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SYSTEM 1200/1300
TEXAS INSTRUMENTS
SYSTEM 1200/1300
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Processor
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80386DX
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Processor Speed
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16/20MHz
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Chip Set
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Texas Instruments
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Max. onboard DRAM
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8MB
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Cache
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None
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BIOS
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Texas Instruments
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Dimensions
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260mm x 220mm
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I/O Options
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External memory slot, parallel port, serial port
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NPU Options
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80387DX
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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 memory slot
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J3
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CMOS battery
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J10
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Serial port
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J8
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Optional keyboard connector
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J11
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Parallel port
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J9
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USER CONFIGURABLE SETTINGS
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Function
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Switch
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Position
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Monitor type select color
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SW1/switch 1
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On
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Monitor type select monochrome
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SW1/switch 1
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Off
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NPU enabled
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SW1/switch 2 & 3
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On
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NPU disabled
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SW1/switch 2 & 3
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Off
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NPU synchronous with CPU
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SW1/switch 4
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Off
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NPU asynchronous
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SW1/switch 4
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On
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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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1MB
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(4) 256K x 9
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NONE
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2MB
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(4) 256K x 9
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(4) 256K x 9
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4MB
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(4) 1M x 9
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NONE
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8MB
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(4) 1M x 9
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(4) 1M x 9
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LED CONFIGURATION
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Red1
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Yel.
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Gre.
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Red2
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Item failed
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On
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On
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On
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On
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CPU
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On
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On
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On
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Off
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8142 test keyboard
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On
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On
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Off
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On
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8254 timer 1 test
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On
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On
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Off
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Off
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ROM CRC check
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On
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Off
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On
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On
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CMOS RAM test
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On
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Off
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On
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Off
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Memory refresh test
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On
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Off
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Off
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On
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0 - 256K RAM test
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On
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Off
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Off
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Off
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Turbo mode test
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Off
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Off
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Off
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Off
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Turbo parity error
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Off
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Off
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Off
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On
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Nonturbo parity error
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Off
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On
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On
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On
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8259 test
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Off
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On
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On
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On
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8254 timer interrupt
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Off
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On
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On
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Off
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Protected mode test
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Off
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On
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Off
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On
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8254 timer 2 test
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Off
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On
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Off
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Off
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DMA test
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