Asus M4A78T-E - Manual (Page 38)

2-18 Chapter 2: Hardware information
Chapter 2
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 Two PCI Express 2.0 x16 slots
This motherboard supports two ATI CrossFireX™ 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 x1_1 slot
PCI Express x1_2 slot
PCI Express x 16_2 slot (black, at max. x8 link)
PCI_1 slot
Primary PCI Express x16_1 slot
(blue, at max. x16 link)
Primary PCI Express x16 slot
The primary PCI Express x16 slot support PCI Express x16 graphics cards that comply with the PCI
Express specifications.
Universal PCI Express x16 slot (max. x8 mode)
This motherboard also supports universal PCI Express x16 slot with a maximum speed of 8 GB/s. The
operating frequency of this slot changes, depending on the type of PCI Express card you install.
If you install multiple graphics cards, we recommend that you plug the rear chassis fan
cable to the motherboard connector labeled CHA_FAN1/2 for better thermal environment.
See page 2-28 for the connector location.
PCI_2 slot