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

   TOP-286

   Processor             80286                                    
   Processor Speed       12/16/20MHz                              
   Chip Set              C & T NEAT                               
   Max. Onboard DRAM     8MB                                      
   Cache                 None                                     
   BIOS                  AMI                                      
   Dimensions            330mm x 220mm                            
   I/O Options           None                                     
   NPU Options           80287                                    

<gopher://bitreich.org/I/th99/m/C-D/30615-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose             | Location  | Purpose      | Location  |
   |---------------------+-----------+--------------+-----------|
   | External battery    |    J2     | Turbo switch | J8 or J13 |
   |---------------------+-----------+--------------+-----------|
   | Reset switch        | J6 or J12 | Speaker      |    J9     |
   |---------------------+-----------+--------------+-----------|
   | Power LED & keylock |    J7     | Turbo LED    |    J10    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Jumper |   Position   |
   |------------------------------------+--------+--------------|
   |>> | Battery type select internal   |   J1   |  pins 2 & 3  |
   |   |                                |        |    closed    |
   |---+--------------------------------+--------+--------------|
   |   | Battery type select external   |   J1   |  pins 1 & 2  |
   |   |                                |        |    closed    |
   |---+--------------------------------+--------+--------------|
   |>> | Monitor type select color      |   J3   |  pins 1 & 2  |
   |   |                                |        |    closed    |
   |---+--------------------------------+--------+--------------|
   |   | Monitor type select monochrome |   J3   |  pins 2 & 3  |
   |   |                                |        |    closed    |
   |---+--------------------------------+--------+--------------|
   |>> | CPU speed select 16MHz         |   J4   |  pins 1 & 2  |
   |   |                                |        |    closed    |
   |---+--------------------------------+--------+--------------|
   |   | CPU speed select 12MHz         |   J4   |  pins 2 & 3  |
   |   |                                |        |    closed    |
   |---+--------------------------------+--------+--------------|
   |>> | I/O bus speed select 8MHz      |   J5   |  pins 1 & 2  |
   |   |                                |        |    closed    |
   |---+--------------------------------+--------+--------------|
   |   | I/O bus speed select 10MHz     |   J5   |  pins 2 & 3  |
   |   |                                |        |    closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |  Size  |   Bank 0   |   Bank 1   |   Bank 2   |   Bank 3   |
   |--------+------------+------------+------------+------------|
   | 512KB  | (18) 41256 |    NONE    |    NONE    |    NONE    |
   |--------+------------+------------+------------+------------|
   | 640KB  | (18) 4164  | (18) 41256 |    NONE    |    NONE    |
   |--------+------------+------------+------------+------------|
   |  1MB   | (18) 41256 | (18) 41256 |    NONE    |    NONE    |
   |--------+------------+------------+------------+------------|
   | 1.5MB  | (18) 41256 | (18) 41256 | (2) 256K x |    NONE    |
   |        |            |            |     9      |            |
   |--------+------------+------------+------------+------------|
   | 1.64MB | (18) 4164  | (18) 41256 | (2) 256K x | (2) 256K x |
   |        |            |            |     9      |     9      |
   |--------+------------+------------+------------+------------|
   |  2MB   | (18) 41256 | (18) 41256 | (2) 256K x | (2) 256K x |
   |        |            |            |     9      |     9      |
   |--------+------------+------------+------------+------------|
   |  2MB   |    (18)    |    NONE    |    NONE    |    NONE    |
   |        |   411000   |            |            |            |
   |--------+------------+------------+------------+------------|
   |  3MB   | (18) 41256 | (18) 41256 | (2) 1M x 9 |    NONE    |
   |--------+------------+------------+------------+------------|
   |  4MB   |    (18)    |    (18)    |    NONE    |    NONE    |
   |        |   411000   |   411000   |            |            |
   |--------+------------+------------+------------+------------|
   | 4.64MB | (18) 4164  | (18) 41256 | (2) 1M x 9 | (2) 1M x 9 |
   |--------+------------+------------+------------+------------|
   |  5MB   | (18) 41256 | (18) 41256 | (2) 1M x 9 | (2) 1M x 9 |
   |--------+------------+------------+------------+------------|
   |  6MB   |    (18)    |    (18)    | (2) 1M x 9 |    NONE    |
   |        |   411000   |   411000   |            |            |
   |--------+------------+------------+------------+------------|
   |  8MB   |    (18)    |    (18)    | (2) 1M x 9 | (2) 1M x 9 |
   |        |   411000   |   411000   |            |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM JUMPER CONFIGURATION                  |
   |------------------------------------------------------------|
   |             Type              |            J11             |
   |-------------------------------+----------------------------|
   |        DIP memory only        |     pins 1 & 2 closed      |
   |-------------------------------+----------------------------|
   |      DIP and SIPP memory      |     pins 2 & 3 closed      |
   +------------------------------------------------------------+