Asus M4A78-E - Manual (Page 39)

ASUS M4A78-E 2-19
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 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 x 16_2 slot (blue, at max. x16 link)
PCI_1 slot
PCI Express x16_1 slot (black, at max. x8 link)
PCI_2 slot
PCI Express x1_2 slot
If you install two graphics cards, we recommend that you plug the rear chassis fan cable to
the motherboard connector labeled CHA_FAN1 for better thermal environment. See page
2-32 for the connector location.