Product information guide
EPSON PROGRESSION
Serial Port Connector (CN3)
Serial Port
Connector
Pin Assignments
Pin Signal
1
Data Carder Detect
2
Receive Data
3
Transmit Data
4
Data Terminal Ready
Pin Signal
6
Data Set
Flea&y
7
Request To Send
6
Clear To Send
9
Ring
Indicabr
L5
/
Not used
Keyboard and Mouse Connector (CN2 and CN1)
Pin 6
Pin 5
Pin 2
Pin 1
Although the keyboard and mouse connectors are physically
identical, they cannot be used interchangeably.
Keyboard Connector Pin Assignments
Pin Signal
Pin
Signal
1
Keyboard
Data
4 +5 VDC
2
Rt~e~ed
5 Keyboard Clock
3
Ground 6
RBEIN&
Mouse Connector Pin Assignments
Pin Signal
1
Mouse Data
2
RWN~
3
Ground
Pin
Signal
4
+5 VDC (fused)
5 Mousa Clock
6 Reserved
VGA Port Connector (CN1)
The VGA port connector (CN1) on either the standard or
enhanced daughterboard is a 15pin, D-shell, female
receptacle, accessible from the rear of the computer.
VGA Port Connector Pin Assignments
Pin
1
Signal
1
Pin
1
Signal
1
Pin
1
Signal
1 IRed
16
I
Ground
III
IRESNMI
2
Green
3
Blue
4
Green
5 Reserved
7 Ground
12
RNN~
8
Ground
13
Horizontal Sync
9
NC
14
Vertical Sync
10
Ground
15
NC
VGA Daughterboard Connectors
(CN23, CN24, CN25, CN26)
There are four VGA daughterboard connectors. The
connectors (36-pin headers) provide the video interface
between the board and the video controller. They are
physically identical, but the pinouts for each are different.
Pin 36
Pin 19
Pin 18
Pin 1
VGA Daughterboard Connector Pin Assignments
Epson Progression-4
10/19/92