PIONEER COMPUTER, INC.
======================

   VANTAGE 386 CACHE 25/33/40MHz

   Processor             80386DX                                  
   Processor Speed       25/33/40MHz                              
   Chip Set              C & T                                    
   Max. Onboard DRAM     32MB                                     
   Cache                 64/128KB                                 
   BIOS                  AMI                                      
   Dimensions            330mm x 218mm                            
   I/O Options           None                                     
   NPU Options           80387/3167                               

<gopher://bitreich.org/I/th99/m/P-R/30136-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location | Purpose           | Location |
   |------------------+----------+-------------------+----------|
   | Speaker          |    J1    | Power LED &       |    J4    |
   |                  |          | keylock           |          |
   |------------------+----------+-------------------+----------|
   | External battery |    J2    | Reset switch      |    J7    |
   |------------------+----------+-------------------+----------|
   | Turbo LED        |    J3    |                   |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | CMOS memory normal operation     |  JP6   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CMOS memory clear                |  JP6   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  JP13  |    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) 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     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM JUMPER CONFIGURATION                  |
   |------------------------------------------------------------|
   |            Size            |              JP7              |
   |----------------------------+-------------------------------|
   |            1MB             |       pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |            2MB             |       pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |            4MB             |       pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |            5MB             |       pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |            8MB             |       pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |            16MB            |       pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |            17MB            |       pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |            20MB            |       pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |            32MB            |       pins 1 & 2 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  |   Bank 0    |   Bank 1   | TAG (U14)  | TAG (U15)  |
   |-------+-------------+------------+------------+------------|
   | 64KB  | (4) 8K x 8  | (4) 8K x 8 | (1) 8K x 8 | (1) 8K x 8 |
   |-------+-------------+------------+------------+------------|
   | 128KB | (4) 32K x 8 |    NONE    |    NONE    | (1) 32K x  |
   |       |             |            |            |     8      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |            Size            |              JP4              |
   |----------------------------+-------------------------------|
   |            64KB            |       pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |           128KB            |       pins 1 & 2 closed       |
   +------------------------------------------------------------+