(TXT) View Source
       
       # AST RESEARCH, INC.
       
          Bravo LC 486 (202480-XXX)
       
          Processor        80486SX                                       
          Processor Speed  25MHz                                         
          Chip Set         AST                                           
          Max. Onboard     64MB                                          
          DRAM             
          Cache            None                                          
          BIOS             AST                                           
          Dimensions       254mm x 338mm                                 
          I/O Options      Bus mouse port, CPU/Cache upgrade module,     
                           floppy drive interface, IDE interface, LAN    
                           module, parallel port, serial port (2), VGA   
                           port                                          
          NPU Options      None                                          
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose         | Location | Purpose           | Location  |
          |-----------------+----------+-------------------+-----------|
          | Serial port 2   |   J12    | Floppy drive      |    J24    |
          | (COM2)          |          | interface         |           |
          |-----------------+----------+-------------------+-----------|
          | Parallel port   |   J13    | External speaker  |    J27    |
          |-----------------+----------+-------------------+-----------|
          | Bus mouse port  |   J14    | Fan power         |    J28    |
          |-----------------+----------+-------------------+-----------|
          | LAN module      |  J15 &   | Front panel       |    J29    |
          |                 |   J16    | switches & LEDs   |           |
          |-----------------+----------+-------------------+-----------|
          | Serial port 1   |   J17    | Feature connector |    J46    |
          | (COM1)          |          |                   |           |
          |-----------------+----------+-------------------+-----------|
          | VGA port        |   J18    | CPU/Cache upgrade | J50, J51, |
          |                 |          | module            | J52, J53  |
          |-----------------+----------+-------------------+-----------|
          | VGA             |   J19    | IDE interface LED |   J100    |
          | pass-through    |          |                   |           |
          |-----------------+----------+-------------------+-----------|
          | IDE interface   |   J22    |                   |           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |           Function            | Jumper/Switch |  Position  |
          |-------------------------------+---------------+------------|
          | » | Factory configured - do   |      E1       |    open    |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |      E2       | pins 2 & 3 |
          |   | not alter                 |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | Parallel port interrupt   |      E5       | pins 2 & 3 |
          |   | select IRQ7               |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | Parallel port interrupt   |      E5       | pins 1 & 2 |
          |   | select IRQ5               |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | CMOS memory normal        |      E6       |    open    |
          |   | operation                 |               |            |
          |---+---------------------------+---------------+------------|
          |   | CMOS memory clear         |      E6       |   closed   |
          |---+---------------------------+---------------+------------|
          | » | VGA port enabled          | SW1/switch 1  |   closed   |
          |---+---------------------------+---------------+------------|
          |   | VGA port disabled         | SW1/switch 1  |    open    |
          |---+---------------------------+---------------+------------|
          | » | Password check enabled    | SW1/switch 2  |    open    |
          |---+---------------------------+---------------+------------|
          |   | Password check disabled   | SW1/switch 2  |   closed   |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   | SW1/switch 3  |    open    |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   | SW1/switch 4  |    open    |
          |   | not alter                 |               |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
          |------+-------------+-------------+------------+------------|
          | 2MB  | (1) 256K x  | (1) 256K x  |    NONE    |    NONE    |
          |      |     36      |     36      |            |            |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (1) 256K x  | (1) 256K x  | (1) 256K x | (1) 256K x |
          |      |     36      |     36      |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (1) 1M x 36 |    NONE     |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (1) 1M x 36 | (1) 1M x 36 |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 16MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 1M x  |  (1) 1M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 16MB | (1) 4M x 36 |    NONE     |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 32MB | (1) 4M x 36 | (1) 4M x 36 |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 64MB | (1) 4M x 36 | (1) 4M x 36 |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     VRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |        Size        |                 VRAM                  |
          |--------------------+---------------------------------------|
          |       512KB        |               (4) 44256               |
          +------------------------------------------------------------+