User`s manual
User’s Manual 
AIMB-240 Series User’s Manual 
33
2.4 Setting Jumpers & Connectors 
2.4.1 Clear CMOS  
Default 
Protect* 
Clear CMOS 
Pin 1  2 3 
Define NC RTCRST# GND 
2.4.2  Serial Port Connector (COM1) 
z  Default 
Define Pin  Pin  Define 
DDSR1# 6  1  DDCD1# 
RRTS1# 7  2  RRXD1 
CCTS1# 8  3  TTXD1 
RRI1#  9  4  DDTR1# 
    5  GND 
C
O
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