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

   386SX-16/20/25DN

   Processor         80386SX                                      
   Processor Speed   16/20/25MHz                                  
   Chip Set          Diamond Flower                               
   Max. Onboard DRAM 16MB                                         
   Cache             None                                         
   BIOS              AMI                                          
   Dimensions        241mm x 220mm                                
   I/O Options       None                                         
   NPU Options       80387SX                                      

<gopher://bitreich.org/I/th99/m/C-D/31666-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Keyboard          |    J1    | Speaker          |    J5    |
   | connector         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Reset switch      |    J2    | Power LED &      |    J6    |
   |                   |          | keylock          |          |
   |-------------------+----------+------------------+----------|
   | Turbo switch      |    J3    | External battery |    J9    |
   |-------------------+----------+------------------+----------|
   | Turbo LED         |    J4    |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Monitor type select color        |   J7   |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |   J7   |    open    |
   |---+----------------------------------+--------+------------|
   |>> | CMOS memory normal operation     |   J8   | pins 1 & 2 |
   |   | (Internal Battery)               |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CMOS memory normal operation     |   J8   | pins 2 & 3 |
   |   | (External Battery)               |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CMOS memory clear                |   J8   |    Open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  |   Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
   |-------+-------------+------------+------------+------------|
   | 512KB | (2) 256K x  |    NONE    |    NONE    |    NONE    |
   |       |      9      |            |            |            |
   |-------+-------------+------------+------------+------------|
   |  1MB  | (2) 256K x  | (2) 256K x |    NONE    |    NONE    |
   |       |      9      |     9      |            |            |
   |-------+-------------+------------+------------+------------|
   |  2MB  | (2) 256K x  | (2) 256K x | (2) 256K x | (2) 256K x |
   |       |      9      |     9      |     9      |     9      |
   |-------+-------------+------------+------------+------------|
   |  2MB  | (2) 1M x 9  |    NONE    |    NONE    |    NONE    |
   |-------+-------------+------------+------------+------------|
   | 2.5MB | (2) 256K x  | (2) 1M x 9 |    NONE    |    NONE    |
   |       |      9      |            |            |            |
   |-------+-------------+------------+------------+------------|
   |  3MB  | (2) 256K x  | (2) 256K x | (2) 1M x 9 |    NONE    |
   |       |      9      |     9      |            |            |
   |-------+-------------+------------+------------+------------|
   |  4MB  | (2) 1M x 9  | (2) 1M x 9 |    NONE    |    NONE    |
   |-------+-------------+------------+------------+------------|
   | 4.5MB | (2) 1M x 9  | (2) 1M x 9 | (2) 256K x |    NONE    |
   |       |             |            |     9      |            |
   |-------+-------------+------------+------------+------------|
   |  5MB  | (2) 256K x  | (2) 256K x | (2) 1M x 9 | (2) 1M x 9 |
   |       |      9      |     9      |            |            |
   |-------+-------------+------------+------------+------------|
   |  6MB  | (2) 1M x 9  | (2) 1M x 9 | (2) 1M x 9 |    NONE    |
   |-------+-------------+------------+------------+------------|
   |  8MB  | (2) 1M x 9  | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
   |-------+-------------+------------+------------+------------|
   |  8MB  | (2) 4M x 9  |    NONE    |    NONE    |    NONE    |
   |-------+-------------+------------+------------+------------|
   | 10MB  | (2) 1M x 9  | (2) 4M x 9 |    NONE    |    NONE    |
   |-------+-------------+------------+------------+------------|
   | 16MB  | (2) 4M x 9  | (2) 4M x 9 |    NONE    |    NONE    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 REFRESH TYPE CONFIGURATION                 |
   |------------------------------------------------------------|
   |              Type               |     J9      |    J10     |
   |---------------------------------+-------------+------------|
   |>> |    Burst refresh (90 us)    |   Closed    |    Open    |
   |---+-----------------------------+-------------+------------|
   |   |    Fast refresh (30 us)     |    Open     |   Closed   |
   |---+-----------------------------+-------------+------------|
   |   |  Standard refresh (15 us)   |    Open     |    Open    |
   |---+-----------------------------+-------------+------------|
   |   | Fast burst refresh (180 us) |   Closed    |   Closed   |
   +------------------------------------------------------------+