(TXT) View Source
       
       # PIONEER COMPUTER, INC.
       
          VANTAGE 486WB DX-33/50 DX2-50/66 EISA
       
          Processor             80486DX/80486DX2                         
          Processor Speed       25/33/50/66(internal)MHz                 
          Chip Set              OPTI                                     
          Max. Onboard DRAM     256MB                                    
          Cache                 64/128/256/512KB                         
          BIOS                  AMI                                      
          Dimensions            365mm x 288mm                            
          I/O Options           None                                     
          NPU Options           4167                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose             | Location | Purpose        | Location |
          |---------------------+----------+----------------+----------|
          | Speaker             |    J1    | Turbo LED      |    J4    |
          |---------------------+----------+----------------+----------|
          | Power LED & keylock |    J2    | Reset switch   |    J5    |
          |---------------------+----------+----------------+----------|
          | Turbo switch        |    J3    |                |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP4   |    Open    |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | CPU installed select             |  JP5   | pins 1 & 2 |
          |   | 80486DX/80486DX2                 |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | CPU installed select ODP486SX-66 |  JP5   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP21  |    Open    |
          |   | alter                            |        |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  |   Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
          |-------+-------------+------------+------------+------------|
          |  4MB  | (4) 1M x 9  |    NONE    |    NONE    |    NONE    |
          |-------+-------------+------------+------------+------------|
          |  8MB  | (4) 1M x 9  | (4) 1M x 9 |    NONE    |    NONE    |
          |-------+-------------+------------+------------+------------|
          | 12MB  | (4) 1M x 9  | (4) 1M x 9 | (4) 1M x 9 |    NONE    |
          |-------+-------------+------------+------------+------------|
          | 16MB  | (4) 1M x 9  | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
          |-------+-------------+------------+------------+------------|
          | 16MB  | (4) 4M x 9  |    NONE    |    NONE    |    NONE    |
          |-------+-------------+------------+------------+------------|
          | 20MB  | (4) 1M x 9  | (4) 4M x 9 |    NONE    |    NONE    |
          |-------+-------------+------------+------------+------------|
          | 24MB  | (4) 1M x 9  | (4) 1M x 9 | (4) 4M x 9 |    NONE    |
          |-------+-------------+------------+------------+------------|
          | 24MB  | (4) 1M x 9  | (4) 4M x 9 | (4) 1M x 9 |    NONE    |
          |-------+-------------+------------+------------+------------|
          | 28MB  | (4) 1M x 9  | (4) 1M x 9 | (4) 4M x 9 | (4) 1M x 9 |
          |-------+-------------+------------+------------+------------|
          | 28MB  | (4) 1M x 9  | (4) 4M x 9 | (4) 1M x 9 | (4) 1M x 9 |
          |-------+-------------+------------+------------+------------|
          | 32MB  | (4) 4M x 9  | (4) 4M x 9 |    NONE    |    NONE    |
          |-------+-------------+------------+------------+------------|
          | 36MB  | (4) 1M x 9  | (4) 4M x 9 | (4) 4M x 9 |    NONE    |
          |-------+-------------+------------+------------+------------|
          | 36MB  | (4) 4M x 9  | (4) 4M x 9 | (4) 1M x 9 |    NONE    |
          |-------+-------------+------------+------------+------------|
          | 40MB  | (4) 1M x 9  | (4) 1M x 9 | (4) 4M x 9 | (4) 4M x 9 |
          |-------+-------------+------------+------------+------------|
          | 40MB  | (4) 1M x 9  | (4) 4M x 9 | (4) 4M x 9 | (4) 1M x 9 |
          |-------+-------------+------------+------------+------------|
          | 40MB  | (4) 4M x 9  | (4) 4M x 9 | (4) 1M x 9 | (4) 1M x 9 |
          |-------+-------------+------------+------------+------------|
          | 48MB  | (4) 4M x 9  | (4) 4M x 9 | (4) 4M x 9 |    NONE    |
          |-------+-------------+------------+------------+------------|
          | 52MB  | (4) 1M x 9  | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 |
          |-------+-------------+------------+------------+------------|
          | 52MB  | (4) 4M x 9  | (4) 4M x 9 | (4) 4M x 9 | (4) 1M x 9 |
          |-------+-------------+------------+------------+------------|
          | 64MB  | (4) 4M x 9  | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 |
          |-------+-------------+------------+------------+------------|
          | 64MB  | (4) 16M x 9 |    NONE    |    NONE    |    NONE    |
          |-------+-------------+------------+------------+------------|
          | 128MB | (4) 16M x 9 | (4) 16M x  |    NONE    |    NONE    |
          |       |             |     9      |            |            |
          |-------+-------------+------------+------------+------------|
          | 192MB | (4) 16M x 9 | (4) 16M x  | (4) 16M x  |    NONE    |
          |       |             |     9      |     9      |            |
          |-------+-------------+------------+------------+------------|
          | 256MB | (4) 16M x 9 | (4) 16M x  | (4) 16M x  | (4) 16M x  |
          |       |             |     9      |     9      |     9      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  |   Bank 0    |   Bank 1   | TAG (U19 & | Dirty Bit  |
          |       |             |            |    U24     |   (U25)    |
          |-------+-------------+------------+------------+------------|
          | 64KB  | (4) 8K x 8  | (4) 8K x 8 | (2) 16K x  | (1) 8K x 8 |
          |       |             |            |     1      |            |
          |-------+-------------+------------+------------+------------|
          | 128KB | (4) 32K x 8 |    NONE    | (2) 16K x  | (1) 8K x 8 |
          |       |             |            |     1      |            |
          |-------+-------------+------------+------------+------------|
          | 256KB | (4) 32K x 8 | (4) 32K x  | (2) 16K x  | (1) 32K x  |
          |       |             |     8      |     1      |     8      |
          |-------+-------------+------------+------------+------------|
          | 512KB | (4) 128K x  |    NONE    | (2) 64K x  | (1) 32K x  |
          |       |      8      |            |     1      |     8      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          | Size  |  JP3  |  JP8  |  JP9  | JP10  | JP11 | JP12 | JP13 |
          |-------+-------+-------+-------+-------+------+------+------|
          |  0KB  | Open  | Open  | Open  | Open  | Open | Open | Open |
          |-------+-------+-------+-------+-------+------+------+------|
          | 64KB  | 2 & 3 | Open  | Open  | Open  | Open | Open | Open |
          |-------+-------+-------+-------+-------+------+------+------|
          | 128KB | 2 & 3 | Open  | Open  |Closed |Closed| Open | Open |
          |-------+-------+-------+-------+-------+------+------+------|
          | 256KB | 2 & 3 | Open  |Closed |Closed |Closed|Closed| Open |
          |-------+-------+-------+-------+-------+------+------+------|
          | 512KB | 1 & 2 |Closed |Closed |Closed |Closed|Closed|Closed|
          |------------------------------------------------------------|
          |Note: Pins designated should be in the closed position.     |
          +------------------------------------------------------------+