qualified PCIe

x8, x4,

 

R A I D o r L A N

graphics card

 

graphics card,

x2, x1

 

s e t u p

 

 

RAID or LAN card

 

 

 

 

 

 

 

ASUS P5ND2-SLI Series

2 - 21