(TXT) View Source
       
       # DIAMOND FLOWER, INC.
       
          486SX-16/20/25UCE
       
          Processor             80486SX/80487SX                          
          Processor Speed       16/20/25MHz                              
          Chip Set              UMC                                      
          Max. Onboard DRAM     32MB                                     
          Cache                 64/128/256KB                             
          BIOS                  AMI                                      
          Dimensions            330mm x 220mm                            
          I/O OPTIONS           32-bit external memory card slot         
          NPU Options           None                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose       | Location | Purpose              | Location |
          |---------------+----------+----------------------+----------|
          | Keyboard      |    J1    | Turbo switch         |  J8 and  |
          | connector     |          |                      |   J17    |
          |---------------+----------+----------------------+----------|
          | Speaker       |    J2    | Power LED & Keylock  |    J9    |
          |---------------+----------+----------------------+----------|
          | Turbo LED     |    J3    | External battery     |   J18    |
          |---------------+----------+----------------------+----------|
          | Reset switch  |  J5 and  | 32-bit external      |    S1    |
          |               |   J14    | memory card          |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Factory configured - do not      |   J4   |    open    |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |   J6   | pins 2 & 3 |
          |   | alter                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | CPU speed select 16/25MHz        |   J7   |    open    |
          |---+----------------------------------+--------+------------|
          |   | CPU speed select 20MHz           |   J7   |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Battery select internal          |  J16   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Battery select external          |  J16   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  J19   |    open    |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select color        |  J20   |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |  J20   |    open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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        |
          |------------------+--------------------+--------------------|
          |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
          |------------------+--------------------+--------------------|
          |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     SRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size    |  Cache SRAM   |   Location    |      TAG      |
          |------------+---------------+---------------+---------------|
          |    64KB    |  (8) 8K x 8   |  Banks 0 & 1  |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |   128KB    |  (4) 32K x 8  |    Bank 0     |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |   256KB    |  (8) 32K x 8  |  Banks 0 & 1  |  (1) 32K x 8  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 SRAM JUMPER CONFIGURATION                  |
          |------------------------------------------------------------|
          | Jumper |      64KB       |     128KB      |     256KB      |
          |--------+-----------------+----------------+----------------|
          |   W1   |      open       |     closed     |     closed     |
          |--------+-----------------+----------------+----------------|
          |   W2   |      open       |     closed     |     closed     |
          |--------+-----------------+----------------+----------------|
          |   W3   |     closed      |     closed     |     closed     |
          |--------+-----------------+----------------+----------------|
          |   W4   |      open       |      open      |     closed     |
          |--------+-----------------+----------------+----------------|
          |   W5   |      open       |      open      |     closed     |
          |--------+-----------------+----------------+----------------|
          |  J10   |   pins 1 & 2    |   pins 2 & 3   |   pins 2 & 3   |
          |        |     closed      |     closed     |     closed     |
          |--------+-----------------+----------------+----------------|
          |  J11   |   pins 1 & 2    |   pins 2 & 3   |   pins 1 & 2   |
          |        |     closed      |     closed     |     closed     |
          |--------+-----------------+----------------+----------------|
          |  J12   |      open       |   pins 1 & 2   |   pins 2 & 3   |
          |        |                 |     closed     |     closed     |
          |--------+-----------------+----------------+----------------|
          |  J13   |   pins 1 & 2    |   pins 1 & 2   |   pins 2 & 3   |
          |        |     closed      |     closed     |     closed     |
          |--------+-----------------+----------------+----------------|
          |  J15   |     closed      |     closed     |     closed     |
          +------------------------------------------------------------+