ATI TECHNOLOGIES, INC.
======================

   EGA WONDER (VER. 2)

   Card Type                    Video card                        
   Video Chip Set               Unidentified                      
   Highest Resolution Supported 800 x 600                         
   Maximum Video Memory         256KB                             
   Data Bus                     8-bit ISA                         
   Video Types Supported        Monochrome, CGA, EGA              

<gopher://bitreich.org/I/th99/v/A-B/52892-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |       Function        | Label |      Function      | Label |
   |-----------------------+-------+--------------------+-------|
   | Composite video/Pin 4 |  J1   | Feature Connector  |  J4   |
   | Feature Connector     |       |                    |       |
   |-----------------------+-------+--------------------+-------|
   | Pin 5 Feature         |  J2   | Light pen          |  P1   |
   | Connector             |       |                    |       |
   |-----------------------+-------+--------------------+-------|
   | 9-pin digital video   |  J3   | Composite video    |  P2   |
   | port                  |       | output             |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Label |  Position  |
   |---------------------------------------+-------+------------|
   |   | Enhanced features, enable         | SW1/8 |     On     |
   |---+-----------------------------------+-------+------------|
   |   | Enhanced features, disabled       | SW1/8 |    Off     |
   |---+-----------------------------------+-------+------------|
   |>> | Port address 3xx                  |  P6   | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Port address 2xx                  |  P6   | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Video Clock- on board oscillator  |  P7   | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Feature Connector 'EXTOSC' signal |  P7   | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Sync selection- horizontal        |  P8   | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Sync selection- composite         |  P8   | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | J1 connected to composite sync    |  P9   | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | J1 connected with J4 pin4         |  P9   | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   DISPLAY CONFIGURATION                    |
   |------------------------------------------------------------|
   |        Type        |  SW1/1  |  SW1/2  |  SW1/3  |  SW1/4  |
   |--------------------+---------+---------+---------+---------|
   |   |      MDA       |   Off   |   Off   |   On    |   Off   |
   |---+----------------+---------+---------+---------+---------|
   |   |  CGA (40x25)   |   On    |   Off   |   Off   |   On    |
   |---+----------------+---------+---------+---------+---------|
   |   |  CGA (80x25)   |   Off   |   Off   |   Off   |   On    |
   |---+----------------+---------+---------+---------+---------|
   |>> |  EGA (normal)  |   On    |   On    |   On    |   Off   |
   |---+----------------+---------+---------+---------+---------|
   |   | EGA (enhanced) |   Off   |   On    |   On    |   Off   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     MONITOR SELECTION                      |
   |------------------------------------------------------------|
   |          Type          |   SW1/5   |   SW1/6   |   SW1/7   |
   |------------------------+-----------+-----------+-----------|
   |       Multisync        |    On     |    Off    |    On     |
   |------------------------+-----------+-----------+-----------|
   |   Enhanced graphics    |    On     |    Off    |    Off    |
   |------------------------+-----------+-----------+-----------|
   |       RGB Color        |    On     |    On     |    Off    |
   |------------------------+-----------+-----------+-----------|
   |       Monochrome       |    Off    |    On     |    Off    |
   |------------------------+-----------+-----------+-----------|
   |    25KHz (color 1)     |    Off    |    Off    |    On     |
   |------------------------+-----------+-----------+-----------|
   |       Composite        |    On     |    On     |    Off    |
   |------------------------+-----------+-----------+-----------|
   |        Not used        |    Off    |    Off    |    Off    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |        DISPLAY MODE SELECTION (EGA WONDER PRIMARY)         |
   |------------------------------------------------------------|
   |  Primary  | Secondary |Monitor |SW1/1 |SW1/2 |SW1/3 |SW1/4 |
   |-----------+-----------+--------+------+------+------+------|
   |    MDA    |CGA, 80x25 |   MD   | Off  | Off  |  On  | Off  |
   |-----------+-----------+--------+------+------+------+------|
   |EGA, 80x25 |    MDA    |  ECD   | Off  |  On  |  On  | Off  |
   |-----------+-----------+--------+------+------+------+------|
   |CGA, 80x25 |    MDA    |   CD   |  On  |  On  |  On  | Off  |
   |-----------+-----------+--------+------+------+------+------|
   |CGA, 80x25 |    MDA    |   CD   | Off  | Off  | Off  |  On  |
   |-----------+-----------+--------+------+------+------+------|
   |CGA, 40x25 |    MDA    |   CD   |  On  | Off  | Off  |  On  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |       DISPLAY MODE SELECTION (EGA WONDER SECONDARY)        |
   |------------------------------------------------------------|
   |  Primary  | Secondary |Monitor |SW1/1 |SW1/2 |SW1/3 |SW1/4 |
   |-----------+-----------+--------+------+------+------+------|
   |CGA, 80x25 |    MDA    |   MD   | Off  |  On  | Off  |  On  |
   |-----------+-----------+--------+------+------+------+------|
   |CGA, 40x25 |    MDA    |   MD   |  On  |  On  | Off  |  On  |
   |-----------+-----------+--------+------+------+------+------|
   |    MDA    |EGA, 80x25 |  ECD   | Off  | Off  |  On  |  On  |
   |-----------+-----------+--------+------+------+------+------|
   |    MDA    |CGA, 80x25 |   CD   |  On  | Off  |  On  |  On  |
   |-----------+-----------+--------+------+------+------+------|
   |    MDA    |CGA, 80x25 |   CD   | Off  |  On  |  On  |  On  |
   |-----------+-----------+--------+------+------+------+------|
   |    MDA    |CGA, 40x25 |   CD   |  On  |  On  |  On  |  On  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               MISCELLANEOUS TECHNICAL NOTES                |
   |------------------------------------------------------------|
   |      Note: DRAM bank identified for location only. Chip    |
   |      size is unidentified.                                 |
   +------------------------------------------------------------+