PC WARE INTERNATIONAL, INC.
===========================

   UMC 486 VESA BUS

   Processor         80486SX/CX487S/80486DX/80486DX2              
   Processor Speed   20/25/33/50(internal)/50/66(internal)MHz     
   Chip Set          UMC                                          
   Max. Onboard DRAM 32MB                                         
   Cache             32/64/128/256KB                              
   BIOS              AMI                                          
   Dimensions        254mm x 218mm                                
   I/O Options       32-bit VESA local bus slots (3)              
   NPU Options       None                                         

<gopher://bitreich.org/I/th99/m/P-R/31885-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose      | Location | Purpose               | Location |
   |--------------+----------+-----------------------+----------|
   | Power LED &  |    J3    | Reset switch          |    J7    |
   | keylock      |          |                       |          |
   |--------------+----------+-----------------------+----------|
   | Speaker      |    J4    | 32-bit VESA local bus |    S1    |
   |              |          | slot                  |          |
   |--------------+----------+-----------------------+----------|
   | Turbo LED    |    J5    | 32-bit VESA local bus |    S2    |
   |              |          | slot                  |          |
   |--------------+----------+-----------------------+----------|
   | Turbo switch |    J6    | 32-bit VESA local bus |    S3    |
   |              |          | slot                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Jumper  | Position |
   |---------------------------------------+---------+----------|
   |>> | Factory configured - do not alter |   J8    |   N/A    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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) 1M x 9     |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       16MB       |     (4) 4M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       17MB       |     (4) 4M x 9     |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 4M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |    Bank 1     |      TAG      |
   |------------+---------------+---------------+---------------|
   |    32KB    |  (4) 32K x 8  |     NONE      |  (1) 8K x 8   |
   |------------+---------------+---------------+---------------|
   |    64KB    |  (4) 8K x 8   |  (4) 8K x 8   |  (1) 8K x 8   |
   |------------+---------------+---------------+---------------|
   |   128KB    |  (4) 32K x 8  |     NONE      |  (1) 8K x 8   |
   |------------+---------------+---------------+---------------|
   |   256KB    |  (4) 32K x 8  |  (4) 32K x 8  |  (1) 32K x 8  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |  Size  |    JP4     |    JP5     |  JP6  |  JP7   |  JP8   |
   |--------+------------+------------+-------+--------+--------|
   |  32KB  |    None    |    None    | None  |  None  |  None  |
   |--------+------------+------------+-------+--------+--------|
   |  64KB  |    Open    | pins 1 & 2 | Open  | Closed | Closed |
   |--------+------------+------------+-------+--------+--------|
   | 128KB  | pins 2 & 3 | pins 2 & 3 | Open  | Closed | Closed |
   |--------+------------+------------+-------+--------+--------|
   | 256KB  | pins 1 & 2 | pins 1 & 2 | Open  | Closed | Closed |
   |------------------------------------------------------------|
   | Note:Pins designated should be in the closed position.     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |   Type   |  JP3   |       JP13        |        JP14        |
   |----------+--------+-------------------+--------------------|
   | 80486SX  |  N/A   | pins 1 & 2 closed | pins 1 & 2 and 3 & |
   |          |        |                   |         4          |
   |----------+--------+-------------------+--------------------|
   |  CX487S  | Closed |        N/A        |        N/A         |
   |----------+--------+-------------------+--------------------|
   | 80487SX  |  N/A   |       Open        | pins 2 & 3 closed  |
   |----------+--------+-------------------+--------------------|
   | 80486DX  |  N/A   | pins 1 & 2 closed | pins 1 & 2 and 3 & |
   |          |        |                   |         4          |
   |----------+--------+-------------------+--------------------|
   | 80486DX2 |  N/A   | pins 1 & 2 closed | pins 1 & 2 and 3 & |
   |          |        |                   |         4          |
   |----------+--------+-------------------+--------------------|
   | ODP486SX |  N/A   | pins 2 & 3 closed | pins 1 & 2 and 3 & |
   |          |        |                   |         4          |
   |------------------------------------------------------------|
   | Note:Pins designated should be in the closed position.     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                VESA BUS SPEED CONFIGURATION                |
   |------------------------------------------------------------|
   |       Speed        |       JP9        |        JP16        |
   |--------------------+------------------+--------------------|
   |      < 33MHz       |       Open       | pins 1 & 2 closed  |
   |--------------------+------------------+--------------------|
   |      > 33MHz       |      Closed      | pins 2 & 3 closed  |
   +------------------------------------------------------------+