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WYSE DECISION 386SX/20
WYSE TECHNOLOGY, INC.
WYSE DECISION 386SX/20
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Processor
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80386SX
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Processor Speed
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16/20MHz
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Chip Set
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WYSE
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Max. Onboard DRAM
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8MB
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Cache
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None
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BIOS
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WYSE
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Dimensions
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330mm x 218mm
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I/O Options
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None
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NPU Options
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80387SX
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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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Reset switch
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J1
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Turbo switch
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J4
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Power LED & keylock
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J2
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Turbo LED
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J5
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Speaker
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J3
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External battery
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J6
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USER CONFIGURABLE SETTINGS
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Function
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Jumper
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Position
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CPU speed select 20MHz
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JP1
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pins 1 & 2 closed
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CPU speed select 16MHz
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JP1
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pins 2 & 3 closed
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Monitor type select color
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JP5
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pins 1 & 2 closed
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Monitor type select monochrome
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JP5
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pins 2 & 3 closed
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Battery select internal
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JP6
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pins 1 & 2 closed
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Battery select external
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JP6
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pins 2 & 3 closed
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Power good signal detect from power supply
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JP7
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pins 2 & 3 closed
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Power good signal detect from board
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JP7
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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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Bank 2
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Bank 3
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Bank 4
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Bank 5
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1MB
1
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(8) 44256
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(4) 41256
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NONE
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NONE
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NONE
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NONE
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2MB
1
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(8) 44256
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(4) 41256
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NONE
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NONE
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(2) 256K x 9
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(2) 256K x 9
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3MB
1
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(8) 44256
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(4) 41256
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NONE
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NONE
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(2) 1M x 9
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NONE
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4MB
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NONE
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NONE
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(2) 1M x 9
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(2) 1M x 9
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NONE
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NONE
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5MB
1
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(8) 44256
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(4) 41256
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NONE
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NONE
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(2) 1M x 9
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(2) 1M x 9
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5MB
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NONE
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NONE
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(2) 256K x 9
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(2) 256K x 9
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(2) 1M x 9
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(2) 1M x 9
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6MB
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NONE
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NONE
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(2) 1M x 9
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(2) 1M x 9
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(2) 1M x 9
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NONE
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8MB
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NONE
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NONE
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(2) 1M x 9
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(2) 1M x 9
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(2) 1M x 9
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(2) 1M x 9
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Note
1
:Banks 0 and 1 are filled at the factory with DIP chips.
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