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EXCEL-TURBO
UNIDENTIFIED
EXCEL-TURBO
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Processor
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8088
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Processor Speed
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8MHz
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Chip Set
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Unidentified
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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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Unidentified
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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
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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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Speaker
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P4
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Turbo switch
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P5
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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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Turbo enabled
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P5
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pins 1 & 2 closed
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Turbo disabled
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P5
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pins 3 & 4 closed
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»
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Turbo enabled
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SW2/1
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Off
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Turbo disabled
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SW2/1
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On
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»
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NPU disabled
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SW2/2
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On
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NPU enabled
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SW2/2
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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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Bank 2
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Bank 3
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64KB
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(9) 4164
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NONE
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NONE
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NONE
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128KB
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(9) 4164
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(9) 4164
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NONE
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NONE
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192KB
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(9) 4164
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(9) 4164
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(9) 4164
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NONE
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256KB
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(9) 4164
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(9) 4164
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(9) 4164
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(9) 4164
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256KB
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(9) 41256
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NONE
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NONE
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NONE
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640KB
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(9) 41256
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(9) 41256
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(9) 4164
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(9) 4164
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DRAM SWITCH CONFIGURATION
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Size
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SW2/3
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SW2/4
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64KB
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On
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On
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128KB
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Off
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On
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192KB
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On
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Off
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256KB
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Off
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Off
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640KB
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Off
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Off
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DRAM SWITCH CONFIGURATION
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Size
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JP2
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Bank 0 & 1 = 41256
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Closed
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Bank 2 & 3 = 4164
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Closed
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DRAM SWITCH CONFIGURATION
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Size
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JP2
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Bank 0 & 1 = 4164
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Open
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Bank 2 & 3 = 4164
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Open
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MONITOR CONFIGURATION
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Type
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SW2/5
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SW2/6
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Monochrome
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Off
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Off
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40 x 25 color
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Off
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On
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80 x 25 color
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On
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Off
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FLOPPY DRIVE CONFIGURATION
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Type
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SW2/7
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SW2/8
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1
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On
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On
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2
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Off
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On
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3
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On
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Off
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4
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Off
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Off
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