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286LX-A
UNIDENTIFIED
286LX-A
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Processor
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80286
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Processor Speed
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10/12MHz
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Chip Set
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VLSI
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Max. Onboard DRAM
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4MB
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Cache
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None
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BIOS
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AMI
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Dimensions
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330mm x 220mm
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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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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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Power LED & keylock
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J18
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Reset switch
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J29
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External battery
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J22
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Turbo LED
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J103
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Speaker
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J23
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Turbo switch
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J104
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USER CONFIGURABLE SETTINGS
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Function
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Jumper/Switch
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Position
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| »
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Battery select internal
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J28
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pins 1 & 2 closed
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Battery select external
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J28
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pins 2 & 3 closed
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| »
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Timing mode select fast
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J30
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pins 1 & 2 closed
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Timing mode select slow
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J30
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pins 2 & 3 closed
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| »
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CPU speed select 12MHz
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J102
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pins 1 & 2 closed
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|
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CPU speed select 10MHz
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J102
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pins 2 & 3 closed
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| »
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Monitor type select color
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SW1/4
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On
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Monitor type select monochrome
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SW1/4
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Off
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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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2MB
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(18) 411000
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NONE
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4MB
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(18) 411000
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(18) 411000
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DRAM SPEED CONFIGURATION
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Speed
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J10
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J31
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100ns/0 wait states
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pins 1 & 2 closed
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Closed
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120ns/1 wait state
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pins 2 & 3 closed
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Open
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DRAM JUMPER CONFIGURATION
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Size
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SW1/1
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SW1/2
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SW1/3
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512KB
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On
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On
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On
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640KB
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Off
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On
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On
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1MB
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On
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Off
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On
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2MB
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Off
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Off
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On
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4MB
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On
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On
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Off
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