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MAGIC I/O EV170D (VER. 1.0)
EVEREX SYSTEMS, INC.
MAGIC I/O EV170D (VER. 1.0)
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Card Type
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Multi-I/O card
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Chip Set
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Unidentified
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Maximum Onboard Memory
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None
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I/O Options
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Game port, parallel port, serial ports (2)
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Data Bus
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8-bit ISA
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CONNECTIONS
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Function
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Label
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Function
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Label
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Game port
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J1
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Serial port 1
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J3
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Serial port 2
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J2
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Parallel port
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J4
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USER CONFIGURABLE SETTINGS
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Function
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Label
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Position
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8-bit IBM PC/XT slot disabled
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CARDSEL
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Unidentified
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8-bit IBM PC/XT slot enabled
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CARDSEL
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Unidentified
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Clock/calendar enabled
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CLKEN
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Closed
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Clock/calendar disabled
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CLKEN
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Open
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Game port enabled
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GE
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Closed
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Game port disabled
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GE
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Open
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Printer mode
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PIO
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Pins 2 & 3 closed
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General purpose I/O
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PIO
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Pins 1 & 2 closed
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| »
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Factory configured - do not alter
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SC1
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N/A
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| »
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Factory configured - do not alter
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SC2
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N/A
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PARALLEL PORT ADDRESS SELECTION
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Setting
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LPTSEL
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LPT2 (278h)
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Pins 1 & 2 closed
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LPT3 (3BCh)
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Pins 3 & 4 closed
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Disabled
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Open
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SERIAL PORT 1 ADDRESS SELECTION
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Setting
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SW1/1
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SW1/2
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SW1/3
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SW1/4
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COM1 (3F8h)
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On
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Off
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Off
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Off
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COM2 (2F8h)
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Off
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On
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Off
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Off
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COM3 (3E8h)
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Off
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Off
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On
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Off
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COM4 (2E8h)
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Off
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Off
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Off
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On
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Disabled
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Off
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Off
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Off
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Off
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SERIAL PORT 2 ADDRESS SELECTION
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Setting
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SW1/5
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SW1/6
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SW1/7
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SW1/8
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COM1 (3F8h)
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On
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Off
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Off
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Off
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COM2 (2F8h)
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Off
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On
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Off
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Off
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COM3 (3E8h)
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Off
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Off
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On
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Off
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COM4 (2E8h)
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Off
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Off
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Off
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On
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Disabled
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Off
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Off
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Off
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Off
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MAGIC I/O SELECTION
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Setting
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CLKINT/A
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CLKINT/B
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CLKINT/C
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IRQ2
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Open
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Closed
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Open
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IRQ5
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Open
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Closed
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Open
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IRQ7
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Closed
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Open
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Open
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| »
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Disabled
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Open
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Open
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Open
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SERIAL PORT 1 INTERRUPT SELECTION
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IRQ
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SI1/A
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SI1/B
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SI1/C
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SI1/D
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IRQ2
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Open
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Open
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Open
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Pins 1 & 2 closed
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IRQ3
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Pins 1 & 2 closed
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Open
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Open
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Open
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| »
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IRQ4
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Open
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Pins 1 & 2 closed
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Open
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Open
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IRQ5
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Open
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Open
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Pins 1 & 2 closed
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Open
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SERIAL PORT 2 INTERRUPT SELECTION
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IRQ
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SI1/A
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SI1/B
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SI1/C
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SI1/D
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IRQ2
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Open
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Open
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Open
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Pins 2 & 3 closed
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IRQ3
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Pins 2 & 3 closed
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Open
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Open
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Open
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| »
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IRQ4
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Open
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Pins 2 & 3 closed
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Open
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Open
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IRQ5
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Open
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Open
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Pins 2 & 3 closed
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Open
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FORCE-TRUES PORT 1 CONFIGURATION
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Setting
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SCH1/A
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SCH1/B
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SCH1/C
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SCH1/D
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DSR
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Pins 1 & 2 closed
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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CTS
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Pins 2 & 3 closed
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Pins 1 & 2 closed
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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DCD
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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Pins 1 & 2 closed
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Pins 2 & 3 closed
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RI
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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Pins 1 & 2 closed
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Note: The above function disables the force-true options.
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FORCE-TRUES PORT 2 CONFIGURATION
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Setting
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SCH2/A
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SCH2/B
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SCH2/C
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SCH2/D
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DSR
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Pins 1 & 2 closed
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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CTS
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Pins 2 & 3 closed
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Pins 1 & 2 closed
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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DCD
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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Pins 1 & 2 closed
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Pins 2 & 3 closed
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RI
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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Pins 1 & 2 closed
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Note: The above function disables the force-true options.
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PARALLEL PORT INTERRUPT SELECTION
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IRQ
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PTRINT
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| »
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IRQ7
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Pins 1 & 2 closed
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IRQ5
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Pins 2 & 3 closed
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