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80386 SMT ASIC, 386 ASIC CACHE VER. 4.0
MICRONICS COMPUTERS, INC.
80386 SMT ASIC, 386 ASIC CACHE VER. 4.0
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Processor
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80386DX
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Processor Speed
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25/33MHz
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Chip Set
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Micronics
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Max. Onboard DRAM
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4MB
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Cache
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64KB
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BIOS
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AMI
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Dimensions
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215mm x 337mm
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I/O Options
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32-bit external memory card
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NPU Options
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80387/3167
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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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Power LED & keylock
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J5
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32-bit external memory card
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S1
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External keyboard
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J6
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Reset switch
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W1
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Speaker
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J8
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Turbo LED
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W4
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External battery
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J9
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Turbo switch
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W5
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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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Factory configured - do not alter
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SW1/1
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On
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NPU enabled
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SW1/2
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Off
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NPU disabled
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SW1/2
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On
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BIOS shadowing enabled
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SW1/4
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Off
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BIOS shadowing disabled
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SW1/4
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On
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Factory configured - do not alter
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SW1/5
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Off
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Monitor type select color
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SW1/6
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On
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Monitor type select monochrome
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SW1/6
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Off
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Cache enabled
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SW1/7
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On
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Cache disabled
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SW1/7
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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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Bank 4
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1MB
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(4) 256K x 9
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NONE
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NONE
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NONE
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NONE
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1MB
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NONE
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(4) 256K x 9
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NONE
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NONE
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NONE
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2MB
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(4) 256K x 9
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NONE
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(4) 256K x 9
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NONE
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NONE
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2MB
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NONE
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(4) 256K x 9
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(4) 256K x 9
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NONE
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NONE
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4MB
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(4) 1M x 9
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NONE
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NONE
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NONE
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NONE
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4MB
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NONE
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(4) 1M x 9
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NONE
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NONE
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NONE
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5MB
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(4) 256K x 9
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NONE
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(4) 1M x 9
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NONE
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NONE
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5MB
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NONE
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(4) 256K x 9
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(4) 1M x 9
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NONE
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NONE
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6MB
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(4) 256K x 9
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NONE
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(4) 256K x 9
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(4) 1M x 9
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NONE
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6MB
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NONE
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(4) 256K x 9
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(4) 256K x 9
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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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NONE
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(4) 1M x 9
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NONE
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NONE
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8MB
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NONE
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(4) 1M x 9
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(4) 1M x 9
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NONE
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NONE
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9MB
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(4) 256K x 9
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NONE
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(4) 1M x 9
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(4) 1M x 9
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NONE
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9MB
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NONE
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(4) 256K x 9
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(4) 1M x 9
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(4) 1M x 9
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NONE
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10MB
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(4) 256K x 9
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NONE
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(4) 256K x 9
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(4) 1M x 9
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(4) 1M x 9
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10MB
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NONE
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(4) 256K x 9
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(4) 256K x 9
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(4) 1M x 9
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(4) 1M x 9
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12MB
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(4) 1M x 9
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NONE
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(4) 1M x 9
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(4) 1M x 9
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NONE
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12MB
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NONE
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(4) 1M x 9
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(4) 1M x 9
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(4) 1M x 9
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NONE
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13MB
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(4) 256K x 9
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NONE
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(4) 1M x 9
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(4) 1M x 9
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(4) 1M x 9
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13MB
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NONE
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(4) 256K x 9
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(4) 1M x 9
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(4) 1M x 9
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(4) 1M x 9
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16MB
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(4) 1M x 9
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NONE
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(4) 1M x 9
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(4) 1M x 9
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(4) 1M x 9
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16MB
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NONE
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(4) 1M x 9
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(4) 1M x 9
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(4) 1M x 9
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(4) 1M x 9
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Note:Banks 1, 2, 3, & 4 are utilized when a 32-bit external memory card is installed at S1.
Banks 0 & 1 can not be used simultaneously
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CACHE CONFIGURATION
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Size
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Organization
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Cache
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Location
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W14
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W15
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32KB
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Direct mapped
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(4) 8K x 8
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Bank 0
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closed
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pins 1 & 2 closed
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64KB
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2-way set associative
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(8) 8K x 8
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Banks 0 & 1
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open
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pins 2 & 3 closed
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CACHE JUMPER CONFIGURATION
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Size
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W14
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W15
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32KB
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closed
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pins 1 & 2 closed
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64KB
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open
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pins 2 & 3 closed
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BUS SPEED CONFIGURATION
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Speed
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SW1/3
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SW1/8
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iOSC/3
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On
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Off
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iOSC/4
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Off
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On
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