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

   TURBO XT

   Processor         8088                                         
   Processor Speed   8/10MHz                                      
   Chip Set          None                                         
   Max. Onboard DRAM 640MB                                        
   Cache             None                                         
   BIOS              ERSO/DTK                                     
   Dimensions        330mm x 218mm                                
   I/O Options       None                                         
   NPU Options       8087                                         

<gopher://bitreich.org/I/th99/m/U-Z/31728-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose      | Location | Purpose               | Location |
   |--------------+----------+-----------------------+----------|
   | Speaker      |    P4    | Turbo switch          |   JP7    |
   |--------------+----------+-----------------------+----------|
   | Turbo switch |   JP5    | Keylock               |   JP8    |
   |--------------+----------+-----------------------+----------|
   | Turbo switch |   JP6    | Power LED & Turbo LED |   JP9    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |            Function             | Jumper/Switch | Position |
   |---------------------------------+---------------+----------|
   |>> | Factory configured - do not |      JP1      |   N/A    |
   |   | alter                       |               |          |
   |---+-----------------------------+---------------+----------|
   |>> | Factory configured - do not | SW1/switch 1  |   Off    |
   |   | alter                       |               |          |
   |---+-----------------------------+---------------+----------|
   |>> | NPU enabled                 | SW1/switch 2  |   Off    |
   |---+-----------------------------+---------------+----------|
   |   | NPU disabled                | SW1/switch 2  |    On    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |Size |Bank 0 |Bank 1|Bank |Bank | JP3  | JP3A | JP4  | JP4A |
   |     |       |      |  2  |  3  |      |      |      |      |
   |-----+-------+------+-----+-----+------+------+------+------|
   |256KB|  (8)  | (8)  | (8) | (8) | Open |Closed| Open |Closed|
   |     | 4164  | 4164 |4164 |4164 |      |      |      |      |
   |-----+-------+------+-----+-----+------+------+------+------|
   |256KB|  (8)  | NONE |NONE |NONE |Closed| Open |Closed| Open |
   |     | 41256 |      |     |     |      |      |      |      |
   |-----+-------+------+-----+-----+------+------+------+------|
   |512KB|  (8)  | (8)  |NONE |NONE |Closed| Open |Closed| Open |
   |     | 41256 |41256 |     |     |      |      |      |      |
   |-----+-------+------+-----+-----+------+------+------+------|
   |640KB|  (8)  | (8)  | (8) | (8) |Closed| Open |Closed| Open |
   |     | 41256 |41256 |4164 |4164 |      |      |      |      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM JUMPER CONFIGURATION                  |
   |------------------------------------------------------------|
   |       Size       |    SW1/switch 3    |    SW1/switch 4    |
   |------------------+--------------------+--------------------|
   |      128KB       |        Off         |         On         |
   |------------------+--------------------+--------------------|
   |      192KB       |         On         |        Off         |
   |------------------+--------------------+--------------------|
   |      256KB       |        Off         |        Off         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   MONITOR TYPE SELECTION                   |
   |------------------------------------------------------------|
   |        Type        |   SW1/switch 5    |   SW1/switch 6    |
   |--------------------+-------------------+-------------------|
   |        None        |        On         |        On         |
   |--------------------+-------------------+-------------------|
   |     Monochrome     |        Off        |        Off        |
   |--------------------+-------------------+-------------------|
   |   Color 40 x 25    |        Off        |        On         |
   |--------------------+-------------------+-------------------|
   |   Color 80 x 25    |        On         |        Off        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 FLOPPY DRIVE CONFIGURATION                 |
   |------------------------------------------------------------|
   |  Number of drives  |   SW1/switch 7    |   SW1/switch 8    |
   |--------------------+-------------------+-------------------|
   |         1          |        On         |        On         |
   |--------------------+-------------------+-------------------|
   |         2          |        Off        |        On         |
   |--------------------+-------------------+-------------------|
   |         3          |        On         |        Off        |
   |--------------------+-------------------+-------------------|
   |         4          |        Off        |        Off        |
   +------------------------------------------------------------+