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

   VANTAGE-386SX

   Processor              80386SX                                 
   Processor Speed        16/20MHz                                
   Chip Set               Unidentified                            
   Video Chip Set         None                                    
   Maximum Onboard Memory 8MB                                     
   Maximum Video Memory   None                                    
   Cache                  None                                    
   BIOS                   AMI                                     
   Dimensions             330mm x 218mm                           
   I/O Options            None                                    
   NPU Options            80387SX                                 

<gopher://bitreich.org/I/th99/m/P-R/33787-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location | Purpose           | Location |
   |------------------+----------+-------------------+----------|
   | Reset switch     |   HD1    | Turbo LED         | J72 pins |
   |                  |          |                   |  2 & 3   |
   |------------------+----------+-------------------+----------|
   | External battery |    J7    | Power LED &       |   JP61   |
   |                  |          | keylock           |          |
   |------------------+----------+-------------------+----------|
   | Turbo switch     |   J71    | Speaker           |   JP63   |
   |------------------------------------------------------------|
   | Note: On some versions, J72 is a 2 pin jumper.             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Label |  Position  |
   |---------------------------------------+-------+------------|
   |>> | NPU not installed                 |  J18  |   Closed   |
   |---+-----------------------------------+-------+------------|
   |   | NPU installed                     |  J18  |    Open    |
   |---+-----------------------------------+-------+------------|
   |>> | IRQ5 enabled                      |  J73  | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | IRQ5 disabled                     |  J73  | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Factory configured - do not alter | JP10  |   Closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Factory configured - do not alter | JP62  |    Open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  |   Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
   |-------+-------------+------------+------------+------------|
   | 512KB | (2) 256K x  |    None    |    None    |    None    |
   |       |      9      |            |            |            |
   |-------+-------------+------------+------------+------------|
   |  1MB  | (2) 256K x  | (2) 256K x |    None    |    None    |
   |       |      9      |     9      |            |            |
   |-------+-------------+------------+------------+------------|
   | 1.5MB | (2) 256K x  | (2) 256K x | (2) 256K x |    None    |
   |       |      9      |     9      |     9      |            |
   |-------+-------------+------------+------------+------------|
   |  2MB  | (2) 256K x  | (2) 256K x | (2) 256K x | (2) 256K x |
   |       |      9      |     9      |     9      |     9      |
   |-------+-------------+------------+------------+------------|
   |  2MB  | (2) 1M x 9  |    None    |    None    |    None    |
   |-------+-------------+------------+------------+------------|
   |  3MB  | (2) 256K x  | (2) 256K x | (2) 1M x 9 |    None    |
   |       |      9      |     9      |            |            |
   |-------+-------------+------------+------------+------------|
   |  4MB  | (2) 1M x 9  | (2) 1M x 9 |    None    |    None    |
   |-------+-------------+------------+------------+------------|
   |  5MB  | (2) 256K x  | (2) 256K x | (2) 1M x 9 | (2) 1M x 9 |
   |       |      9      |     9      |            |            |
   |-------+-------------+------------+------------+------------|
   |  6MB  | (2) 1M x 9  | (2) 1M x 9 | (2) 1M x 9 |    None    |
   |-------+-------------+------------+------------+------------|
   |  8MB  | (2) 1M x 9  | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
   |------------------------------------------------------------|
   | Note: The location of banks 0, 1, 2, & 3 are unidentified. |
   +------------------------------------------------------------+