(TXT) View Source
       
       # QDI COMPUTER, INC.
       
          P486
       
          Processor             80486SX/80487SX/80486DX                  
          Processor Speed       33MHz                                    
          Chip Set              OPTI                                     
          Max. Onboard DRAM     64MB                                     
          Cache                 64/256KB                                 
          BIOS                  AMI                                      
          Dimensions            330mm x 220mm                            
          I/O Options           None                                     
          NPU Options           4167                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose             | Location | Purpose        | Location |
          |---------------------+----------+----------------+----------|
          | External battery    |   J11    | Turbo LED      |   JP11   |
          |---------------------+----------+----------------+----------|
          | Power LED & keylock |   J20    | Reset switch   |   SW1    |
          |---------------------+----------+----------------+----------|
          | Speaker             |   J21    | Turbo switch   |   SW2    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | CMOS memory normal operation     |  JP1   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | CMOS memory clear                |  JP1   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select monochrome   |  JP2   |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select color        |  JP2   |    Open    |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP6   |    Open    |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Oscillator type select double    |  JP7   | pins 2 & 3 |
          |   | frequency                        |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Oscillator type select single    |  JP7   | pins 1 & 2 |
          |   | frequency                        |        |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
          |------+-------------+-------------+------------+------------|
          | 1MB  | (4) 256K x  |    NONE     |    NONE    |    NONE    |
          |      |      9      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 2MB  | (4) 256K x  | (4) 256K x  |    NONE    |    NONE    |
          |      |      9      |      9      |            |            |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (4) 1M x 9  |    NONE     |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 5MB  | (4) 256K x  | (4) 1M x 9  |    NONE    |    NONE    |
          |      |      9      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (4) 1M x 9  | (4) 1M x 9  |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 12MB | (4) 1M x 9  | (4) 1M x 9  |  (1) 1M x  |    NONE    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 16MB | (4) 1M x 9  | (4) 1M x 9  |  (1) 1M x  |  (1) 1M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 16MB | (4) 4M x 9  |    NONE     |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 20MB | (4) 4M x 9  | (4) 1M x 9  |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 24MB | (4) 1M x 9  | (4) 1M x 9  |  (1) 4M x  |    NONE    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 24MB | (4) 1M x 9  | (4) 4M x 9  |  (1) 1M x  |    NONE    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 28MB | (4) 1M x 9  | (4) 1M x 9  |  (1) 1M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 32MB | (4) 4M x 9  | (4) 4M x 9  |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 36MB | (4) 1M x 9  | (4) 4M x 9  |  (1) 4M x  |    NONE    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 36MB | (4) 4M x 9  | (4) 1M x 9  |  (1) 4M x  |    NONE    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 36MB | (4) 4M x 9  | (4) 4M x 9  |  (1) 1M x  |    NONE    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 40MB | (4) 1M x 9  | (4) 1M x 9  |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 40MB | (4) 4M x 9  | (4) 1M x 9  |  (1) 4M x  |  (1) 1M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 40MB | (4) 1M x 9  | (4) 4M x 9  |  (1) 4M x  |  (1) 1M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 40MB | (4) 4M x 9  | (4) 4M x 9  |  (1) 1M x  |  (1) 1M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 52MB | (4) 1M x 9  | (4) 4M x 9  |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 52MB | (4) 4M x 9  | (4) 1M x 9  |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 52MB | (4) 4M x 9  | (4) 4M x 9  |  (1) 4M x  |  (1) 1M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 64MB | (4) 4M x 9  | (4) 4M x 9  |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  |   Bank 0    |        TAG        |    Dirty Bit     |
          |-------+-------------+-------------------+------------------|
          | 64KB  | (8) 8K x 8  | (1) 8K x 8 at U34 |  (1) 64K x 1 at  |
          |       |             |                   |       U45        |
          |-------+-------------+-------------------+------------------|
          | 256KB | (8) 32K x 8 |  (1) 32K x 8 at   |  (1) 64K x 1 at  |
          |       |             |        U34        |       U45        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |   Size    |   JP8    |    JP9     |    JP10    |   JP12    |
          |-----------+----------+------------+------------+-----------|
          |   64KB    |   Open   |    Open    |    Open    |   Open    |
          |-----------+----------+------------+------------+-----------|
          |   256KB   |   Open   |   Closed   |   Closed   |  Closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |   Type   |        JP3        |   jp4   |        JP5        |
          |----------+-------------------+---------+-------------------|
          | 80486SX  |       Open        |  Open   | pins 2 & 3 closed |
          |----------+-------------------+---------+-------------------|
          | 80487SX  | pins 1 & 2 closed | Closed  | pins 1 & 2 closed |
          |----------+-------------------+---------+-------------------|
          | 80486DX  | pins 2 & 3 closed | Closed  | pins 1 & 2 closed |
          +------------------------------------------------------------+