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SY-020A/B
SOYO COMPUTER CO., LTD.
SY-020A/B
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Processor
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80486DX
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Processor Speed
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25/33MHz
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Chip Set
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ETEQ
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Max. Onboard DRAM
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64MB
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Cache
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64/256KB
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BIOS
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AMI
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Dimensions
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314mm x 288mm
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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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J17
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Turbo LED
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J22
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Speaker
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J18
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External battery
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JP1
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Reset switch
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J19
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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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Factory configured - do not alter
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JP2
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Closed
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Monitor type select monochrome
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JP3
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pins 2 & 3 closed
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Monitor type select color
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JP3
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pins 1 & 2 closed
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CMOS memory normal operation
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JP5
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pins 1 & 2 closed
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CMOS memory clear
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JP5
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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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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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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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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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4MB
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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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(4) 256K x 9
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5MB
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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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NONE
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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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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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(4) 1M x 9
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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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9MB
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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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(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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(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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(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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(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) 4M x 9
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NONE
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NONE
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NONE
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20MB
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(4) 1M x 9
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(4) 4M x 9
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NONE
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NONE
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24MB
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(4) 1M x 9
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(4) 1M x 9
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(4) 4M x 9
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NONE
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28MB
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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) 4M x 9
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32MB
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(4) 4M x 9
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(4) 4M x 9
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NONE
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NONE
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36MB
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(4) 1M x 9
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(4) 4M x 9
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(4) 4M x 9
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NONE
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40MB
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(4) 1M x 9
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(4) 1M x 9
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(4) 4M x 9
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(4) 4M x 9
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48MB
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(4) 4M x 9
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(4) 4M x 9
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(4) 4M x 9
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NONE
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52MB
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(4) 1M x 9
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(4) 4M x 9
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(4) 4M x 9
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(4) 4M x 9
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64MB
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(4) 4M x 9
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(4) 4M x 9
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(4) 4M x 9
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(4) 4M x 9
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CACHE CONFIGURATION
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Size
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Bank 0
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Tag
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64KB
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(8) 8K x 8
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(2) 4K x 4
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256KB
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(8) 32K x 8
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(2) 16K x 4
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CACHE JUMPER CONFIGURATION
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Size
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JP15
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JP16
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JP17
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JP18
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JP33
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64KB
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Open
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Open
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2 & 3
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2 & 3
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Open
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256KB
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Closed
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Closed
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1 & 2
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1 & 2
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Closed
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Note: Pins designated should be in the closed position.
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