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

   IB3486-UCB

   Processor        80386DX/80486SX/80487SX/80486DX (Depending on 
                    CPU card)                                     
   Processor Speed  20/25/33/40MHz                                
   Chip Set         UMC                                           
   Max. Onboard     48MB                                          
   DRAM             
   Cache            32/64/128/256KB                               
   BIOS             AMI                                           
   Dimensions       330mm x 220mm                                 
   I/O OPTIONS      32-bit external memory card slot, CPU card    
                    slot                                          
   NPU Options      80387DX/3167/4167 (Depending on CPU card)     

<gopher://bitreich.org/I/th99/m/C-D/31653-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose       | Location | Purpose              | Location |
   |---------------+----------+----------------------+----------|
   | Auxiliary     |    J1    | Turbo switch         |  J6 and  |
   | keyboard      |          |                      |   J27    |
   |---------------+----------+----------------------+----------|
   | Reset switch  |  J2 and  | External battery     |   J26    |
   |               |   J23    |                      |          |
   |---------------+----------+----------------------+----------|
   | Turbo LED     |    J3    | 32-bit external      |    S1    |
   |               |          | memory card          |          |
   |---------------+----------+----------------------+----------|
   | Speaker       |    J4    | CPU card             |    S2    |
   |---------------+----------+----------------------+----------|
   | Power LED &   |    J5    |                      |          |
   | Keylock       |          |                      |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Jumper |   Position   |
   |------------------------------------+--------+--------------|
   |>> | Monitor type select color      |  J22   |    closed    |
   |---+--------------------------------+--------+--------------|
   |   | Monitor type select monochrome |  J22   |     open     |
   |---+--------------------------------+--------+--------------|
   |>> | Battery select external        |  J24   |  pins 1 & 2  |
   |   |                                |        |    closed    |
   |---+--------------------------------+--------+--------------|
   |   | Battery select internal        |  J24   |  pins 2 & 3  |
   |   |                                |        |    closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |    Bank 1     |    Bank 2     |
   |------------+---------------+---------------+---------------|
   |    1MB     | (4) 256K x 9  |     NONE      |     NONE      |
   |------------+---------------+---------------+---------------|
   |    2MB     | (4) 256K x 9  | (4) 256K x 9  |     NONE      |
   |------------+---------------+---------------+---------------|
   |    3MB     | (4) 256K x 9  | (4) 256K x 9  | (4) 256K x 9  |
   |------------+---------------+---------------+---------------|
   |    4MB     |  (4) 1M x 9   |     NONE      |     NONE      |
   |------------+---------------+---------------+---------------|
   |    5MB     | (4) 256K x 9  |  (4) 1M x 9   |     NONE      |
   |------------+---------------+---------------+---------------|
   |    6MB     | (4) 256K x 9  | (4) 256K x 9  |  (4) 1M x 9   |
   |------------+---------------+---------------+---------------|
   |    8MB     |  (4) 1M x 9   |  (4) 1M x 9   |     NONE      |
   |------------+---------------+---------------+---------------|
   |    9MB     | (4) 256K x 9  |  (4) 1M x 9   |  (4) 1M x 9   |
   |------------+---------------+---------------+---------------|
   |    12MB    |  (4) 1M x 9   |  (4) 1M x 9   |  (4) 1M x 9   |
   |------------+---------------+---------------+---------------|
   |    16MB    |  (4) 4M x 9   |     NONE      |     NONE      |
   |------------+---------------+---------------+---------------|
   |    20MB    |  (4) 1M x 9   |  (4) 4M x 9   |     NONE      |
   |------------+---------------+---------------+---------------|
   |    24MB    |  (4) 1M x 9   |  (4) 1M x 9   |  (4) 4M x 9   |
   |------------+---------------+---------------+---------------|
   |    32MB    |  (4) 4M x 9   |  (4) 4M x 9   |     NONE      |
   |------------+---------------+---------------+---------------|
   |    36MB    |  (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   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    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  | pins 1 & | pins 1 & | pins 1 & |  open   | pins 2  |
   |       | 2 closed | 2 closed | 2 closed |         |   & 3   |
   |       |          |          |          |         | closed  |
   |-------+----------+----------+----------+---------+---------|
   | 64KB  | pins 2 & | pins 1 & | pins 1 & |  open   | pins 1  |
   |       | 3 closed | 2 closed | 2 closed |         |   & 2   |
   |       |          |          |          |         | closed  |
   |-------+----------+----------+----------+---------+---------|
   | 128KB | pins 2 & | pins 2 & | pins 1 & | pins 1  | pins 2  |
   |       | 3 closed | 3 closed | 2 closed |   & 2   |   & 3   |
   |       |          |          |          | closed  | closed  |
   |-------+----------+----------+----------+---------+---------|
   | 256KB | pins 2 & | pins 2 & | pins 2 & | pins 2  | pins 1  |
   |       | 3 closed | 3 closed | 3 closed |   & 3   |   & 2   |
   |       |          |          |          | closed  | closed  |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/m/C-D/31653-2.png>
   

   +------------------------------------------------------------+
   |           NPU CONFIGURATION (DB-386 CPU MODULE)            |
   |------------------------------------------------------------|
   |     NPU      |        JP1        |    JP2     |    JP3     |
   |--------------+-------------------+------------+------------|
   |   Enabled    | pins 1 & 2 closed |   Closed   |   Closed   |
   |--------------+-------------------+------------+------------|
   |   Disabled   | pins 2 & 3 closed |    Open    |    Open    |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/m/C-D/31653-3.png>
   

   +------------------------------------------------------------+
   |      CPU TYPE CONFIGURATION (DB-486SX/DX CPU MODULE)       |
   |------------------------------------------------------------|
   |    CPU    |        JP1        |   JP2    |   JP3   |  JP4  |
   |-----------+-------------------+----------+---------+-------|
   |  80486SX  | pins 1 & 2 closed |   Open   |  Open   | Open  |
   |-----------+-------------------+----------+---------+-------|
   |  80486DX  | pins 2 & 3 closed |  Closed  | Closed  | Open  |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/m/C-D/31653-4.png>
   

   +------------------------------------------------------------+
   |      CPU TYPE CONFIGURATION (DB-486SX/DX CPU MODULE)       |
   |------------------------------------------------------------|
   |    CPU    |        JP1        |   JP2    |   JP3   |  JP4  |
   |-----------+-------------------+----------+---------+-------|
   |  80486SX  | pins 1 & 2 closed |   Open   |  Open   | Open  |
   |-----------+-------------------+----------+---------+-------|
   |  80486DX  | pins 2 & 3 closed |  Closed  | Closed  | Open  |
   +------------------------------------------------------------+