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IO650
BOCA RESEARCH, INC.
IO650
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Card Type
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Serial Card
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Chipset/Controller
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Unidentified
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I/O Options
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Serial ports (2)
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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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Purpose
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Location
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Serial port 1
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CN1
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Serial port 2
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CN2
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SERIAL PORT 1 CONFIGURATION
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COM
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J7/A
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J7/B
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J4
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| »
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COM3
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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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COM1
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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Pins 2 & 3 closed
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COM2
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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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COM4
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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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Disabled
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N/A
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N/A
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Pins 1 & 2 closed
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SERIAL PORT 2 CONFIGURATION
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COM
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J6/A
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J6/B
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J5
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| »
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COM4
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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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COM3
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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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COM1
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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Pins 2 & 3 closed
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COM2
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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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Disabled
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N/A
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N/A
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Pins 1 & 2 closed
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SERIAL PORT 1 INTERRUPT SELECTION
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IRQ
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J2/A
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J2/B
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J2/C
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J2/D
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| »
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IRQ5
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Open
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Open
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Closed
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Open
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IRQ3
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Closed
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Open
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Open
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Open
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IRQ4
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Open
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Closed
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Open
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Open
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IRQ9
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Open
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Open
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Open
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Closed
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SERIAL PORT 2 INTERRUPT SELECTION
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IRQ
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J3/A
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J3/B
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J3/C
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J3/D
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| »
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IRQ9
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Open
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Open
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Open
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Closed
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IRQ3
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Closed
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Open
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Open
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Open
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IRQ4
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Open
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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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Closed
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Open
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SERIAL PORT I/O ADDRESS SELECTION/CLOCK SET
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Address Pair
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J1/A
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J1/B
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J1/C
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J1/D
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J1/E
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J1/F
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| »
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2C0h, 2C8h
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Closed
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Closed
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Open
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Open
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Open
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Open
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2D0h, 2D8h
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Open
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Open
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Closed
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Closed
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Open
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Open
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3C0h, 3C8h
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Open
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Open
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Open
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Open
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Closed
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Closed
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