Asus M2N-SLI Deluxe - Manual (Page 42)

2- Chapter 2: Hardware information
• 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_FAN1 or CHA_FAN2)
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.
PCI Express x 16 black slot (at x8 speed) PCI Express x16 blue slot
(at x16 speed)
PCI slots PCI Express x1 slot
PCI Express x1 slot
PCI slots
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.