U.S. INTEGRATED TECHNOLOGIES, INC.
==================================

   486 25/33

   Processor             80486DX                                  
   Processor Speed       25/33/40MHz                              
   Chip Set              Unidentified                             
   Max. Onboard DRAM     32MB                                     
   Cache                 64/256KB                                 
   BIOS                  AMI                                      
   Dimensions            330mm x 218mm                            
   I/O Options           32-bit external memory card slot         
   NPU Options           4167                                     

<gopher://bitreich.org/I/th99/m/U-Z/30854-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Speaker           |   JP8    | Reset switch     |   SW1    |
   |-------------------+----------+------------------+----------|
   | External battery  |   JP10   | 32-bit external  |    S2    |
   |                   |          | memory card      |          |
   |-------------------+----------+------------------+----------|
   | Power LED &       |   JP11   |                  |          |
   | keylock           |          |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |             Function              | Jumper |   Position    |
   |-----------------------------------+--------+---------------|
   |>> | Monitor type select color     |  JP1   |    Closed     |
   |---+-------------------------------+--------+---------------|
   |   | Monitor type select           |  JP1   |     Open      |
   |   | monochrome                    |        |               |
   |---+-------------------------------+--------+---------------|
   |>> | Speaker type select internal  |  JP7   |  pins 1 & 2   |
   |   |                               |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |   | Speaker type select external  |  JP7   |  pins 2 & 3   |
   |   |                               |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |>> | Battery type select internal  |  JP9   |  pins 1 & 2   |
   |   |                               |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |   | Battery type select external  |  JP9   |  pins 2 & 3   |
   |   |                               |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |>> | Factory configured - do not   |  JP31  |    Closed     |
   |   | alter                         |        |               |
   |---+-------------------------------+--------+---------------|
   |>> | Factory configured - do not   |  JP32  |     Open      |
   |   | alter                         |        |               |
   |---+-------------------------------+--------+---------------|
   |>> | Factory configured - do not   |  JP33  |    Closed     |
   |   | alter                         |        |               |
   |---+-------------------------------+--------+---------------|
   |>> | Factory configured - do not   |  JP34  |    Closed     |
   |   | alter                         |        |               |
   |---+-------------------------------+--------+---------------|
   |>> | Factory configured - do not   |  JP35  |    Closed     |
   |   | alter                         |        |               |
   |---+-------------------------------+--------+---------------|
   |>> | Factory configured - do not   |  JP36  |    Closed     |
   |   | alter                         |        |               |
   |---+-------------------------------+--------+---------------|
   |>> | Factory configured - do not   |  JP37  |    Closed     |
   |   | alter                         |        |               |
   |---+-------------------------------+--------+---------------|
   |>> | Factory configured - do not   |  JP39  |  pins 2 & 3   |
   |   | alter                         |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |>> | Factory configured - do not   |  JP40  |  pins 1 & 2   |
   |   | alter                         |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |>> | Factory configured - do not   |  JP41  |  pins 2 & 3   |
   |   | alter                         |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |>> | Factory configured - do not   |  JP45  | pins 1 & 2, 3 |
   |   | alter                         |        |  & 4 closed   |
   |---+-------------------------------+--------+---------------|
   |>> | Factory configured - do not   |  JP46  | pins 1 & 2, 3 |
   |   | alter                         |        |  & 4 closed   |
   |---+-------------------------------+--------+---------------|
   |>> | Factory configured - do not   |  JP48  |     Open      |
   |   | alter                         |        |               |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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) 1 M 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      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |        TAG         |
   |------------------+--------------------+--------------------|
   |       64KB       |     (8) 8K x 8     |    (2) 16K x 4     |
   |------------------+--------------------+--------------------|
   |      256KB       |    (8) 32K x 8     |    (2) 16K x 4     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |   Size   |   JP4    |   JP5   |  JP6   |  JP20   |  JP21   |
   |----------+----------+---------+--------+---------+---------|
   |   64KB   |   Open   |  2 & 3  | 2 & 3  |  Open   |  Open   |
   |----------+----------+---------+--------+---------+---------|
   |  256KB   |  Closed  |  1 & 2  | 1 & 2  | Closed  | Closed  |
   |------------------------------------------------------------|
   | Note: Pins designated should be in the closed position.    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   |   Speed    |   S1/3    |   S1/4    |   S1/5    |   S1/6    |
   |------------+-----------+-----------+-----------+-----------|
   |   25MHz    |    On     |    Off    |    Off    |    Off    |
   |------------+-----------+-----------+-----------+-----------|
   |   33MHz    |    On     |    Off    |   Open    |    On     |
   |------------+-----------+-----------+-----------+-----------|
   |   40MHz    |    Off    |    On     |    Off    |    On     |
   +------------------------------------------------------------+