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DES-RIS/TB
UNIDENTIFIED
DES-RIS/TB
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Processor
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8088 (exact location unknown)
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Processor Speed
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10MHz
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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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254mm 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 (exact location unknown)
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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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JP1
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Power LED
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JP5 pins 1 & 2
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Keylock
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JP3
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Turbo LED
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JP5 pins 3 & 4
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Reset switch
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JP4
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Turbo switch
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JP6
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USER CONFIGURABLE SETTINGS
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Function
|
Switch
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Position
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»
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CMOS memory normal operation
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SW1/1
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Off
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CMOS memory clear
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SW1/1
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On
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»
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NPU disabled
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SW1/2
|
On
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NPU enabled
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SW1/2
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Off
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»
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Factory configured - do not alter
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SW1/3
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Off
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»
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Factory configured - do not alter
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SW1/4
|
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 2A
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Bank 3
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Bank 3A
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256KB
|
(9) 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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NONE
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512KB
|
(9) 41256
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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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NONE
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576KB
|
(9) 41256
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(9) 41256
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(2) 4464
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(1) 4164
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NONE
|
NONE
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640KB
|
(9) 41256
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(9) 41256
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(2) 4464
|
(1) 4164
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(2) 4464
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(1) 4164
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VIDEO CONFIGURATION
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Size
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SW1/5
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SW1/6
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Monochrome
|
Off
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Off
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EGA
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On
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On
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CGA (40 x 20)
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Off
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On
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CGA (80 x 25)
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On
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Off
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FLOPPY DRIVE CONFIGURATION
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Drives installed
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SW1/7
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SW1/8
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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
|
On
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3
|
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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