UNIDENTIFIED
============

   VC-415B/VC-415F

   Category                     Video                             
   Video Types Supported        XVGA                              
   Video Processor              Unidentified                      
   Highest Resolution Supported 1024 x 768                        
   Data Bus Type                16-bit ISA                        
   Memory Type                  DRAM                              
   Maximum Onboard Memory       1MB                               

<gopher://bitreich.org/I/th99/v/U-Z/50816-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |            Purpose            |          Location          |
   |-------------------------------+----------------------------|
   | 15-pin analog video port      |            CN1             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      ZERO WAIT STATE                       |
   |------------------------------------------------------------|
   |           >> Setting             |            J1            |
   |---------------------------------+--------------------------|
   |>> |           Enabled           |           Open           |
   |---+-----------------------------+--------------------------|
   |>> |          Disabled           |          Closed          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    8/16-BIT BUS SELECT                     |
   |------------------------------------------------------------|
   |    >> Setting     |   J6    |          J9          |  J10   |
   |------------------+---------+----------------------+--------|
   |>> | 16-bit slot  |  Open   |  Jumpers A - C open  | Closed |
   |---+--------------+---------+----------------------+--------|
   |>> |  8-bit slot  | Closed  | Jumpers A - C closed |  Open  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         SCAN RATE                          |
   |------------------------------------------------------------|
   |           >> Setting             |            J7            |
   |---------------------------------+--------------------------|
   |>> |          < 48.7KHz          |          Closed          |
   |---+-----------------------------+--------------------------|
   |>> |          3 48.7KHz          |           Open           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  8/16-BIT BIOS DETECTION                   |
   |------------------------------------------------------------|
   |            >> Setting              |           J8           |
   |-----------------------------------+------------------------|
   |>> |      Autodetect enabled       |          Open          |
   |---+-------------------------------+------------------------|
   |>> |         BIOS setting          |         Closed         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                DRAM CONFIGURATION (VC-415B)                |
   |------------------------------------------------------------|
   |     >> Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |>> |    512KB     |    (2) 256K x 8    |        None        |
   |---+--------------+--------------------+--------------------|
   |>> |     1MB      |    (2) 256K x 8    |    (2) 256K x 8    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               MISCELLANEOUS TECHNICAL NOTES                |
   |------------------------------------------------------------|
   |   The VC-415F is configured with (2) 512K x 8 DRAMs and    |
   |                    cannot be upgraded.                     |
   +------------------------------------------------------------+