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PTM-1630
DTK COMPUTER, INC.
PTM-1630
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Processor
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80286 (exact location unknown)
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Processor Speed
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16MHz
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Chip Set
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Unidentified
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Max. Onboard DRAM
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1MB
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Cache
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None
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BIOS
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DTK
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Dimensions
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330mm x 218mm
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I/O Options
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Local memory slot
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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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Local memory slot
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CN1
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Turbo LED
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J5
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Reset switch
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J1
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Power LED & keylock
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J6
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Speaker
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J2
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Turbo switch
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W11
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External battery
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J3
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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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Local memory wait state select 0 wait states
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W3
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Closed
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Local memory wait state select 1 wait state
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W3
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Open
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BIOS wait state select 2 wait states
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W4
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Open
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BIOS wait state select 1 wait state
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W4
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Closed
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BIOS type select 27128
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W8
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pins 2 & 3 closed
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BIOS type select 27256
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W8
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pins 1 & 2 closed
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Battery type select internal
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W9
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Open
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Battery type select external
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W9
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Closed
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Monitor type select monochrome
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W10
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pins 1 & 2 closed
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Monitor type select color
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W10
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pins 2 & 3 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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512KB
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(9) 41256
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(9) 41256
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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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1MB
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(9) 41256
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(9) 41256
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(9) 41256
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(9) 41256
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DRAM JUMPER CONFIGURATION
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Size
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W6
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W7
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512KB
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Closed
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Closed
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640KB
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Closed
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Open
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1MB
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Open
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Closed
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DRAM SPEED CONFIGURATION
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DRAM speed
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Speed
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W5
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120ns
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16MHz/0 ws
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Open
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100ns
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12MHz/0 ws
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pins 1 & 2, 3 & 4, 5 & 6 closed
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80ns
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16MHz/1 ws
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pins 1 & 2, 3 & 4, 5 & 6, 7 & 8 closed
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60ns
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12MHz/1 ws
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pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10 closed
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NPU SPEED CONFIGURATION
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Speed
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W1
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W2
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6MHz
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pins 2 & 3 closed
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pins 1 & 2 closed
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8MHz
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pins 1 & 2 closed
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pins 3 & 4 closed
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10MHz
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pins 2 & 3 closed
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pins 5 & 6 closed
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