(TXT) View Source
       
       # DELL COMPUTER CORPORATION
       
          ARC SYSTEM BOARD
       
          Processor              8088                                    
          Processor Speed        4.77/8MHz                               
          Chip Set               Unidentified                            
          Video Chip Set         None                                    
          Maximum Onboard Memory 640KB                                   
          Maximum Video Memory   None                                    
          Cache                  None                                    
          BIOS                   Unidentified                            
          Dimensions             330mm x 218mm                           
          I/O Options            None                                    
          NPU Options            8087                                    
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose             | Location | Purpose        | Location |
          |---------------------+----------+----------------+----------|
          | Light pen connector |    J2    | Speaker        |    J3    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function                | Label |  Position  |
          |---------------------------------------+-------+------------|
          | » | Factory configured - do not alter |  C2   | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Factory configured - do not alter | SW1/1 |    Off     |
          |---+-----------------------------------+-------+------------|
          |   | NPU not installed                 | SW1/2 |     On     |
          |---+-----------------------------------+-------+------------|
          |   | NPU installed                     | SW1/2 |    Off     |
          |---+-----------------------------------+-------+------------|
          | » | Factory configured - do not alter | SW1/3 |    Off     |
          |---+-----------------------------------+-------+------------|
          | » | Factory configured - do not alter | SW1/4 |    Off     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Note: Board accepts 256KB/640KB memory. The configuration  |
          | is unidentified.                                           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM JUMPER CONFIGURATION                  |
          |------------------------------------------------------------|
          |            Size            |              C1               |
          |----------------------------+-------------------------------|
          |           256KB            |       Pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |           640KB            |       Pins 2 & 3 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      VIDEO SELECTION                       |
          |------------------------------------------------------------|
          |      Setting       |       SW1/5       |       SW1/6       |
          |--------------------+-------------------+-------------------|
          |     Monochrome     |        Off        |        Off        |
          |--------------------+-------------------+-------------------|
          |        CGA         |        On         |        Off        |
          |--------------------+-------------------+-------------------|
          |        EGA         |        On         |        On         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   FLOPPY DRIVE SELECTION                   |
          |------------------------------------------------------------|
          |  Drives installed  |       SW1/7       |       SW1/8       |
          |--------------------+-------------------+-------------------|
          |         1          |        On         |        On         |
          |--------------------+-------------------+-------------------|
          |         2          |        Off        |        On         |
          |--------------------+-------------------+-------------------|
          |         3          |        On         |        Off        |
          |--------------------+-------------------+-------------------|
          |         4          |        Off        |        Off        |
          +------------------------------------------------------------+