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

   3486-UCF, 3486-UCF/Q

   Processor    80386DX/80486SX/80487SX/80486DX/80486DX2/Pentium  
                Overdrive                                         
   Processor    20/25/33/40/50(internal)/50/66(internal)MHz       
   Speed        
   Chip Set     UMC                                               
   Max. Onboard 32MB                                              
   DRAM         
   Cache        64/128/256KB                                      
   BIOS         AMI                                               
   Dimensions   254mm x 218mm                                     
   I/O Options  None                                              
   NPU Options  80387DX/CX487DLC                                  

<gopher://bitreich.org/I/th99/m/C-D/32908-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Speaker           |    J1    | Turbo LED        |    J4    |
   |-------------------+----------+------------------+----------|
   | Reset switch      |    J2    | External battery |    J8    |
   |-------------------+----------+------------------+----------|
   | Power LED &       |    J3    |                  |          |
   | keylock           |          |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               | Jumper |  Position   |
   |-------------------------------------+--------+-------------|
   |>> | CMOS memory normal operation    |   J7   | pins 2 & 3  |
   |   |                                 |        |   closed    |
   |---+---------------------------------+--------+-------------|
   |   | CMOS memory clear               |   J7   | pins 1 & 2  |
   |   |                                 |        |   closed    |
   |---+---------------------------------+--------+-------------|
   |>> | 80486SX-20 not installed        |  JP4   |    Open     |
   |---+---------------------------------+--------+-------------|
   |   | 80486SX-20 installed            |  JP4   |   Closed    |
   |---+---------------------------------+--------+-------------|
   |>> | Monitor type select color       |  JP9   |   Closed    |
   |---+---------------------------------+--------+-------------|
   |   | Monitor type select monochrome  |  JP9   |    Open     |
   |---+---------------------------------+--------+-------------|
   |>> | 80486DX not installed           |  JP10  |    Open     |
   |---+---------------------------------+--------+-------------|
   |   | 80486DX installed               |  JP10  |   Closed    |
   |---+---------------------------------+--------+-------------|
   |>> | Pentium Overdrive not installed |  jp11  |    Open     |
   |---+---------------------------------+--------+-------------|
   |   | Pentium Overdrive installed     |  jp11  |   Closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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     |
   +------------------------------------------------------------+

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

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   | Size  |       W1        |   W2   |   W3   |       W4       |
   |-------+-----------------+--------+--------+----------------|
   | 64KB  |   pins 2 & 3    |  Open  |  Open  |   pins 1 & 2   |
   |       |     closed      |        |        |     closed     |
   |-------+-----------------+--------+--------+----------------|
   | 128KB |   pins 1 & 2    |  Open  | Closed |   pins 2 & 3   |
   |       |     closed      |        |        |     closed     |
   |-------+-----------------+--------+--------+----------------|
   | 256KB |   pins 2 & 3    | Closed | Closed |   pins 2 & 3   |
   |       |     closed      |        |        |     closed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |            Type             |             JP6              |
   |-----------------------------+------------------------------|
   |            80386            |             Open             |
   |-----------------------------+------------------------------|
   |            80486            |            Closed            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            CPU TYPE CONFIGURATION (80486 ONLY)             |
   |------------------------------------------------------------|
   |   Type    |        JP1        |        JP2        |  JP3   |
   |-----------+-------------------+-------------------+--------|
   |  80486SX  |       Open        | pins 2 & 3 closed |  Open  |
   |-----------+-------------------+-------------------+--------|
   |  80487SX  | pins 2 & 3 closed | pins 1 & 2 closed | Closed |
   |-----------+-------------------+-------------------+--------|
   |  80486DX  | pins 1 & 2 closed | pins 1 & 2 closed | Closed |
   |-----------+-------------------+-------------------+--------|
   | 80486DX2  | pins 1 & 2 closed | pins 1 & 2 closed | Closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 NPU CONFIGURATION (80387)                  |
   |------------------------------------------------------------|
   |      Setting       |        JP5        |        JP7        |
   |--------------------+-------------------+-------------------|
   |      Disabled      |       Open        |       Open        |
   |--------------------+-------------------+-------------------|
   |      Enabled       |      Closed       |      Closed       |
   +------------------------------------------------------------+