Epson Equity 4 Manual de informações do produto - Página 4
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EPSON Equity 4SX/25, 4DX/33, and 4DX2/50
Major Subassemblies
main system option card connector board
board
(option board riser card)
SIMM 1
\
speaker drive
Connector Pin Assignments
Parallel Port Connector (CN6)
pin 13
pin 25
Parallel Port Connector Pin Assignments
Pin Signal
Pin Signal
1
Strobe
10
ACK'
6
7
8
*Active low logic
EPSON Equity-4
power supply
i
diskette
horizontal
drive bays
pin 1
pin 14
Pin Signal
19
Signal ground
4/1/93
Serial Port Connectors (CN4 and CN5)
Serial Port Connector Pin Assignments
Keyboard Connector (CN3) and
Mouse Connector (CN2)
pin 6
pin 4
pin 2
Although the keyboard and mouse connectors are physically
identical, they cannot be used interchangeably.
Pin Signal
1
Data
Reserved
2
3
Ground
VGA Port Connector (CN7)
pin 5
pin 10
pin 15
VGA Port Connector Pin Assignments
pin 5
pin 3
pin 1
Pin
Signal
4
5
6
Resewed
pin 1
pin 6
pin 11