TWINHEAD INTERNATIONAL CORP.
============================

   CT-8190

   Category           Video                                       
   Video Types        EGA                                         
   Supported          
   Video Processor    Unidentified                                
   Highest Resolution 720 x 348                                   
   Supported          
   Data Bus Type      8-bit ISA                                   
   Memory Type        DRAM                                        
   Maximum Onboard    256KB (Memory configuration is unidentified 
   Memory             by manufacturer)                            

<gopher://bitreich.org/I/th99/v/S-T/51367-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |     Purpose     | Location |      Purpose       | Location |
   |-----------------+----------+--------------------+----------|
   | 15-pin analog   |   CN1    | Composite display  |    J1    |
   | video port      |          | - RCA jack         |          |
   |-----------------+----------+--------------------+----------|
   | 32-pin feature  |   CN2    | Composite display  |    J2    |
   | connector       |          | - RCA jack         |          |
   |-----------------+----------+--------------------+----------|
   | 6-pin light pen |   CN3    |                    |          |
   | connector       |          |                    |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |      PRIMARY DISPLAY ADAPTER CONFIGURATION (TABLE 1)       |
   |------------------------------------------------------------|
   |        Mode        |  SW1/1  |  SW1/2  |  SW1/3  |  SW1/4  |
   |--------------------+---------+---------+---------+---------|
   |     Monochrome     |   Off   |   Off   |   On    |   Off   |
   |--------------------+---------+---------+---------+---------|
   |  Color (40 x 25)   |   On    |   Off   |   Off   |   On    |
   |--------------------+---------+---------+---------+---------|
   |  Color (80 x 25)   |   Off   |   Off   |   Off   |   On    |
   |--------------------+---------+---------+---------+---------|
   |   Enhanced color   |   On    |   On    |   On    |   Off   |
   |   (Normal color    |         |         |         |         |
   |       mode)        |         |         |         |         |
   |--------------------+---------+---------+---------+---------|
   |   Enhanced color   |   Off   |   On    |   On    |   Off   |
   |  (Enhanced color   |         |         |         |         |
   |       mode)        |         |         |         |         |
   |------------------------------------------------------------|
   | Note: These settings apply when the CT-890 display adapter |
   | is only in your system.                                    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |   PRIMARY &AMP; SECONDARY DISPLAY ADAPTER CONFIGURATION    |
   |                         (TABLE 2)                          |
   |------------------------------------------------------------|
   |   Primary    |  Secondary  | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
   |--------------+-------------+-------+-------+-------+-------|
   | Color (40 x  | Monochrome  |  On   |  Off  |  Off  |  On   |
   |     25)      |   or NONE   |       |       |       |       |
   |--------------+-------------+-------+-------+-------+-------|
   | Color (80 x  | Monochrome  |  Off  |  Off  |  Off  |  On   |
   |     25)      |   or NONE   |       |       |       |       |
   |--------------+-------------+-------+-------+-------+-------|
   |   Enhanced   | Monochrome  |  On   |  On   |  On   |  Off  |
   |    color     |   or NONE   |       |       |       |       |
   |   (Normal    |             |       |       |       |       |
   | color mode)  |             |       |       |       |       |
   |--------------+-------------+-------+-------+-------+-------|
   |   Enhanced   | Monochrome  |  Off  |  On   |  On   |  Off  |
   |    color     |   or NONE   |       |       |       |       |
   |  (Enhanced   |             |       |       |       |       |
   | color mode)  |             |       |       |       |       |
   |------------------------------------------------------------|
   |   Note: These settings apply when the CT-8190 & the        |
   |   Monochrome display adapter are both installed in your    |
   |   system. When the CT-8190 is the primary display adapter; |
   |   & when the CT-8190 is attached to the CGA or EGA         |
   |   monitor.                                                 |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |   PRIMARY &AMP; SECONDARY DISPLAY ADAPTER CONFIGURATION    |
   |                         (TABLE 3)                          |
   |------------------------------------------------------------|
   |    Primary    | Secondary  | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
   |---------------+------------+-------+-------+-------+-------|
   |  Color (40 x  | Monochrome |  On   |  On   |  On   |  On   |
   |      25)      |            |       |       |       |       |
   |---------------+------------+-------+-------+-------+-------|
   |  Color (80 x  | Monochrome |  Off  |  On   |  On   |  On   |
   |      25)      |            |       |       |       |       |
   |---------------+------------+-------+-------+-------+-------|
   |     NONE      | Monochrome |  Off  |  On   |  On   |  On   |
   |---------------+------------+-------+-------+-------+-------|
   |   Enhanced    | Monochrome |  On   |  Off  |  On   |  On   |
   | color (Normal |            |       |       |       |       |
   |  color mode)  |            |       |       |       |       |
   |---------------+------------+-------+-------+-------+-------|
   |   Enhanced    | Monochrome |  Off  |  Off  |  On   |  On   |
   |     color     |            |       |       |       |       |
   |   (Enhanced   |            |       |       |       |       |
   |  color mode)  |            |       |       |       |       |
   |------------------------------------------------------------|
   |   Note: These settings apply when the CT-8190 & the        |
   |   Monochrome display adapter are both installed in your    |
   |   system. When the Monochrome is the primary display       |
   |   adapter; & when the CT-8190 is attached to the CGA or    |
   |   EGA monitor.                                             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |   PRIMARY &AMP; SECONDARY DISPLAY ADAPTER CONFIGURATION    |
   |                         (TABLE 4)                          |
   |------------------------------------------------------------|
   |   Primary   | Secondary  | SW1/1  | SW1/2  | SW1/3 | SW1/4 |
   |-------------+------------+--------+--------+-------+-------|
   | Monochrome  |    NONE    |  Off   |  Off   |  On   |  Off  |
   |-------------+------------+--------+--------+-------+-------|
   | Monochrome  | Color (40  |   On   |  Off   |  On   |  Off  |
   |             |   x 25)    |        |        |       |       |
   |-------------+------------+--------+--------+-------+-------|
   | Monochrome  | Color (80  |  Off   |  Off   |  On   |  Off  |
   |             |   x 25)    |        |        |       |       |
   |------------------------------------------------------------|
   |   Note: These settings apply when the CT-8190 & the Color  |
   |   graphics adapter are both installed in your system. When |
   |   the CT-8190 is the primary display adapter; & when the   |
   |   Monochrome monitor is attached to the CT-8190.           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |   PRIMARY &AMP; SECONDARY DISPLAY ADAPTER CONFIGURATION    |
   |                         (TABLE 5)                          |
   |------------------------------------------------------------|
   |   Primary   | Secondary  | SW1/1  | SW1/2  | SW1/3 | SW1/4 |
   |-------------+------------+--------+--------+-------+-------|
   | Monochrome  |    NONE    |  Off   |  Off   |  On   |  Off  |
   |   or NONE   |            |        |        |       |       |
   |-------------+------------+--------+--------+-------+-------|
   | Monochrome  | Color (40  |   On   |   On   |  Off  |  On   |
   |   or NONE   |   x 25)    |        |        |       |       |
   |-------------+------------+--------+--------+-------+-------|
   | Monochrome  | Color (80  |  Off   |   On   |  Off  |  On   |
   |   or NONE   |   x 25)    |        |        |       |       |
   |------------------------------------------------------------|
   |   Note: These settings apply when the CT-8190 & the Color  |
   |   graphics adapter are both installed in your system. When |
   |   the CGA is the primary display adapter; & when the       |
   |   Monochrome monitor is attached to the CT-8190.           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               MONITOR DISPLAY CONFIGURATION                |
   |------------------------------------------------------------|
   |            Setting            |           SW1/5            |
   |-------------------------------+----------------------------|
   |        Monochrome/CGA         |             On             |
   |-------------------------------+----------------------------|
   |              EGA              |            Off             |
   +------------------------------------------------------------+