PROLINK COMPUTER, INC.
======================

   MVGA-AVGA4VL+

   Data bus:            32-bit VL-Bus                             
   Size:                Three/quarter-length, full-height card    
   Hard drive           Two IDE (AT) interface drives             
   supported:           
   Floppy drives        Two 360KB, 720KB, 1.2MB, or 1.44MB drives 
   supported:           

<gopher://bitreich.org/I/th99/c/P-R/20642-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                 Function                 |    Location     |
   |------------------------------------------+-----------------|
   | 15-pin analog video port - external      |       CN2       |
   |------------------------------------------+-----------------|
   | 26-pin connector - VGA feature connector |       J1        |
   |------------------------------------------+-----------------|
   | 16-pin game port - internal              |       J2        |
   |------------------------------------------+-----------------|
   | 10-pin serial port 1 - internal          |       J3        |
   |------------------------------------------+-----------------|
   | 10-pin serial port 2 - internal          |       J4        |
   |------------------------------------------+-----------------|
   | 40-pin IDE (AT) interface connector      |       J6        |
   |------------------------------------------+-----------------|
   | 34-pin cable connector - floppy drive    |       J7        |
   |------------------------------------------+-----------------|
   | 25-pin parallel port - external          |       J8        |
   |------------------------------------------+-----------------|
   | 4-pin connector - drive active LED       |      JP10       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |            Function             |    Location    | Setting |
   |---------------------------------+----------------+---------|
   |>> | IRQ9 enabled                |      JP1       | closed  |
   |---+-----------------------------+----------------+---------|
   |>> | IRQ9 disabled               |      JP1       |  open   |
   |---+-----------------------------+----------------+---------|
   |>> | Parallel port enabled       | JP2/pins 1 & 2 | closed  |
   |---+-----------------------------+----------------+---------|
   |>> | Parallel port disabled      | JP2/pins 2 & 3 | closed  |
   |---+-----------------------------+----------------+---------|
   |>> | Floppy controller enabled   | JP3/pins 1 & 2 | closed  |
   |---+-----------------------------+----------------+---------|
   |>> | Floppy controller disabled  | JP3/pins 2 & 3 | closed  |
   |---+-----------------------------+----------------+---------|
   |>> | Parallel port is LPT2       | JP4/pins 1 & 2 | closed  |
   |---+-----------------------------+----------------+---------|
   |>> | Parallel port is LPT3       | JP4/pins 2 & 3 | closed  |
   |---+-----------------------------+----------------+---------|
   |>> | Game port enabled           | JP5/pins 1 & 2 | closed  |
   |---+-----------------------------+----------------+---------|
   |>> | Game port disabled          | JP5/pins 2 & 3 | closed  |
   |---+-----------------------------+----------------+---------|
   |>> | IDE (AT) interface enabled  | JP14/pins 1 &  | closed  |
   |   |                             |       2        |         |
   |---+-----------------------------+----------------+---------|
   |>> | IDE (AT) interface disabled | JP14/pins 2 &  | closed  |
   |   |                             |       3        |         |
   |---+-----------------------------+----------------+---------|
   |>> | IOCHRDY disabled            |      JP22      |  open   |
   |---+-----------------------------+----------------+---------|
   |>> | IOCHRDY enabled             |      JP22      | closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 1 CONFIGURATION                 |
   |------------------------------------------------------------|
   |      >> COM       |        JP6         |        JP7         |
   |------------------+--------------------+--------------------|
   |>> |     COM1     | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |>> |     COM3     | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |>> |   Disabled   | pins 2 & 3 closed  |        N/A         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 2 CONFIGURATION                 |
   |------------------------------------------------------------|
   |     >> COM      |         JP8         |         JP9         |
   |----------------+---------------------+---------------------|
   |>> |    COM2    |  pins 1 & 2 closed  |  pins 1 & 2 closed  |
   |---+------------+---------------------+---------------------|
   |>> |    COM4    |  pins 1 & 2 closed  |  pins 2 & 3 closed  |
   |---+------------+---------------------+---------------------|
   |>> |  Disabled  |  pins 2 & 3 closed  |         N/A         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 HDD ACCESS TIME SELECTION                  |
   |------------------------------------------------------------|
   |   >> Speed     |        JP11         |         JP12         |
   |---------------+---------------------+----------------------|
   |>> |   600ns   |  pins 2 & 3 closed  |  pins 2 & 3 closed   |
   |---+-----------+---------------------+----------------------|
   |>> |   240ns   |  pins 1 & 2 closed  |  pins 1 & 2 closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  VESA BUS CLOCK SELECTION                  |
   |------------------------------------------------------------|
   |         >> Setting          |             JP13              |
   |----------------------------+-------------------------------|
   |>> |         50MHz          |       pins 1 & 2 closed       |
   |---+------------------------+-------------------------------|
   |>> |         33MHz          |       pins 2 & 3 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                MISCELLANEOUS TECHNICAL NOTE                |
   |------------------------------------------------------------|
   | DRAM is 2MB of high speed video memory installed.          |
   +------------------------------------------------------------+