2.5.5
PCI Express x1 slot
This motherboard supports PCI Express x1 network cards, SCSI cards and other
cards that comply with the PCI Express specifications. Refer to the figure below for
the location of the slot.
2.5.6
PCI Express x16 slots
This motherboard supports PCI Express x16 graphics cards that comply with the
PCI Express specifications. Refer to the figure below for the location of the slots.
PCI Express x16 blue slot
•
In single card mode, we recommend that you use the blue PCI Express
x16 (PCIEX16_1) slot.
•
Due to chipset limitation, the black PCI Express x16 (PCIEX16_2) slot can
only operate at x8 speed.
•
Connect a rear chassis fan to the chassis (CHA_FAN) connector when
using two graphics cards for better thermal environment. See page 2-28 for
details.
•
We recommend that you provide sufficient power when running NVIDIA
SLI™ mode. See pages 2-29 and 2-30 for details.
Recommended PCI Express x16 configurations
Mode
Non-SLI mode
Dual graphics
card in SLI Mode
ASUS M2N-SLI
(at x16 speed)
PCI Express x1 slot
PCIEX16_1 (Blue) slot
Card type
PCIe x16 graphics card
PCIe x16 graphics card
PCIe x16 graphics card
Two identical NVIDIA
PCI slots
PCI Express x 16 black slot
(at x8 speed)
PCIE16_2 (Black) slot
Speed
Card type
x16
x8
PCIe x16 graphics card
x8
Other PCIe devices
SLI™ Edition graphics cards at x8, x8 speed
®
Speed
NA
x8
x8, x4, x1
®
2-19