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Bravo LC 486 (202480-XXX)
AST RESEARCH, INC.
Bravo LC 486 (202480-XXX)
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Processor
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80486SX
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Processor Speed
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25MHz
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Chip Set
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AST
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Max. Onboard DRAM
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64MB
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Cache
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None
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BIOS
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AST
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Dimensions
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254mm x 338mm
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I/O Options
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Bus mouse port, CPU/Cache upgrade module, floppy drive interface, IDE interface, LAN module, parallel port, serial port (2), VGA port
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NPU Options
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None
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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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Serial port 2 (COM2)
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J12
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Floppy drive interface
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J24
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Parallel port
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J13
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External speaker
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J27
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Bus mouse port
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J14
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Fan power
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J28
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LAN module
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J15 & J16
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Front panel switches & LEDs
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J29
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Serial port 1 (COM1)
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J17
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Feature connector
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J46
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VGA port
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J18
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CPU/Cache upgrade module
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J50, J51, J52, J53
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VGA pass-through
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J19
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IDE interface LED
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J100
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IDE interface
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J22
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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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Factory configured - do not alter
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E1
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open
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Factory configured - do not alter
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E2
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pins 2 & 3 closed
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Parallel port interrupt select IRQ7
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E5
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pins 2 & 3 closed
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Parallel port interrupt select IRQ5
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E5
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pins 1 & 2 closed
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CMOS memory normal operation
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E6
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open
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CMOS memory clear
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E6
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closed
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VGA port enabled
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SW1/switch 1
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closed
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VGA port disabled
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SW1/switch 1
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open
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Password check enabled
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SW1/switch 2
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open
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Password check disabled
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SW1/switch 2
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closed
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Factory configured - do not alter
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SW1/switch 3
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open
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Factory configured - do not alter
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SW1/switch 4
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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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Bank 2
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Bank 3
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2MB
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(1) 256K x 36
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(1) 256K x 36
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NONE
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NONE
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4MB
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(1) 256K x 36
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(1) 256K x 36
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(1) 256K x 36
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(1) 256K x 36
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4MB
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(1) 1M x 36
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NONE
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NONE
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NONE
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8MB
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(1) 1M x 36
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(1) 1M x 36
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NONE
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NONE
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16MB
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(1) 1M x 36
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(1) 1M x 36
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(1) 1M x 36
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(1) 1M x 36
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16MB
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(1) 4M x 36
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NONE
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NONE
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NONE
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32MB
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(1) 4M x 36
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(1) 4M x 36
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NONE
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NONE
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64MB
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(1) 4M x 36
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(1) 4M x 36
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(1) 4M x 36
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(1) 4M x 36
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VRAM CONFIGURATION
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Size
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VRAM
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512KB
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(4) 44256
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