UNIDENTIFIED
============

   Z3DXL

   Processor         80386DX/CX486DLC                             
   Processor Speed   33/40MHz                                     
   Chip Set          Unidentified                                 
   Max. Onboard DRAM 32MB                                         
   Cache             32/128KB                                     
   BIOS              AMI                                          
   Dimensions        220mm x 170mm                                
   I/O Options       None                                         
   NPU Options       80387DX                                      

<gopher://bitreich.org/I/th99/m/U-Z/32584-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose             | Location | Purpose        | Location |
   |---------------------+----------+----------------+----------|
   | External battery    |    J2    | Turbo switch   |   JP5    |
   |---------------------+----------+----------------+----------|
   | Power LED & keylock |   J16    | Turbo LED      |   JP6    |
   |---------------------+----------+----------------+----------|
   | Speaker             |   JP4    | Reset switch   |    S1    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Jumper |   Position   |
   |------------------------------------+--------+--------------|
   |>> | CMOS memory normal operation   |  JP1   |  pins 2 & 3  |
   |   |                                |        |    closed    |
   |---+--------------------------------+--------+--------------|
   |   | CMOS memory clear              |  JP1   |  pins 1 & 2  |
   |   |                                |        |    closed    |
   |---+--------------------------------+--------+--------------|
   |>> | Monitor type select monochrome |  JP2   |     Open     |
   |---+--------------------------------+--------+--------------|
   |   | Monitor type select color      |  JP2   |    Closed    |
   |---+--------------------------------+--------+--------------|
   |>> | PQFP CPU enabled               |  JP3   |     Open     |
   |---+--------------------------------+--------+--------------|
   |   | PQFP CPU disabled              |  JP3   |    Closed    |
   |---+--------------------------------+--------+--------------|
   |>> | NPRST synchronization disabled |  JP10  |  pins 1 & 2  |
   |   |                                |        |    closed    |
   |---+--------------------------------+--------+--------------|
   |   | NPRST synchronization enabled  |  JP10  |  pins 2 & 3  |
   |   |                                |        |    closed    |
   |---+--------------------------------+--------+--------------|
   |>> | NPCLK buffer disabled          |  JP12  |  pins 1 & 2  |
   |   |                                |        |    closed    |
   |---+--------------------------------+--------+--------------|
   |   | NPCLK buffer enabled           |  JP12  |  pins 2 & 3  |
   |   |                                |        |    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       |        TAG         |
   |------------------+--------------------+--------------------|
   |       32KB       |     (4) 8K x 8     |     (1) 8K x 8     |
   |------------------+--------------------+--------------------|
   |      128KB       |    (4) 32K x 8     |     (1) 8K x 8     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   |     Size     |      JP7      |      JP8      |     JP9     |
   |--------------+---------------+---------------+-------------|
   |    33MHz     |     Open      |    Closed     |    Open     |
   |--------------+---------------+---------------+-------------|
   |    40MHz     |    Closed     |    Closed     |    Open     |
   +------------------------------------------------------------+