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3000HD (GATE ARRAY VERSION)
TANDY/RADIO SHACK
3000HD (GATE ARRAY VERSION)
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Processor
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80286
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Processor Speed
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8MHz
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Chip Set
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C & T
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Video Chip Set
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None
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Maximum Onboard Memory
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1MB
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Maximum Video Memory
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None
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Cache
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None
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BIOS
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Unidentified
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Dimensions
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462mm x 458mm
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I/O Options
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None
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NPU Options
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80287
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USER CONFIGURABLE SETTINGS
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Function
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Label
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Position
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»
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Monitor type select monochrome
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J1
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Pins 2 & 3 closed
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Monitor type select color
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J1
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Pins 1 & 2 closed
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DRAM CONFIGURATION
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Size
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Bank 0
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Bank 1
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512KB
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(18) 41256
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None
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640KB
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(18) 41256
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(18) 4164
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1MB
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(18) 41256
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(18) 41256
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Note: The location of banks 0 & 1 are unidentified.
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DRAM JUMPER CONFIGURATION
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Size
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J2
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J3
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512KB
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Closed
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Open
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640KB
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Open
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Closed
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1MB
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Open
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Open
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BIOS SELECTION
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Type
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J4
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J5
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J6
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J7
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16KB
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Closed
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Open
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Closed
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Open
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32KB (not used)
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Open
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Closed
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Open
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Closed
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