(TXT) View Source
       
       # MYLEX CORPORATION
       
          MSL486 SLIMLINE
       
          Processor    80486SX/80487SX/80486DX/ODP486SX/80486DX2         
          Processor    16/20/25/33/50 (Internal)/66 (Internal)           
          Speed        
          Chip Set     Headland                                          
          Max. onboard 32MB                                              
          DRAM         
          Cache        None                                              
          BIOS         Mylex                                             
          Dimensions   330mm x 218mm                                     
          I/O Options  Floppy drive interface, IDE interface, parallel   
                       port,                                             
                                                                         
                       serial ports (2), VGA port                        
          NPU Options  None                                              
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | Turbo LED         |    P1    | Parallel port    |    P7    |
          |-------------------+----------+------------------+----------|
          | Power LED &       |    P2    | Serial port      |    P8    |
          | keylock           |          | (COM2)           |          |
          |-------------------+----------+------------------+----------|
          | Speaker           |    P3    | Serial port      |    P9    |
          |                   |          | (COM1)           |          |
          |-------------------+----------+------------------+----------|
          | IDE interface LED |    P4    | IDE interface    |   P12    |
          |-------------------+----------+------------------+----------|
          | Reset switch      |    P5    | Floppy drive     |   P13    |
          |                   |          | interface        |          |
          |-------------------+----------+------------------+----------|
          | VGA port          |    P6    |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |            Function             | Jumper/Switch | Position |
          |---------------------------------+---------------+----------|
          | » | Factory configured - do not |      J5       |   N/A    |
          |   | alter                       |               |          |
          |---+-----------------------------+---------------+----------|
          | » | Factory configured - do not |      J11      |   N/A    |
          |   | alter                       |               |          |
          |---+-----------------------------+---------------+----------|
          | » | Parallel port select        |   J12 & J13   |  Closed  |
          |   | unidirectional (printer)    |               |          |
          |---+-----------------------------+---------------+----------|
          |   | Parallel port select        |   J12 & J13   |   Open   |
          |   | bi-directional              |               |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       1MB        |    (4) 256K x 9    |        NONE        |
          |------------------+--------------------+--------------------|
          |       2MB        |    (4) 256K x 9    |    (4) 256K x 9    |
          |------------------+--------------------+--------------------|
          |       4MB        |     (4) 1M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       5MB        |    (4) 256K x 9    |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       16MB       |     (4) 4M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       17MB       |    (4) 256K x 9    |     (4) 4M x 9     |
          |------------------+--------------------+--------------------|
          |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
          |------------------+--------------------+--------------------|
          |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     VRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |     Size     | VRAM (U5,U6,U9,U10) |    J6     |    J7     |
          |--------------+---------------------+-----------+-----------|
          |    512KB     |        None         |    On     |    Off    |
          |--------------+---------------------+-----------+-----------|
          |     1MB      |    (4) 256K x 4     |    Off    |    On     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |  Size   |       J8       |       J9       |      J10       |
          |---------+----------------+----------------+----------------|
          |  16MHz  |   pins 2 & 3   |   pins 1 & 2   |   pins 2 & 3   |
          |         |     closed     |     closed     |     closed     |
          |---------+----------------+----------------+----------------|
          |  20MHz  |   pins 1 & 2   |   pins 1 & 2   |   pins 2 & 3   |
          |         |     closed     |     closed     |     closed     |
          |---------+----------------+----------------+----------------|
          |  25MHz  |   pins 2 & 3   |   pins 2 & 3   |   pins 1 & 2   |
          |         |     closed     |     closed     |     closed     |
          |---------+----------------+----------------+----------------|
          |  33MHz  |   pins 1 & 2   |   pins 2 & 3   |   pins 1 & 2   |
          |         |     closed     |     closed     |     closed     |
          |---------+----------------+----------------+----------------|
          | 50i MHz |   pins 2 & 3   |   pins 2 & 3   |   pins 1 & 2   |
          |         |     closed     |     closed     |     closed     |
          |---------+----------------+----------------+----------------|
          | 66i MHz |   pins 1 & 2   |   pins 2 & 3   |   pins 1 & 2   |
          |         |     closed     |     closed     |     closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          | CPU Type |  J1  |       J2       |     J3     |     J4     |
          |----------+------+----------------+------------+------------|
          | 80486SX  | Open |      Open      | pins 2 & 3 |    Open    |
          |          |      |                |   closed   |            |
          |----------+------+----------------+------------+------------|
          | 80487SX  | Open |   pins 1 & 2   | pins 1 & 2 | pins 2 & 3 |
          |          |      |     closed     |   closed   |   closed   |
          |----------+------+----------------+------------+------------|
          | 80486DX  | Open |   pins 1 & 2   | pins 1 & 2 | pins 1 & 2 |
          |          |      |     closed     |   closed   |   closed   |
          |----------+------+----------------+------------+------------|
          | ODP486SX | Open |   pins 1 & 2   | pins 1 & 2 | pins 2 & 3 |
          |          |      |     closed     |   closed   |   closed   |
          |----------+------+----------------+------------+------------|
          | 80486DX2 | Open |   pins 1 & 2   | pins 1 & 2 | pins 1 & 2 |
          |          |      |     closed     |   closed   |   closed   |
          +------------------------------------------------------------+