ZENITH DATA SYSTEMS
===================

   Z-3300 SERIES

   Processor              80386                                   
   Processor Speed        12/16MHz                                
   Chip Set               Unidentified                            
   Video Chip Set         None                                    
   Maximum Onboard Memory 4MB (on external memory cards)          
   Maximum Video Memory   None                                    
   Cache                  None                                    
   BIOS                   Unidentified                            
   Dimensions             355mm x 304mm                           
   I/O Options            386 connectors (6)                      
   NPU Options            80287/80387                             

<gopher://bitreich.org/I/th99/m/U-Z/34220-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose     | Location | Purpose                | Location |
   |-------------+----------+------------------------+----------|
   | Chassis fan |   P127   | Power supply connector |   P128   |
   | power       |          |                        |          |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/m/U-Z/34220-2.png>
   

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               |  Label   | Position  |
   |-------------------------------------+----------+-----------|
   |   | EMS enabled                     | SW401/3  |    On     |
   |---+---------------------------------+----------+-----------|
   |   | EMS disabled                    | SW401/3  |    Off    |
   |---+---------------------------------+----------+-----------|
   |   | Base memory size select 512KB   | SW401/4  |    Off    |
   |---+---------------------------------+----------+-----------|
   |   | Base memory size select 640KB   | SW401/4  |    On     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |             Size              |           Bank 0           |
   |-------------------------------+----------------------------|
   |       1MB (Z-505 card)        |         (36) 41256         |
   |-------------------------------+----------------------------|
   |       4MB (Z-515 card)        |         (36) 41100         |
   |------------------------------------------------------------|
   | Note: The location of bank 0 is unidentified.              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   MEMORY CARD SELECTION                    |
   |------------------------------------------------------------|
   |                Setting                 | SW401/1 | SW401/2 |
   |----------------------------------------+---------+---------|
   |   Set switch on base memory card to:   |   On    |   On    |
   |----------------------------------------+---------+---------|
   | Set switch on first extra memory card  |   On    |   Off   |
   |                  to:                   |         |         |
   |----------------------------------------+---------+---------|
   | Set switch on second extra memory card |   Off   |   On    |
   |                  to:                   |         |         |
   |----------------------------------------+---------+---------|
   | Set switch on third extra memory card  |   Off   |   Off   |
   |                  to:                   |         |         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 MEMORY BOUNDARY SELECTION                  |
   |------------------------------------------------------------|
   | Boundary  |  SW401/5   |  SW401/6  |  SW401/7  |  SW401/8  |
   |-----------+------------+-----------+-----------+-----------|
   |     0     |     On     |    On     |    On     |    On     |
   |-----------+------------+-----------+-----------+-----------|
   |     1     |    Off     |    On     |    On     |    On     |
   |-----------+------------+-----------+-----------+-----------|
   |     2     |     On     |    Off    |    On     |    On     |
   |-----------+------------+-----------+-----------+-----------|
   |     3     |    Off     |    Off    |    On     |    On     |
   |-----------+------------+-----------+-----------+-----------|
   |     4     |     On     |    On     |    Off    |    On     |
   |-----------+------------+-----------+-----------+-----------|
   |     5     |    Off     |    On     |    Off    |    On     |
   |-----------+------------+-----------+-----------+-----------|
   |     6     |     On     |    Off    |    Off    |    On     |
   |-----------+------------+-----------+-----------+-----------|
   |     7     |    Off     |    Off    |    Off    |    On     |
   |-----------+------------+-----------+-----------+-----------|
   |     8     |     On     |    On     |    On     |    Off    |
   |-----------+------------+-----------+-----------+-----------|
   |     9     |    Off     |    On     |    On     |    Off    |
   |-----------+------------+-----------+-----------+-----------|
   |    10     |     On     |    Off    |    On     |    Off    |
   |-----------+------------+-----------+-----------+-----------|
   |    11     |    Off     |    Off    |    On     |    Off    |
   |-----------+------------+-----------+-----------+-----------|
   |    12     |     On     |    On     |    Off    |    Off    |
   |-----------+------------+-----------+-----------+-----------|
   |    13     |    Off     |    On     |    Off    |    Off    |
   |-----------+------------+-----------+-----------+-----------|
   |    14     |     On     |    Off    |    Off    |    Off    |
   |-----------+------------+-----------+-----------+-----------|
   |    15     |    Off     |    Off    |    Off    |    Off    |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/m/U-Z/34220-3.png>
   

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |            Function            | Label |     Position      |
   |--------------------------------+-------+-------------------|
   |>> | NPU asynchronous with CPU  | J201  | Pins 2 & 3 closed |
   |---+----------------------------+-------+-------------------|
   |   | NPU synchronous with CPU   | J201  | Pins 1 & 2 closed |
   |---+----------------------------+-------+-------------------|
   |>> | NPU type select 80287      | J202  | Pins 1 & 2 closed |
   |---+----------------------------+-------+-------------------|
   |   | NPU type select 80387      | J202  | Pins 2 & 3 closed |
   |---+----------------------------+-------+-------------------|
   |>> | NPU not installed          | J204  | Pins 1 & 2 closed |
   |---+----------------------------+-------+-------------------|
   |   | NPU installed              | J204  | Pins 2 & 3 closed |
   |---+----------------------------+-------+-------------------|
   |>> | 1MB memory card installed  | J207  | Pins 1 & 2 closed |
   |---+----------------------------+-------+-------------------|
   |   | No memory cards installed  | J207  | Pins 2 & 3 closed |
   |---+----------------------------+-------+-------------------|
   |>> | NPU speed select high      | J211  | Pins 2 & 3 closed |
   |---+----------------------------+-------+-------------------|
   |   | NPU speed select low       | J211  | Pins 1 & 2 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  MEMORY ADDRESS SELECTION                  |
   |------------------------------------------------------------|
   |     Address     | SW201/1  | SW201/2  | SW201/3  | SW201/4 |
   |-----------------+----------+----------+----------+---------|
   | 000000 - 0FFFFF |    On    |   Off    |   Off    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | 100000 - 1FFFFF |   Off    |    On    |   Off    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | 200000 - 2FFFFF |   Off    |   Off    |    On    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | 300000 - 3FFFFF |   Off    |   Off    |   Off    |   On    |
   |-----------------+----------+----------+----------+---------|
   | 400000 - 4FFFFF |   Off    |   Off    |   Off    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | 500000 - 5FFFFF |   Off    |   Off    |   Off    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | 600000 - 6FFFFF |   Off    |   Off    |   Off    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | 700000 - 7FFFFF |   Off    |   Off    |   Off    |   Off   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              MEMORY ADDRESS SELECTION (CON'T)              |
   |------------------------------------------------------------|
   |     Address     | SW201/5  | SW201/6  | SW201/7  | SW201/8 |
   |-----------------+----------+----------+----------+---------|
   | 000000 - 0FFFFF |   Off    |   Off    |   Off    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | 100000 - 1FFFFF |   Off    |   Off    |   Off    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | 200000 - 2FFFFF |   Off    |   Off    |   Off    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | 300000 - 3FFFFF |   Off    |   Off    |   Off    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | 400000 - 4FFFFF |    On    |   Off    |   Off    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | 500000 - 5FFFFF |   Off    |    On    |   Off    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | 600000 - 6FFFFF |   Off    |   Off    |    On    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | 700000 - 7FFFFF |   Off    |   Off    |   Off    |   On    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  MEMORY ADDRESS SELECTION                  |
   |------------------------------------------------------------|
   |     Address     | SW202/1  | SW202/2  | SW202/3  | SW202/4 |
   |-----------------+----------+----------+----------+---------|
   | 800000 - 8FFFFF |    On    |   Off    |   Off    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | 900000 - 9FFFFF |   Off    |    On    |   Off    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | A00000 - AFFFFF |   Off    |   Off    |    On    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | B00000 - BFFFFF |   Off    |   Off    |   Off    |   On    |
   |-----------------+----------+----------+----------+---------|
   | C00000 - CFFFFF |   Off    |   Off    |   Off    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | D00000 - DFFFFF |   Off    |   Off    |   Off    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | E00000 - EFFFFF |   Off    |   Off    |   Off    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | F00000 - FFFFFF |   Off    |   Off    |   Off    |   Off   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              MEMORY ADDRESS SELECTION (CON'T)              |
   |------------------------------------------------------------|
   |     Address     | SW202/5  | SW202/6  | SW202/7  | SW202/8 |
   |-----------------+----------+----------+----------+---------|
   | 800000 - 8FFFFF |   Off    |   Off    |   Off    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | 900000 - 9FFFFF |   Off    |   Off    |   Off    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | A00000 - AFFFFF |   Off    |   Off    |   Off    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | B00000 - BFFFFF |   Off    |   Off    |   Off    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | C00000 - CFFFFF |    On    |   Off    |   Off    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | D00000 - DFFFFF |   Off    |    On    |   Off    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | E00000 - EFFFFF |   Off    |   Off    |    On    |   Off   |
   |-----------------+----------+----------+----------+---------|
   | F00000 - FFFFFF |   Off    |   Off    |   Off    |   On    |
   +------------------------------------------------------------+