DIAMOND MULTIMEDIA SYSTEMS, INC.
================================

   VIPER SE VLB/VIPER PRO VIDEO

   Category                     Video                             
   Video Types Supported        XVGA                              
   Video Processor              Weitek P9100                      
   Highest Resolution Supported 1600 x 1280                       
   Data Bus Type                32-bit VESA Local Bus             
   Memory Type                  VRAM                              
   Maximum Onboard Memory       2MB                               

<gopher://bitreich.org/I/th99/v/C-D/50598-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |        Purpose         | Location |   Purpose   | Location |
   |------------------------+----------+-------------+----------|
   | 15-pin analog video    |   CN1    | VGA feature |   CN2    |
   | port                   |          |  connector  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              VIDEO POWER INTERRUPT SELECTION               |
   |------------------------------------------------------------|
   |           >> IRQ            |              JP7              |
   |----------------------------+-------------------------------|
   |>>   |          9           |       Pins 2 & 3 closed       |
   |-----+----------------------+-------------------------------|
   |>>   |          15          |       Pins 1 & 2 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                EGA INTERRUPT CONFIGURATION                 |
   |------------------------------------------------------------|
   |            IRQ2            |              JP8              |
   |----------------------------+-------------------------------|
   |>> |        Disabled        |       Pins 1 & 2 closed       |
   |---+------------------------+-------------------------------|
   |   |        Enabled         |       Pins 2 & 3 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   VL-BUS SPEED SELECTION                   |
   |------------------------------------------------------------|
   |           Speed            |              JP9              |
   |----------------------------+-------------------------------|
   |>> |         33KHz          |       Pins 2 & 3 closed       |
   |---+------------------------+-------------------------------|
   |   |         50KHz          |       Pins 1 & 2 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                MISCELLANEOUS TECHNICAL NOTE                |
   |------------------------------------------------------------|
   |   Note: The Viper SE VLB/Viper Pro Video comes in two      |
   |   versions, a 2MB upgradable to 4MB & a standard 2MB       |
   |   version. The diagram above is the standard 2MB version.  |
   +------------------------------------------------------------+