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System board components
Connector Pin Assignments
Parallel
connector (J1)
port
Pin No.
Signal Name
1
NC
2
Do
3
D1
4
D2
5
D3
6
D4
7
D5
8
D6
9
D7
10
ACK
11
BUSY
12
P E
13
SLCT
Pin No.
Signal Name
14
AUTO FEED XT
15
ERROR
16
INIT
17
SLCT IN
I
18
GND
19
GND
20
GND
21
GND
GND
22
23
GND
24
GND
25
PRT SEL
I
Serial port connector (J2)
Pin Signal
1
Carder Detect 4
2
Receive Data 5
3
Transmit Data 6
VGA connectorfor an external monitor (J3)
Pin
Pin
Signal
1
Red
6
7
2
Green
8
3
Blue
4
NC
9
5
Ground
10
Power converter board connector (22-pin male) (J17')
Power converter board connector (14-pin male) (J16)
Pin No.
Signal Name
VA
1 to 4
5
CHGLED
6
SWITCH
I
7
PWRON
8
NC
9
NC
10
PWROFF
11 to 14
GND
10/21/95
EPSON ActionNote 900 Series
Pin Signal
Pin Signal
Data Terminal 7
Ready
Signal Ground 8
Data Set Ready
9
Signal
Pin
Signal
Ground
11
NC
Ground
12
NC
Ground
13
Horizontal Sync
NC
14
Vertical Sync
Ground
15
NC
A constant voltage from AC adapter
Description
Constant voltage from AC adapter
Output pin to drive the orange LED
To power on DC/DC converter
Reserved
No connection
No connection
To power off DC/DC converter
Ground
Request to Send
Clear to Send
Ring indicator
AN900-6