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TOWER486
TANDON CORPORATION
TOWER486
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Processor
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80486SX
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Processor Speed
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25/33MHz
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Chip Set
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Unidentified
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Max. Onboard DRAM
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64MB (4MB or 8MB installed on board)
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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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355mm x 305mm
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I/O Options
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External memory card, floppy drive interface, IDE interface
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NPU Options
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4167
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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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IDE interface
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CN1
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External battery
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J8
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Floppy drive interface
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CN2
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External memory card
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SL1
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USER CONFIGURABLE SETTINGS
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Function
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Switch
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Position
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»
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256KB - 512KB memory override disabled
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SW1/1
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Off
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256KB - 512KB memory override enabled
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SW1/1
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On
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»
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512KB - 640KB memory override disabled
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SW1/2
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Off
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512KB - 640KB memory override enabled
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SW1/2
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On
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»
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Security enabled
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SW1/3
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Off
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Security disabled
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SW1/3
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On
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»
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Factory configured - do not alter
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SW1/4
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Off
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DRAM CONFIGURATION (EXTERNAL CARD)
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Size
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Bank 0
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Bank 1
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2MB
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(8) 256K x 9
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NONE
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4MB
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(8) 256K x 9
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(8) 256K x 9
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8MB
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(8) 1M x 9
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NONE
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10MB
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(8) 1M x 9
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(8) 256K x 9
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16MB
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(8) 1M x 9
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(8) 1M x 9
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32MB
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(8) 4M x 9
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NONE
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34MB
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(8) 4M x 9
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(8) 256K x 9
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40MB
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(8) 4M x 9
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(8) 1M x 9
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64MB
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(8) 4M x 9
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(8) 4M x 9
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Note: Board is factory installed with either 4MB or 8MB. The location of the memory is unidentified. If memory card is installed, the on board memory is disabled.
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