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       # ATC/UNITRON COMPUTERS
       
          U 4062VL
       
          Card Type                    Video card                        
          Video Chip Set               Unidentified                      
          Maximum Video Memory         2MB DRAM                          
          Data Bus                     16-bit ISA                        
          Video Types Supported        XVGA                              
          Highest Resolution Supported 1280 x 1024                       
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |        Function        | Label |     Function      | Label |
          |------------------------+-------+-------------------+-------|
          | 15-pin analog video    |  CN1  | Feature connector |  CN2  |
          | port                   |       |                   |       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                Function                | Label | Position  |
          |----------------------------------------+-------+-----------|
          | IRQ9 enabled                           |  JP1  |  Closed   |
          |----------------------------------------+-------+-----------|
          | IRQ9 disabled                          |  JP1  |   Open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Note: The banks hold 0.5MB, 1MB, and 2MB, but the exact    |
          | location is unidentified. U3 & U5 hold 44260 chip size and |
          | U16-U23 hold 44256 chip size                               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               DRAM BOOT JUMPER CONFIGURATION               |
          |------------------------------------------------------------|
          |      Setting       |        JP4        |        JP5        |
          |--------------------+-------------------+-------------------|
          |    Booting from    | Pins 2 & 3 closed | Pins 1 & 2 closed |
          |      U16-U23       |                   |                   |
          |--------------------+-------------------+-------------------|
          | Booting from U3 &  | Pins 1 & 2 closed | Pins 2 & 3 closed |
          |         U5         |                   |                   |
          +------------------------------------------------------------+