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MULTIPORT I/O CARD
ZENITH DATA SYSTEMS
MULTIPORT I/O CARD
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Card Type
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Multi-I/O
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Chipset/Controller
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Unidentified
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I/O Options
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Parallel, serial I/O via DB-37 port
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Maximum DRAM
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N/A
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CONNECTIONS
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Purpose
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Location
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Parallel and serial I/O DB-37 port
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CN1
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SERIAL RECEIVE CLOCK
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»
Setting
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J10
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External clock
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Pins 2 & 3 closed
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Internal clock
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Pins 1 & 2 closed
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SERIAL TRANSMIT CLOCK
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»
Setting
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J11
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External clock
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Pins 1 & 2 closed
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Internal clock
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Pins 2 & 3 closed
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MISCELLANEOUS TECHNICAL NOTES
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The DB-37 port is designed to connect to a "breakout box" consisting of two DB-25 external connectors for parallel and serial I/O.
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