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PORTABLE 286
COMPAQ COMPUTER CORPORATION
PORTABLE 286
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Processor
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80286
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Processor Speed
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6/8MHz
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Chip Set
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FOREX
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Max. Onboard DRAM
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640KB
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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 218mm
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I/O Options
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None
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NPU Options
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8087/80287/80387SX/CX487SLC/80387DX/CX487DLC/3167/4167
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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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External power connector
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S1
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External battery
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S3
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Monitor connector
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S2
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Speaker
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S4
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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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»
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Monitor select monochrome video display controller
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ED
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pins 1 & 2 closed
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Monitor select COMPAQ duel-mode video display controller
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ED
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pins 2 & 3 closed
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»
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Factory configured - do not alter
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EM
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N/A
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»
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Speed select secondary, 6MHz
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ES
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pins 2 & 3 closed
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Speed select primary, 8MHz
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ES
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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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128KB
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128KB
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NONE
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256KB
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128KB
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(18) 4164
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640KB
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128KB
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(18) 41256
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TECHNICAL NOTE
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E1, E2, E3 is unidentified by the manufacturer.
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