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V8 (VERSIONS A, B, C, D, & E)
IMAGRAPH CORPORATION
V8 (VERSIONS A, B, C, D, & E)
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Category
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Video
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Video Types Supported
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XVGA
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Video Processor
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Trident
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Highest Resolution Supported
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1280 x 1024
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Data Bus Type
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16-bit ISA
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Memory Type
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VRAM
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Maximum Onboard Memory
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2048KB
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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 video port
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J1
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Daughterboard connector
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P3
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EMULATION TYPE CONFIGURATION
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Type
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Address
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JP1
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JP1A
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VGA/EGA with High Resolution
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3DDh - 3DEh
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Pins 1 &2 closed
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Pins 1 &2 closed
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CGA with High Resolution
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3DDh - 3DEh
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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High resolution
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3DDh - 3DEh
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Pins 1 &2 closed
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Pins 2 & 3 closed
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High resolution
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30Dh - 30Eh
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Pins 2 & 3 closed
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Pins 1 &2 closed
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Note: Address setting 30Dh - 30Eh requires special device driver software for operation.
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MONITOR CONNECTOR SENSE CONFIGURATION
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Setting
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J8
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J9
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Disabled
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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Enabled
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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Note: An optional microcode EPROM must be installed before Connector Sense can be enabled.
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VGA DAUGHTERBOARD CONFIGURATION
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Setting
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J12
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Not installed
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Pins 2 & 3 closed
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Installed
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Pins 1 & 2 closed
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Note: This setting does not apply to versions B, C, D, or E.
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BIOS SIZE SELECTION
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Size
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J10
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32K (VGA)
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Pins 1 &2 closed
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16K (EGA)
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Pins 2 & 3 closed
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Note: This setting does not apply to version B.
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VIDEO INTERRUPT SELECTION
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IRQ
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S3
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10
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Pins 3 & 4 closed
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2/9
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Pins 9 & 10 closed
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11
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Pins 5 & 6 closed
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12
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Pins 7 & 8 closed
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Disabled
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Pins 1 & 2 closed
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ALTERNATE I/O PORT ADDRESS SELECTION
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Address
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S6
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3xx
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Pins 2 & 3 closed
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1xx
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Pins 1 &2 closed
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Note: This setting does not apply to versions B or C.
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DMA CHANNEL SELECTION
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DRQ
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Dack
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S5
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S8
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7
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7
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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6
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6
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Pins 3 & 4 closed
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Pins 3 & 4 closed
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5
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5
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Pins 5 & 6 closed
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Pins 5 & 6 closed
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STRING I/O OPERATION CONFIGURATION
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Setting
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S14
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Disabled
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Pins 2 & 3 closed
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Enabled
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Pins 1 &2 closed
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Note: This setting does not apply to version B. Microcode EPROM and device driver software must be installed before I/O string operations can be enabled.
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