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

   VIDEOSTAR

   Category                     Video/Video Capture               
   Video Types Supported        XVGA                              
   Video Processor              Unidentified                      
   Highest Resolution Supported 800 x 600                         
   Data Bus Type                16-bit ISA                        
   Memory Type                  DRAM                              
   Maximum Onboard Memory       1MB                               

<gopher://bitreich.org/I/th99/v/C-D/50635-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Purpose      | Location |     Purpose      | Location |
   |-------------------+----------+------------------+----------|
   | 15-pin analog     |   CN1    | VGA feature      |   CN6    |
   | video connector   |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | S-VHS video       |   CN2    | 60-pin MJPEG     |  CN7/A   |
   | capture input 1   |          | connector 1      |          |
   |-------------------+----------+------------------+----------|
   | RCA connector     |   CN3    | 60-pin Daughter  |  CN7/B   |
   | video source 0    |          | board connector  |          |
   |-------------------+----------+------------------+----------|
   | RCA connector     |   CN4    | 60-pin MJPEG     |  CN8/A   |
   | video source 1    |          | connector 2      |          |
   |-------------------+----------+------------------+----------|
   | S-VHS video       |   CN5    | 60-pin Daughter  |  CN8/B   |
   | capture input 2   |          | board connector  |          |
   |------------------------------------------------------------|
   |      Note:CN7 & CN8 are connectors for a MJPEG daughter    |
   |      board. This board is needed for video capture of 30   |
   |      frames per second 320 x 240 standard input from a VHS |
   |      source.                                               |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      INTERRUPT SELECT                      |
   |------------------------------------------------------------|
   |    IRQ    |    JP9     |    JP3    |    JP4    |    JP5    |
   |-----------+------------+-----------+-----------+-----------|
   |>> | IRQ5  | Pins 1 & 2 | Pins 1 &  | Pins 1 &  | Pins 1 &  |
   |   |       |   closed   |  2 open   |  2 open   |  2 open   |
   |---+-------+------------+-----------+-----------+-----------|
   |   | IRQ12 | Pins 1 & 2 | Pins 1 &  | Pins 1 &  | Pins 1 &  |
   |   |       |    open    |  2 open   |  2 open   | 2 closed  |
   |---+-------+------------+-----------+-----------+-----------|
   |   | IRQ14 | Pins 1 & 2 | Pins 1 &  | Pins 1 &  | Pins 1 &  |
   |   |       |    open    |  2 open   | 2 closed  |  2 open   |
   |---+-------+------------+-----------+-----------+-----------|
   |   | IRQ15 | Pins 1 & 2 | Pins 1 &  | Pins 1 &  | Pins 1 &  |
   |   |       |    open    | 2 closed  |  2 open   |  2 open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                INTERRUPT SELECT (CONTINUED)                |
   |------------------------------------------------------------|
   |  IRQ  |     JP6     |    JP7     |    JP8     |    JP10    |
   |-------+-------------+------------+------------+------------|
   | IRQ3  | Pins 1 & 2  | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
   |       |    open     |    open    |    open    |   closed   |
   |-------+-------------+------------+------------+------------|
   | IRQ7  | Pins 1 & 2  | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
   |       |    open     |    open    |   closed   |    open    |
   |-------+-------------+------------+------------+------------|
   | IRQ10 | Pins 1 & 2  | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
   |       |    open     |   closed   |    open    |    open    |
   |-------+-------------+------------+------------+------------|
   | IRQ11 | Pins 1 & 2  | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
   |       |   closed    |    open    |    open    |    open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   ZERO WAIT STATE SELECT                   |
   |------------------------------------------------------------|
   |             Purpose             |           JP1            |
   |---------------------------------+--------------------------|
   |>>  |          Enabled           |          Closed          |
   |----+----------------------------+--------------------------|
   |    |          Disabled          |           Open           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                FEATURE CLOCK CONFIGURATION                 |
   |------------------------------------------------------------|
   |                Purpose                 |        JP2        |
   |----------------------------------------+-------------------|
   |>> |  Standard feature connector clock  | Pins 1 & 2 closed |
   |---+------------------------------------+-------------------|
   |   | Feature connector clock delay of 5 | Pins 2 & 3 closed |
   |   |                nsec                |                   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              DAUGHTER BOARD INTERRUPT SELECT               |
   |------------------------------------------------------------|
   |  IRQ  |     JP7     |    JP8     |    JP9     |    JP10    |
   |-------+-------------+------------+------------+------------|
   | IRQ3  | Pins 2 & 3  | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 |
   |       |    open     |    open    |    open    |   closed   |
   |-------+-------------+------------+------------+------------|
   | IRQ5  | Pins 2 & 3  | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 |
   |       |    open     |    open    |   closed   |    open    |
   |-------+-------------+------------+------------+------------|
   | IRQ7  | Pins 2 & 3  | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 |
   |       |    open     |   closed   |    open    |    open    |
   |-------+-------------+------------+------------+------------|
   | IRQ10 | Pins 2 & 3  | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 |
   |       |   closed    |    open    |    open    |    open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |        DAUGHTER BOARD INTERRUPT SELECT (CONTINUED)         |
   |------------------------------------------------------------|
   |    IRQ    |    JP3     |    JP4    |    JP5    |    JP6    |
   |-----------+------------+-----------+-----------+-----------|
   |>> | IRQ11 | Pins 2 & 3 | Pins 2 &  | Pins 2 &  | Pins 2 &  |
   |   |       |    open    |  3 open   |  3 open   | 3 closed  |
   |---+-------+------------+-----------+-----------+-----------|
   |   | IRQ12 | Pins 2 & 3 | Pins 2 &  | Pins 2 &  | Pins 2 &  |
   |   |       |    open    |  3 open   | 3 closed  |  3 open   |
   |---+-------+------------+-----------+-----------+-----------|
   |   | IRQ14 | Pins 2 & 3 | Pins 2 &  | Pins 2 &  | Pins 2 &  |
   |   |       |    open    | 3 closed  |  3 open   |  3 open   |
   |---+-------+------------+-----------+-----------+-----------|
   |   | IRQ15 | Pins 2 & 3 | Pins 2 &  | Pins 2 &  | Pins 2 &  |
   |   |       |   closed   |  3 open   |  3 open   |  3 open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               DAUGHTER BOARD ADDRESS SELECT                |
   |------------------------------------------------------------|
   |      Address       |  SW2/1  |  SW2/2  |  SW2/3  |  SW2/4  |
   |--------------------+---------+---------+---------+---------|
   |     200 - 20Fh     |   On    |   On    |   On    |   On    |
   |--------------------+---------+---------+---------+---------|
   |     280 - 28Fh     |   On    |   Off   |   On    |   On    |
   |--------------------+---------+---------+---------+---------|
   |     300 - 30Fh     |   Off   |   On    |   On    |   On    |
   |--------------------+---------+---------+---------+---------|
   |     380 - 38Fh     |   Off   |   Off   |   On    |   On    |
   |------------------------------------------------------------|
   | Note: The switch is located on the chip side of the        |
   | daughter board, along one edge.                            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                       ADDRESS SELECT                       |
   |------------------------------------------------------------|
   |  Address   |SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|SW1/7|SW1/8|
   |------------+-----+-----+-----+-----+-----+-----+-----+-----|
   |>> |  300 -  | Off | Off | On  | On  | On  | On  | On  | On  |
   |  |  303h   |     |     |     |     |     |     |     |     |
   |--+---------+-----+-----+-----+-----+-----+-----+-----+-----|
   |  |  200 -  | Off | On  | On  | On  | On  | On  | On  | On  |
   |  |  203h   |     |     |     |     |     |     |     |     |
   |--+---------+-----+-----+-----+-----+-----+-----+-----+-----|
   |  |  214 -  | Off | On  | On  | On  | On  | Off | On  | Off |
   |  |  217h   |     |     |     |     |     |     |     |     |
   |--+---------+-----+-----+-----+-----+-----+-----+-----+-----|
   |  |  240 -  | Off | On  | On  | Off | On  | On  | On  | On  |
   |  |  243h   |     |     |     |     |     |     |     |     |
   |--+---------+-----+-----+-----+-----+-----+-----+-----+-----|
   |  |  260 -  | Off | On  | On  | Off | Off | On  | On  | On  |
   |  |  263h   |     |     |     |     |     |     |     |     |
   |--+---------+-----+-----+-----+-----+-----+-----+-----+-----|
   |  |  280 -  | Off | On  | Off | On  | On  | On  | On  | On  |
   |  |  283h   |     |     |     |     |     |     |     |     |
   |--+---------+-----+-----+-----+-----+-----+-----+-----+-----|
   |  |  320 -  | Off | Off | On  | On  | Off | On  | On  | On  |
   |  |  323h   |     |     |     |     |     |     |     |     |
   |--+---------+-----+-----+-----+-----+-----+-----+-----+-----|
   |  |  350 -  | Off | Off | On  | Off | On  | Off | On  | On  |
   |  |  353h   |     |     |     |     |     |     |     |     |
   |--+---------+-----+-----+-----+-----+-----+-----+-----+-----|
   |  |  370 -  | Off | Off | On  | Off | Off | Off | On  | On  |
   |  |  373h   |     |     |     |     |     |     |     |     |
   |--+---------+-----+-----+-----+-----+-----+-----+-----+-----|
   |  |  3FC -  | Off | Off | Off | Off | Off | Off | Off | Off |
   |  |  3FFh   |     |     |     |     |     |     |     |     |
   +------------------------------------------------------------+