Asus M3A78-EM - Manual (Page 40)

1-28 Chapter 1: Product introduction
14.. USB.2.0.ports.1.and.2. These two 4-pin Universal Serial Bus (USB) ports
are available for connecting USB 2.0 devices.
15.. External.SATA.port. This port connects to an external Serial ATA hard disk
drive.
16.. DVI-D.Out.port. This port is for any DVI-D compatible device and is HDCP
compliant allowing playback of HD DVD, Blu-Ray and other protected
content.
17.. DisplayPort. This port connects a display monitor or a home-theater system.
DO NOT insert different connectors to the external SATA port.
To use hot-plug, set the OnChip SATA.Type in the BIOS settings to [AHCI].
See section 2.3.6 SATA Configuration for details.
18.. USB.2.0.ports.5.and.6. These two 4-pin Universal Serial Bus (USB) ports
are available for connecting USB 2.0 devices.
• Due to chipset limitation, DisplayPort on this motherboard only supports
video signals.
• Due to chipset limitation, when a DisplayPort monitor is plugged in, PCIE
x16 slot will not be able to support an add-on card. Set the DisplayPort.
Configuration item in the BIOS to [Enabled] to use the DisplayPort. See
page 2-26 for details.