Asus P6T Deluxe - Manual (Page 46)

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 slot.
2.5.5 PCI Express x4 slot
This motherboard supports PCI Express x4 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 2.0 x16 slots
This motherboard has three PCI Express 2.0 x16 slots that support PCI Express
x16 2.0 graphic cards complying with the PCI Express specifications. Refer to the
figure below for the location of the slots.
PCIe 2.0 x16_1 slot (blue, at x16 link)
PCI Express x4_1 slot
PCI slot 1
PCI slot 2
PCIe 2.0 x16_3 slot (black, at max. x8 link)
PCIe 2.0 x16_2 slot (white, at x16 link)
2-20 Chapter 2: Hardware information