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EGA
THOMSON
EGA
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Category
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Video
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Video Types Supported
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EGA/Monochrome
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Video Processor
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Unidentified
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Highest Resolution Supported
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640 x 350
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Data Bus Type
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8-bit ISA
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Memory Type
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DRAM
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Maximum Onboard Memory
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256KB
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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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15-pin analog video port
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CN1
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RCA connector
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CN3
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RCA connector
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CN2
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InPort interface
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CN4
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PORT ADDRESS CONFIGURATION
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Port
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P1
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| »
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3xx
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Pins 2 & 3 closed
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2xx
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Pins 1 & 2 closed
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SLOT LOCATION CONFIGURATION
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Setting
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P2
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| »
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Card in not installed in slot 8
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Pins 2 & 3 closed
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Card is installed in slot 8
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Pins 1 & 2 closed
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INPORT INTERFACE CONFIGURATION
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Setting
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P3
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| »
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Enabled
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Closed
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Disabled
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Open
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INPORT INTERRUPT SELECTION
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IRQ
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P4
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| »
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2
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Pins 1 & 2 closed
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|
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3
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Pins 3 & 4 closed
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|
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4
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Pins 5 & 6 closed
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5
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Pins 7 & 8 closed
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10
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Pins 9 & 10 closed
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11
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Pins 11 & 12 closed
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12
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Pins 13 & 14 closed
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15
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Pins 15 & 16 closed
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Note: IRQ10, 11, 12 and 15 are reserved for future use.
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MONITOR TYPE SELECTION
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Type
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P5
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| »
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Enhanced color or/Auto-scanning display
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Pins 1 & 2 closed
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IBM monochrome/IBM color display
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Pins 2 & 3 closed
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INPORT INTERFACE SELECTION
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Setting
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P6
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| »
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Primary
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Pins 2 & 3 closed
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Secondary
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Pins 1 & 2 closed
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DUAL MONITOR CONFIGURATION
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Primary (Thompson EGA)
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Secondary
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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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Monochrome
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Color 40 x 25
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Off
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On
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Off
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On
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|
Monochrome
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Color 80 x 25
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Off
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On
|
Off
|
Off
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Color 40 x 25
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Monochrome
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On
|
Off
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Off
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On
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Color 80 x 25
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Monochrome
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On
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Off
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Off
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Off
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CGA 320 x 200
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Monochrome
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Off
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On
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On
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On
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EGA 640 x 350
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Monochrome
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Off
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On
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On
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Off
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DUAL MONITOR CONFIGURATION
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Primary
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Secondary (Thompson EGA)
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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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Color 40 x 25
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Monochrome
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On
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Off
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On
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On
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Color 80 x 25
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Monochrome
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On
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Off
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On
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Off
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Monochrome
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Color 40 x 25
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On
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On
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On
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On
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Monochrome
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Color 80 x 25
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On
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On
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On
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Off
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Monochrome
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CGA 320 x 200
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On
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On
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Off
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On
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Monochrome
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EGA 640 x 350
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On
|
On
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Off
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Off
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