Asus K8N-LR - Manual (Page 44)

2-24 Chapter 2: Hardware information
6. USB connector (10-1 pin USB34, USB56, USB78, USB910)
These connectors are for USB 2.0 ports. These connectors comply
with the USB 2.0 specification that supports up to 480 Mbps
connection speed.
7. Serial port connector (10-1 pin COM2)
This connector is for a serial (COM) port. Connect the serial port
module cable to this connector, then install the module to a slot
opening at the back of the system chassis.
K8N-LR R
K8N-LR USB 2.0 Connector
USB34
USB+5V USB_P4
-
USB_P4
+
GN
D
NC
USB+5V USB_P3
-
USB_P3
+
GN
D
USB78
USB+5V USB_P4
-
USB_P4
+
GN
D
NC
USB+5V USB_P3
-
USB_P3
+
GN
D
USB56
USB+5V USB_P4
-
USB_P4
+
GN
D NC
USB+5V USB_P3
-
USB_P3
+
GN
D
USB910
USB+5V USB_P4
-
USB_P4
+
GN
D NC
USB+5V USB_P3
-
USB_P3
+
GN
D
K8N-LR Serial Port2 (COM2) Connector
PIN
1
COM2
K8N-LR R