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

   C1-XT TURBO MODEL 615

   Processor         8088                                         
   Processor Speed   4/10MHz                                      
   Chip Set          VLSI                                         
   Max. Onboard DRAM 1MB                                          
   Cache             None                                         
   BIOS              Unidentified                                 
   Dimensions        220mm x 220mm                                
   I/O Options       None                                         
   NPU Options       8087                                         

<gopher://bitreich.org/I/th99/m/U-Z/32720-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose             | Location | Purpose        | Location |
   |---------------------+----------+----------------+----------|
   | Speaker             |   JP1    | Reset switch   |   JP3    |
   |---------------------+----------+----------------+----------|
   | Power LED & keylock |   JP2    |                |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                | Switch | Position |
   |----------------------------------------+--------+----------|
   |>> | Parity disabled                    |  SW/1  |    On    |
   |---+------------------------------------+--------+----------|
   |   | Paity enabled                      |  SW/1  |   Off    |
   |---+------------------------------------+--------+----------|
   |>> | NPU disabled                       |  SW/2  |    On    |
   |---+------------------------------------+--------+----------|
   |   | NPU enabled                        |  SW/2  |   Off    |
   |---+------------------------------------+--------+----------|
   |>> | Turbo enabled                      | SW1/1  |    On    |
   |---+------------------------------------+--------+----------|
   |   | Turbo disabled                     | SW1/1  |   Off    |
   |---+------------------------------------+--------+----------|
   |>> | RAM wait state select 1 wait state | SW1/2  |    On    |
   |---+------------------------------------+--------+----------|
   |   | RAM wait state select 0 wait       | SW1/2  |   Off    |
   |   | states                             |        |          |
   |---+------------------------------------+--------+----------|
   |>> | ROM wait state select 1 wait state | SW1/3  |    On    |
   |---+------------------------------------+--------+----------|
   |   | ROM wait state select 0 wait       | SW1/3  |   Off    |
   |   | states                             |        |          |
   |---+------------------------------------+--------+----------|
   |>> | Memory size select 640KB           | SW1/4  |    On    |
   |---+------------------------------------+--------+----------|
   |   | Memory size select 1MB             | SW1/4  |   Off    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  | Bank 0  | Bank 1  |  Bank 2  |  Bank 3  |  Bank 4  |
   |-------+---------+---------+----------+----------+----------|
   | 512KB |   (8)   |  NONE   |   (4)    |   NONE   |   NONE   |
   |       |  4164   |         |  44256   |          |          |
   |-------+---------+---------+----------+----------+----------|
   | 640KB |   (8)   |   (8)   |   (4)    |   NONE   |   NONE   |
   |       |  4164   |  4164   |  44256   |          |          |
   |-------+---------+---------+----------+----------+----------|
   | 768KB |   (8)   |   (8)   |   (4)    |   (2)    |   NONE   |
   |       |  4164   |  4164   |  44256   |  44256   |          |
   |-------+---------+---------+----------+----------+----------|
   |  1MB  |   (8)   |   (8)   |   (4)    |   (2)    |   (2)    |
   |       |  4164   |  4164   |  44256   |  44256   |  44256   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM PARITY CONFIGURATION                  |
   |------------------------------------------------------------|
   | Size  | Parity 0 | Parity 1 | Parity 2 | Parity  | Parity  |
   |       |          |          |          |    3    |    4    |
   |-------+----------+----------+----------+---------+---------|
   | 512KB | (1) 4164 |   NONE   |   (2)    |  NONE   |  NONE   |
   |       |          |          |  41256   |         |         |
   |-------+----------+----------+----------+---------+---------|
   | 640KB | (1) 4164 | (1) 4164 |   (2)    |  NONE   |  NONE   |
   |       |          |          |  41256   |         |         |
   |-------+----------+----------+----------+---------+---------|
   | 768KB | (1) 4164 | (1) 4164 |   (2)    |   (1)   |  NONE   |
   |       |          |          |  41256   |  41256  |         |
   |-------+----------+----------+----------+---------+---------|
   |  1MB  | (1) 4164 | (1) 4164 |   (2)    |   (1)   |   (1)   |
   |       |          |          |  41256   |  41256  |  41256  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM SWITCH CONFIGURATION                  |
   |------------------------------------------------------------|
   |        Size        |       SW/3        |       SW/4        |
   |--------------------+-------------------+-------------------|
   |       512KB        |        Off        |        On         |
   |--------------------+-------------------+-------------------|
   |       640KB        |        On         |        Off        |
   |--------------------+-------------------+-------------------|
   |       768KB        |        Off        |        Off        |
   |--------------------+-------------------+-------------------|
   |        1MB         |        Off        |        Off        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    VIDEO CONFIGURATION                     |
   |------------------------------------------------------------|
   |        Size        |       SW/5        |       SW/6        |
   |--------------------+-------------------+-------------------|
   |     Monochrome     |        Off        |        Off        |
   |--------------------+-------------------+-------------------|
   |        CGA         |        On         |        Off        |
   |--------------------+-------------------+-------------------|
   |        EGA         |        On         |        On         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 FLOPPY DRIVE CONFIGURATION                 |
   |------------------------------------------------------------|
   |  Drives installed  |       SW/7        |       SW/8        |
   |--------------------+-------------------+-------------------|
   |         1          |        On         |        On         |
   |--------------------+-------------------+-------------------|
   |         2          |        Off        |        On         |
   +------------------------------------------------------------+