Asus M3A78 - Manual (Page 42)

1-30 Chapter 1: Product introduction
6. USB connectors (10-1 pin USB78, USB910, USB1112)
These connectors are for USB 2.0 ports. Connect the USB module cable
to any of these connectors, then install the module to a slot opening at the
back of the system chassis. These USB connectors comply with USB 2.0
specification that supports up to 480 Mbps connection speed.
Never connect a 1394 cable to the USB connectors. Doing so will damage the
motherboard!
The USB 2.0 module is purchased separately.
R
M3A78
M3A78 USB 2.0 Connectors
USB78
USB+5V USB_P8
-
USB_P8
+
GN
D
NC
USB+5V USB_P7
-
USB_P7
+
GN
D
1
USB910
USB+5V USB_P10- USB_P10+ GN
D
NC
USB+5V USB_P9
-
USB_P9
+
GN
D
1
USB1112
USB+5V USB_P12- USB_P12+ GN
D
NC
USB+5V USB_P1
1-
USB_P1
1+
GND
1
7. Digital audio connector (4-1 pin SPDIF_OUT)
This connector is for an additional Sony/Philips Digital Interface (S/PDIF)
port(s). Connect an HDMI module cable to this connector, then install the
module to a slot opening at the back of the system chassis.