Asus P5B Deluxe/WiFi-AP - Manual (Page 46)

2-20 Chapter 2: Hardware information
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. The figure shows a LAN
card installed on a PCI slot.
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. The following figure
shows a network card installed on the
PCI Express x1 slot.
2.5.6 PCI Express x16 slots
This motherboard has two PCI Express
x16 slots that support PCI Express
x16 graphic cards complying with
the PCI Express specifications. With
two graphics cards installed, the
motherboard can enable dual-display.
This motherboard supports two ATI
CrossFire™ PCI Express x16 graphics
cards that comply with the PCI Express
specifications.
Primary PCI Express x 16 slot for
discrete graphics card (blue)
Universal PCI-E slot
[max. x4 mode] (black)