INSTALLATIONS
MB820 User’s Manual 17
J5, J6: Serial ATA (SATA) Connectors
The SATA connectors support serial ATA 150. Each connector can only
use one serial ATA hard disk. J6 is port 1 and J5 is port 2.
J8, J10: COM3 and COM4 Serial Ports Connector
J8 and J10 are both 10-pin headers, as the COM3 and COM4 serial port
pin headers supporting RS232.
Pin #
Signal Name
1 DCD
2 RX
3 TX
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
10 NC
J9: Wake On LAN Connector
J9 is a 3-pin header for the Wake On LAN function on the motherboard.
The following table shows the pin out assignments of this connector.
Wake On LAN will function properly only with an ATX power supply
with 5VSB that has 1A.
Pin # Signal Name
1 +5VSB
2 Ground
3 LAN Wakeup