DIAMOND FLOWER, INC.
====================

   486-25UCB/486-33UCB

   Processor             80486DX                                  
   Processor Speed       25/33MHz                                 
   Chip Set              UMC                                      
   Max. Onboard DRAM     48MB                                     
   Cache                 32/64/128/256KB                          
   BIOS                  AMI                                      
   Dimensions            330mm x 220mm                            
   I/O Options           32-bit external memory card              
   NPU Options           4167                                     

<gopher://bitreich.org/I/th99/m/C-D/30304-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose       | Location | Purpose              | Location |
   |---------------+----------+----------------------+----------|
   | Auxiliary     |    J1    | Speaker              |    J5    |
   | keyboard      |          |                      |          |
   |---------------+----------+----------------------+----------|
   | Reset switch  |  J2 and  | Power LED & keylock  |    J6    |
   |               |   J31    |                      |          |
   |---------------+----------+----------------------+----------|
   | Turbo LED     |    J3    | External battery     |   J33    |
   |---------------+----------+----------------------+----------|
   | Turbo switch  |  J4 and  | 32-bit external      |    S1    |
   |               |   J32    | memory card          |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | NPU enabled                      |  J12   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | NPU disabled                     |  J12   |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  J13   | pins 2 & 3 |
   |   | alter                            |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  J18   | pins 1 & 2 |
   |   | alter                            |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  J19   |   Closed   |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  J20   |   Closed   |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  J21   |   Closed   |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  J22   | pins 1 & 2 |
   |   | alter                            |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  J23   | pins 1 & 2 |
   |   | alter                            |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  J24   | pins 1 & 2 |
   |   | alter                            |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  J25   | pins 2 & 3 |
   |   | alter                            |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  J26   | pins 1 & 2 |
   |   | alter                            |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  J27   | pins 1 & 2 |
   |   | alter                            |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  J28   |   Closed   |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Battery type select internal     |  J29   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Battery type select external     |  J29   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select color        |  J30   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |  J30   |    Open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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      |            |            |
   |-------+-------------+------------+------------+------------|
   |  3MB  | (4) 256K x  | (4) 256K x | (4) 256K x |    NONE    |
   |       |      9      |     9      |     9      |            |
   |-------+-------------+------------+------------+------------|
   |  4MB  | (4) 256K x  | (4) 256K x | (4) 256K x | (4) 256K x |
   |       |      9      |     9      |     9      |     9      |
   |-------+-------------+------------+------------+------------|
   |  4MB  | (4) 1M x 9  |    NONE    |    NONE    |    NONE    |
   |-------+-------------+------------+------------+------------|
   |  5MB  | (4) 256K x  | (4) 1M x 9 |    NONE    |    NONE    |
   |       |      9      |            |            |            |
   |-------+-------------+------------+------------+------------|
   |  6MB  | (4) 256K x  | (4) 256K x | (4) 1M x 9 |    NONE    |
   |       |      9      |     9      |            |            |
   |-------+-------------+------------+------------+------------|
   |  8MB  | (4) 1M x 9  | (4) 1M x 9 |    NONE    |    NONE    |
   |-------+-------------+------------+------------+------------|
   |  9MB  | (4) 256K x  | (4) 1M x 9 | (4) 1M x 9 |    NONE    |
   |       |      9      |            |            |            |
   |-------+-------------+------------+------------+------------|
   | 10MB  | (4) 256K x  | (4) 256K x | (4) 1M x 9 | (4) 1M x 9 |
   |       |      9      |     9      |            |            |
   |-------+-------------+------------+------------+------------|
   | 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    |
   |-------+-------------+------------+------------+------------|
   | 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    |
   |-------+-------------+------------+------------+------------|
   | 40MB  | (4) 1M x 9  | (4) 1M x 9 | (4) 4M x 9 | (4) 4M x 9 |
   |-------+-------------+------------+------------+------------|
   | 48MB  | (4) 4M x 9  | (4) 4M x 9 | (4) 4M x 9 |    NONE    |
   |-------+-------------+------------+------------+------------|
   | 64MB  | (4) 4M x 9  | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 |
   |------------------------------------------------------------|
   | Note:Bank 3 is used when a 32-bit external memory card is  |
   | installed at S1.                                           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |    Bank 1     |      TAG      |
   |------------+---------------+---------------+---------------|
   |    32KB    |  (4) 8K x 8   |     NONE      |  (4) 16K x 4  |
   |------------+---------------+---------------+---------------|
   |    64KB    |  (4) 8K x 8   |  (4) 8K x 8   |  (4) 16K x 4  |
   |------------+---------------+---------------+---------------|
   |   128KB    |  (4) 32K x 8  |     NONE      |  (4) 16K x 4  |
   |------------+---------------+---------------+---------------|
   |   256KB    |  (4) 32K x 8  |  (4) 32K x 8  |  (4) 16K x 4  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |   Size   |    J8    |    J9    |   J10   |  J11   |  J12   |
   |----------+----------+----------+---------+--------+--------|
   |   32KB   |  1 & 2   |  1 & 2   |  1 & 2  |  Open  | 2 & 3  |
   |----------+----------+----------+---------+--------+--------|
   |   64KB   |  2 & 3   |  1 & 2   |  1 & 2  |  Open  | 1 & 2  |
   |----------+----------+----------+---------+--------+--------|
   |  128KB   |  2 & 3   |  2 & 3   |  1 & 2  | 1 & 2  | 2 & 3  |
   |----------+----------+----------+---------+--------+--------|
   |  256KB   |  2 & 3   |  2 & 3   |  2 & 3  | 2 & 3  | 1 & 2  |
   |------------------------------------------------------------|
   | Note: Pins designated should be in the closed position.    |
   +------------------------------------------------------------+