AITECH INTERNATIONAL CORPORATION
================================

   PROVGA/TV PLUS

   Category                     Video/Sound                       
   Video Types Supported        VGA                               
   Video Processor              Aitech International              
   Highest Resolution Supported 640 x 480                         
   Data Bus Type                16-bit ISA                        
   Memory Type                  VRAM                              
   Maximum Onboard Memory       512KB (location unidentified)     

<gopher://bitreich.org/I/th99/v/A-B/50472-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |    Purpose    | Location |       Purpose        | Location |
   |---------------+----------+----------------------+----------|
   | S-VHS output  |   CN1    | VESA feature         |   CN5    |
   | connector     |          | connector            |          |
   |---------------+----------+----------------------+----------|
   | RCA jack -    |   CN2    | Sync adjustment      |   VR5    |
   | video output  |          | potentiometer        |          |
   |---------------+----------+----------------------+----------|
   | S-VHS input   |   CN3    | Color adjustment     |   VR6    |
   | connector     |          | potentiometer        |          |
   |---------------+----------+----------------------+----------|
   | RCA port -    |   CN4    |                      |          |
   | video input   |          |                      |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 I/O BASE ADDRESS SELECTION                 |
   |------------------------------------------------------------|
   |   Address    |   SW1/1   |   SW1/2   |   SW1/3   |  SW14   |
   |--------------+-----------+-----------+-----------+---------|
   |>> |   360h   |    Off    |    On     |    Off    |   Off   |
   |---+----------+-----------+-----------+-----------+---------|
   |   |   200h   |    On     |    On     |    On     |   On    |
   |---+----------+-----------+-----------+-----------+---------|
   |   |   220h   |    On     |    On     |    On     |   Off   |
   |---+----------+-----------+-----------+-----------+---------|
   |   |   240h   |    On     |    On     |    Off    |   On    |
   |---+----------+-----------+-----------+-----------+---------|
   |   |   260h   |    On     |    On     |    Off    |   Off   |
   |---+----------+-----------+-----------+-----------+---------|
   |   |   280h   |    On     |    Off    |    On     |   On    |
   |---+----------+-----------+-----------+-----------+---------|
   |   |   2A0h   |    On     |    Off    |    On     |   Off   |
   |---+----------+-----------+-----------+-----------+---------|
   |   |   2C0h   |    On     |    Off    |    Off    |   On    |
   |---+----------+-----------+-----------+-----------+---------|
   |   |   2E0h   |    On     |    Off    |    Off    |   Off   |
   |---+----------+-----------+-----------+-----------+---------|
   |   |   300h   |    Off    |    On     |    On     |   On    |
   |---+----------+-----------+-----------+-----------+---------|
   |   |   320h   |    Off    |    On     |    On     |   Off   |
   |---+----------+-----------+-----------+-----------+---------|
   |   |   340h   |    Off    |    On     |    Off    |   On    |
   |---+----------+-----------+-----------+-----------+---------|
   |   |   380h   |    Off    |    Off    |    On     |   On    |
   |---+----------+-----------+-----------+-----------+---------|
   |   |   3A0h   |    Off    |    Off    |    On     |   Off   |
   |---+----------+-----------+-----------+-----------+---------|
   |   |   3C0h   |    Off    |    Off    |    Off    |   On    |
   |---+----------+-----------+-----------+-----------+---------|
   |   |   3E0h   |    Off    |    Off    |    Off    |   Off   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    INTERRUPT SELECTION                     |
   |------------------------------------------------------------|
   |   IRQ   |  JP4   |  JP5   |  JP6   |  JP7  |  JP8  |  JP9  |
   |---------+--------+--------+--------+-------+-------+-------|
   |>>| IRQ12 | Closed |  Open  |  Open  | Open  | Open  | Open  |
   |-+-------+--------+--------+--------+-------+-------+-------|
   | | IRQ15 |  Open  | Closed |  Open  | Open  | Open  | Open  |
   |-+-------+--------+--------+--------+-------+-------+-------|
   | | IRQ9  |  Open  |  Open  | Closed | Open  | Open  | Open  |
   |-+-------+--------+--------+--------+-------+-------+-------|
   | | IRQ7  |  Open  |  Open  |  Open  |Closed | Open  | Open  |
   |-+-------+--------+--------+--------+-------+-------+-------|
   | | IRQ14 |  Open  |  Open  |  Open  | Open  |Closed | Open  |
   |-+-------+--------+--------+--------+-------+-------+-------|
   | | IRQ5  |  Open  |  Open  |  Open  | Open  | Open  |Closed |
   +------------------------------------------------------------+