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DUAL GRAPHICS ADAPTER (DGA002)
BOCA RESEARCH, INC.
DUAL GRAPHICS ADAPTER (DGA002)
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Card Type
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Parallel/Video card
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Video Chip Set
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Unidentified
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Highest Resolution Supported
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720 x 348
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Maximum Video Memory
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None
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Data Bus
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8-bit ISA
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Video Types Supported
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Monochrome, CGA
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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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15-pin video analog port
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CN1
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25-pin parallel port
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CN2
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VIDEO CONFIGURATION
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Type
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J3/A
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Monochrome
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Pins 1 & 3, 2 & 4 closed
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Monochrome CGA display
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Pins 3 & 5, 2 & 4 closed
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CGA
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Pins 3 & 5, 4 & 6 closed
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Disabled
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Pins 1 & 3, 4 & 6 closed
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PARALLEL PORT ADDRESS SELECTION
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Setting
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J3/B
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LPT1 (378h)
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Pins 1 & 3, 2 & 4 closed
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LPT2 (278h)
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Pins 1 & 3, 4 & 6 closed
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LPT3 (3BCh)
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Pins 3 & 5, 2 & 4 closed
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Disabled
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Pins 3 & 5, 4 & 6 closed
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