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VANTAGE 486NC SX-20/25/33
PIONEER COMPUTER, INC.
VANTAGE 486NC SX-20/25/33
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Processor
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80486SX/ODP486SX
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Processor Speed
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20/25/33/40(internal)/50(internal)/66(internal)MHz
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Chip Set
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OPTI
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Max. Onboard DRAM
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32MB
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Cache
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None
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BIOS
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Phoenix
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Dimensions
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240mm x 220mm
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I/O Options
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None
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NPU Options
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80487SX
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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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J2
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Speaker
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J5
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Turbo switch
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J3
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Power LED & keylock
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J6
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Reset switch
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J4
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External battery
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J7
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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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CMOS memory normal operation
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JP3
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pins 1 & 2 closed
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CMOS memory clear
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JP3
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pins 2 & 3 closed
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80487SX or ODP486SX upgrade not installed
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JP4
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pins 1 & 2 closed
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80487SX or ODP486SX upgrade installed
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JP4
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pins 2 & 3 closed
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Factory configured - do not alter
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JP6
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Open
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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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5MB
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(4) 1M x 9
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(4) 256K 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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16MB
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(4) 4M x 9
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NONE
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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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