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MST 486A GENERATION STANDARD
UNIDENTIFIED
MST 486A GENERATION STANDARD
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Processor
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80486DX
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Processor Speed
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25MHz
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Chip Set
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OPTI
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Max. Onboard DRAM
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16MB
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SRAM Cache
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128KB
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BIOS
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AMI
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Dimensions
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330mm x 220mm
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I/O Options
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None
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NPU Options
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4167
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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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J1
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Reset switch
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J4
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Speaker
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J2
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External battery
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J6
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USER CONFIGURABLE SETTINGS
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Function
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Jumper/Switch
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Position
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Monitor type select Color
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JP1
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pins 1 & 2 closed
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Monitor type select Monochrome
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JP1
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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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Bank Type
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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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A
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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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NONE
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NONE
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A
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3MB
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(4) 256K x 9
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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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A
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4MB
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NONE
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NONE
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NONE
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(36) 411000
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B
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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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A
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5MB
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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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A
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6MB
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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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A
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7MB
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(4) 256K x 9
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(4) 256K x 9
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(4) 256K x 9
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(36) 411000
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B
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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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NONE
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NONE
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A
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9MB
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(4) 1M x 9
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(4) 1M x 9
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(4) 256K x 9
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NONE
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A
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10MB
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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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(36) 411000
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B
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12MB
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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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A
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13MB
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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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(36) 411000
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B
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16MB
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(4) 1 M x 9
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(4) 1M x 9
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(4) 1M x 9
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(36) 411000
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B
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Note: pins are shown in the closed position
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CACHE CONFIGURATION
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Size
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Cache
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128KB
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(16) 8K x 8
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