Asus M3N72-D - Manual (Page 47)

ASUS M3N72-D 2-23
2.5.4 PCI slots
The PCI slots support cards such as a LAN card, SCSI card, USB card, and other
cards that comply with PCI specifications. Refer to the figure below for the location
of the slots.
2.5.5 PCI Express x1 slots
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 slots.
2.5.6 PCI Express 2.0 x16 slot (blue)
This motherboard supports PCI Express 2.0 x16 graphics cards that complies with
the PCI Express specifications. Refer to the figure below for the location of the slot.
2.5.7 Universal PCI Express x16 slot (black)
This motherboard also supports a universal PCI Express 2.0 x16 slot at maximum
x8 mode. The operating frequency of this slot changes, depending on the type of
PCI Express card you install. Refer to the figure below for the location of the slot.
PCI Express x16_1 slot
PCI_1 slot
Universal PCI Express x16_2 slot
PCI Express x 1_2 slot
PCI_2 slot
PCI Express x1_1 slot