User guide

PH440 NLX Motherboard User Guide September 1998
MITSUBISHI ELECTRIC MOTHERBOARD DIVISION PAGE 40 OF 51
7 CONNECTOR ASSIGNMENTS
Keyboard and Mouse (PS/2 Mini-DIN)
(Installation guide references F and G)
6
4
21
3
5
Pin Signal Direction Description
1 CLK I/O Data clock
2VCC O +5V Power
3 GND - Signal ground
4 NC - No connect
5 DATA I/O Serial data
6 NC - No connect
Serial Port 1 and Serial Port 2 (9 way D-type)
(Installation guide references E and H)
51
6
9
10101
Pin Signal Direction Description
1 DCD I Data Carrier Detect
2 RXD I Receive Data
3 TXD O Transmit Data
4 DTR O Data Terminal Ready
5 GND I Signal ground
6 DSR I Data Set Ready
7 RTS O Request to Send
8 CTS I Clear to Send
9 RI I Ring Indicate