Epson EISA Series Product Information Manual - Page 3
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Processor Board Maps
processor board
486DX/33
Intel 80486DX 33 MHz
Weitek WTL4167 math
microprocessor
coprocessor socket
\
processor board
486SX/25
Main System Board Connectors
Parallel Port Connector (CN5)
Pin 13
Pin 25
pin assignments
Parallel port connector
EISA Series Computers
cache module
\
processor board
interface connectors
processor board
interlace connectors
Pin 1
Pin 14
Serial Port Connector (CN3, CN4)
Serial port connector pin assignments
1
Data Carrier Detect
2
Receive Data
3
Transmit Data
4
Data Terminal Ready
Keyboard and Mouse Connectors (CN1, CN2)
Keyboard connector pin assignments
Pin
Signal
1
Keyboard Data
2
Resewed
3
Ground
Mouse connector pin assignments
Pin Signal
1
Mouse Data
Reserved
2
Note: Although the keyboard and mouse connectors are physically
identical, they cannot be used interchangeably.
1/92
EISA Series Desktop
6
Data Set Ready
7
Request To Send
6
Clear To Send
9
Rim lndicator
Pin Signal
4
+5 VDC
5
Keyboard Clock
6
Reserved
Pin Signal
4
+5 VDC (fused)
5
Mouse Clock
Desktop-3
I