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SERIAL/PARALLEL OPTION BOARD
TANDON CORPORATION
SERIAL/PARALLEL OPTION BOARD
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Category
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Multi I/O
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Data Bus Type
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8-bit ISA
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Memory Type
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Unidentified
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Maximum Onboard Memory
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Unidentified
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CONNECTIONS
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Purpose
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Location
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Purpose
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Location
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25-pin parallel connector
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CN1
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9-pin serial connector
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CN2
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DSR CONTROL SETTINGS
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Setting
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JP1
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DSR controlled by driver
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Pins 1 & 2 closed
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DSR forced true
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Pins 2 & 3 closed
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DSR forced false
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All open
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DCD CONTROL SETTINGS
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Setting
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JP2
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DCD controlled by driver
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Pins 1 & 2 closed
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DCD forced true
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Pins 2 & 3 closed
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DCD forced false
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All open
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CTS CONTROL SETTINGS
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Setting
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JP3
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CTS controlled by driver
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Pins 1 & 2 closed
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CTS forced true
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Pins 2 & 3 closed
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CTS forced false
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All open
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DTR CONTROL SETTINGS
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Setting
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JP4
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DTR controlled by driver
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Pins 1 & 2 closed
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DTR forced true
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Pins 2 & 3 closed
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DTR forced false
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All open
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RTS CONTROL SETTINGS
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Setting
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JP5
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RTS controlled by driver
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Pins 1 & 2 closed
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RTS forced true
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Pins 2 & 3 closed
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RTS forced false
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All open
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SERIAL INTERRUPT SETTINGS
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IRQ
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JP6
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IRQ3
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Pins 2 & 3 closed
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IRQ4
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Pins 1 & 2 closed
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PARALLEL INTERRUPT SETTINGS
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IRQ
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JP7
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IRQ5
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Pins 2 & 3 closed
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IRQ7
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Pins 1 & 2 closed
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PARALLEL PORT SETTINGS
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Setting
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JP8
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LPT1
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Pins 1 & 2 closed
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LPT2
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Pins 2 & 3 closed
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SERIAL PORT SETTINGS
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Setting
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JP9
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COM1
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Pins 1 & 2 closed
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COM2
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Pins 2 & 3 closed
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