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386SX-16/20
EVEREX SYSTEMS, INC.
386SX-16/20
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Processor
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80386SX
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Processor Speed
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16/20MHz
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Chip Set
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Suntac
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Max. Onboard DRAM
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8MB
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Cache
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None
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BIOS
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AMI
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Dimensions
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355mm x 304mm
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I/O Options
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VGA port, VGA feature connector, parallel port, serial ports (2)
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NPU Options
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80387SX
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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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IDE interface LED
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J1
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Serial port 2
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J12
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Front panel display
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J3
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Serial port 1
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J13
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VGA feature connector
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J6
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VGA port
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J14
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Speaker enable/disable switch
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J9
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Riser card
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R1
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Parallel port
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J11
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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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Onboard VGA enabled
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JP5
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Closed
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Onboard VGA disabled
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JP5
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Open
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SERIAL PORT 1 CONFIGURATION
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COM1
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JP1
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DTE
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pins 1 & 12, 2 & 11, 3 & 10, 4 & 9, 5 & 8, and 6 & 7 closed
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DCE
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pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, and 11 & 12 closed
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SERIAL PORT 2 CONFIGURATION
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COM2
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JP2
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DTE
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pins 1 & 12, 2 & 11, 3 & 10, 4 & 9, 5 & 8, and 6 & 7 closed
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DCE
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pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, and 11 & 12 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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512KB
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(2) 256K x 9
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NONE
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NONE
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NONE
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1MB
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(2) 256K x 9
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(2) 256K x 9
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NONE
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NONE
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2MB
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(2) 256K x 9
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(2) 256K x 9
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(2) 256K x 9
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(2) 256K x 9
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3MB
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(2) 256K x 9
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(2) 256K x 9
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(2) 1M x 9
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NONE
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4MB
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(2) 1M x 9
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(2) 1M x 9
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NONE
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NONE
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5MB
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(2) 256K x 9
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(2) 256K x 9
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(2) 1M x 9
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(2) 1M x 9
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6MB
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(2) 1M x 9
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(2) 1M x 9
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(2) 1M x 9
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NONE
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8MB
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(2) 1M x 9
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(2) 1M x 9
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(2) 1M x 9
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(2) 1M x 9
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