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MODEL 3386-6XXX PC925/PC386
NCR CORPORATION
MODEL 3386-6XXX PC925/PC386
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Processor
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80386
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Processor Speed
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25MHz
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Chip Set
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Unidentified
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Video Chip Set
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None
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Maximum Onboard Memory
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16MB (8MB on external memory card)
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Maximum Video Memory
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None
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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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355mm x 304mm
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I/O Options
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External memory card
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NPU Options
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80387
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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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Turbo LED
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J1
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External battery
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J9
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Speaker
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J7
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External memory card
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SL1
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Power LED & keylock
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J8
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USER CONFIGURABLE SETTINGS
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Function
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Label
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Position
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Jumper not used
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J2
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N/A
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»
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BIOS type select 27256
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J4
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Pins 1 & 2 closed
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BIOS type select 27128
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J4
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Pins 2 & 3 closed
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»
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NPU installed
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J5
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Pins 1 & 2 closed
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NPU not installed
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J5
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Pins 2 & 3 closed
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»
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Manufacturing diagnostics loop disabled
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SW/1
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Off
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Manufacturing diagnostics loop enabled
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SW/1
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On
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Monitor type select color
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SW/2
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On
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Monitor type select monochrome
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SW/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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4MB
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411000
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None
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8MB
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411000
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(4) 1M x 9
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Note: The location of banks 0 & 1 are unidentified. The number of chips for bank 0 are unidentified.
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DRAM JUMPER CONFIGURATION
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Size
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J27
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4MB
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Pins 1 & 2, 3 & 4 closed
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8MB
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Pins 2 & 3, 4 & 5 closed
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MISCELLANEOUS TECHINCAL NOTE
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The location of all pin 1s are unidentified.
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