Epson 890 SERIES Laptop User Manual


 
EPSON ActionNote 890 Series
System board components
Connector Pin Assignments
Serial port connector (J2)
VGA connector for an external
monitor (J3)
Power converter board connector (22-pin male)
Power converter board connector (14-pin male)
Pin No.
Signal Name Description
1 to 4
VA
Constant voltage from AC adapter
5
CHGLED Output pin to drive the orange LED
6
SWITCH
To power on DC/DC converter
7
PWRON
Reserved
8 NC
No connection
9 NC
No connection
10 PWROFF
To power off DC/DC converter
I
11 to 14 GND Ground
AN890-5