Connector pin assignments – Epson 890 SERIES User Manual
Page 5
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