Epson CW3S16 Operation Manual page 151

Serial Port – CONN2, CONN3
Connector CONN2 and CONN3 provide the standard AT-type
RS-232C serial interfaces.
Power Connector – JP1, JP3
Speaker – CONN8
Connector CONN8 provides a speaker connection for audible
tone generation. The connector is a two pin header.
IDE Interface Connector – CONN5
You use this 40 pin connector with IDE type Hard disk drive.
Note
If you want to know the detailed pin assignment of those
I/O connectors, see Appendix
System Mother Board
B-6
manual.
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