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422/485PC-10/DB25
ADVANCED MICROCOMPUTER SYSTEMS, INC.
422/485PC-10/DB25
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Card Type
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Serial card
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Chip Set
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Unidentified
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Maximum Onboard Memory
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N/A
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I/O Options
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Serial port
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Data Bus
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16-bit ISA
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Floppy drives supported
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N/A
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CONNECTIONS
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Function
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Label
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25-pin serial port
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CN1
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SERIAL PORT ADDRESS CONFIGURATION
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Setting
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J5/A
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J5/B
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J5/C
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J5/D
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| »
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COM1 (3F8h)
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Closed
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Open
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Open
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Open
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COM2 (2F8h)
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Open
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Closed
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Open
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Open
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COM3 (3E8h)
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Open
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Open
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Closed
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Open
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COM4 (2E8h)
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Open
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Open
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Open
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Closed
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Disabled
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Open
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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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SP1/A
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SP1/B
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SP1/C
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SP1/D
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SP1/E
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SP1/F
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2/9
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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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Open
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|
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3
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Open
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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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4
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Open
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Open
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Closed
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Open
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Open
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Open
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5
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Open
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Open
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Open
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Closed
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Open
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Open
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6
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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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Open
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7
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Open
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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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10
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Open
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Open
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Open
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Open
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Open
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Open
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11
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Open
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Open
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Open
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Open
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Open
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Open
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12
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Open
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Open
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Open
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Open
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Open
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Open
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14
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Open
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Open
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Open
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Open
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Open
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Open
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15
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Open
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Open
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Open
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Open
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Open
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Open
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SERIAL PORT 1 INTERRUPT SELECTION (CON’T)
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IRQ
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SP1/G
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SP1/H
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SP1/I
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SP1/J
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SP1/K
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2/9
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Open
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Open
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Open
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Open
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Open
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3
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Open
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Open
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Open
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Open
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Open
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| »
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4
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Open
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Open
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Open
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Open
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Open
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5
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Open
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Open
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Open
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Open
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Open
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6
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Open
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Open
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Open
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Open
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Open
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7
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Open
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Open
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Open
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Open
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Open
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10
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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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11
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Open
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Closed
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Open
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Open
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Open
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12
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Open
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Open
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Closed
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Open
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Open
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14
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Open
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Open
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Open
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Closed
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Open
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15
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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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