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80386SX/25 MHZ
SIEMENS NIXDORF INFORMATIONSSYSTEME AG
80386SX/25 MHZ
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Processor
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80386SX
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Processor Speed
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25MHz
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Chip Set
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Unidentified
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Video Chip Set
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None
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Maximum Onboard Memory
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16MB
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Maximum Video Memory
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None
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Cache
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None
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BIOS
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Unidentified
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Dimensions
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Unidentified
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I/O Options
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Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, PS/2 mouse interface, serial ports (2), VGA port, external CRT controller
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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
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CN1
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Serial port 1
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CN10
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Floppy drive interface
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CN2
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VGA port
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CN11
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IDE interface LED
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CN3
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Auxiliary keyboard connector
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CN12
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IDE indicator connector
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CN4
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Serial connector 2
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CN13
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System interface
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CN5
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PS/2 mouse interface
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CN14
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PS/2 mouse port
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CN7
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External CRT controller
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CN15
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Parallel port
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CN8
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External battery
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CN16
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Serial port 2
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CN9
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Keyswitch connector
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CN17
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USER CONFIGURABLE SETTINGS
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Function
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Label
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Position
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»
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Monitor type select color
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X1
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Pins 2 & 3 closed
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Monitor type select monochrome
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X1
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Pins 1 & 2 closed
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»
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On board I/O enabled
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X3
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Closed
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On board I/O disabled
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X3
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Open
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»
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Factory configured - do not alter
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X4
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Unidentified
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»
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Automatic recognition of HD & DD floppy drives enabled
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X6
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Pins 1 & 2 closed
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Automatic recognition of HD & DD floppy drives disabled
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X6
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Pins 2 & 3 closed
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»
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VGA IRQ9 enabled
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X9
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Closed
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VGA IRQ9 disabled
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X9
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Open
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»
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ISA bus driver current select 12mA
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X30
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Pins 2 & 3 closed
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ISA bus driver current select 24mA
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X30
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Pins 1 & 2 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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2MB
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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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8MB
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(2) 4M x 9
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None
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10MB
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(2) 1M x 9
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(2) 4M x 9
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16MB
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(2) 4M x 9
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(2) 4M x 9
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