Intel MB820 J5, J6 Serial ATA Sata Connectors, J8, J10 COM3 and COM4 Serial Ports Connector

INSTALLATIONS

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

2Ground

3LAN Wakeup

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