(TXT) View Source
       
       # DIGITAL EQUIPMENT CORPORATION
       
          PC 2230 CE
       
          Processor        80286                                         
          Processor Speed  12MHz                                         
          Chip Set         Unidentified                                  
          Video Chip Set   ATI                                           
          Maximum Onboard  4MB                                           
          Memory           
          Maximum Video    64KB                                          
          Memory           
          Cache            None                                          
          BIOS             Unidentified                                  
          Dimensions       238mm x 228mm                                 
          I/O Options      Floppy drive interface, IDE interface,        
                           parallel port, serial ports (2), VGA port,    
                           riser slot                                    
          NPU Options      80287                                         
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose              | Location | Purpose       | Location |
          |----------------------+----------+---------------+----------|
          | Floppy/hard drive    |    J5    | Serial port   |   J10    |
          | power interface      |          |               |          |
          |----------------------+----------+---------------+----------|
          | IDE interface        |    J6    | Parallel port |   J11    |
          |----------------------+----------+---------------+----------|
          | Floppy drive         |    J7    | VGA port      |   J12    |
          | interface            |          |               |          |
          |----------------------+----------+---------------+----------|
          | Serial port          |    J9    | Riser slot    |   SL1    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function                | Label |  Position  |
          |---------------------------------------+-------+------------|
          |   | SIMM type select 256KB            |  W6   |    Open    |
          |---+-----------------------------------+-------+------------|
          |   | SIMM type select 1MB              |  W6   |   Closed   |
          |---+-----------------------------------+-------+------------|
          | » | BIOS type select 27256            |  W8   |   Closed   |
          |---+-----------------------------------+-------+------------|
          |   | BIOS type select 27128            |  W8   |    Open    |
          |---+-----------------------------------+-------+------------|
          |   | Shadow RAM enabled                |  W9   |    Open    |
          |---+-----------------------------------+-------+------------|
          |   | Shadow RAM disabled               |  W9   |   Closed   |
          |---+-----------------------------------+-------+------------|
          |   | SIMM type select all same type    |  W18  |    Open    |
          |---+-----------------------------------+-------+------------|
          |   | SIMM type select mixed SIMMs      |  W18  |   Closed   |
          |---+-----------------------------------+-------+------------|
          | » | Keyboard clock speed select 8MHz  |  W22  | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Keyboard clock speed select 4MHz  |  W22  | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Burn in mode not disabled         |  W26  |    Open    |
          |---+-----------------------------------+-------+------------|
          |   | Burn in mode enabled              |  W26  |   Closed   |
          |---+-----------------------------------+-------+------------|
          | » | Manufacturing mode disabled       |  W27  |    Open    |
          |---+-----------------------------------+-------+------------|
          |   | Manufacturing mode enabled        |  W27  |   Closed   |
          |---+-----------------------------------+-------+------------|
          | » | Floppy drive interface enabled    |  W28  |    Open    |
          |---+-----------------------------------+-------+------------|
          |   | Floppy drive interface disabled   |  W28  |   Closed   |
          |---+-----------------------------------+-------+------------|
          | » | Video type select normal          |  W29  |    Open    |
          |---+-----------------------------------+-------+------------|
          |   | Video type select slow            |  W29  |   Closed   |
          |---+-----------------------------------+-------+------------|
          |   | Speaker volume select high        |  W30  |    Open    |
          |---+-----------------------------------+-------+------------|
          |   | Speaker volume select low         |  W30  |   Closed   |
          |---+-----------------------------------+-------+------------|
          | » | 60ns CAS enabled                  |  W31  |   Closed   |
          |---+-----------------------------------+-------+------------|
          |   | 60ns CAS disabled                 |  W31  |    Open    |
          |---+-----------------------------------+-------+------------|
          |   | I/O half speed enabled            |  W33  | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | I/O half speed disabled           |  W33  | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Monitor type select color         | S1/1  |     On     |
          |---+-----------------------------------+-------+------------|
          |   | Monitor type select monochrome    | S1/1  |    Off     |
          |---+-----------------------------------+-------+------------|
          |   | Monochrome mode using a color     | S1/2  |     On     |
          |   | monitor                           |       |            |
          |---+-----------------------------------+-------+------------|
          |   | Color mode using a monochrome     | S1/2  |    Off     |
          |   | monitor                           |       |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |  Size  |   Bank 0   |   Bank 1   |   Bank 2   |   Bank 3   |
          |--------+------------+------------+------------+------------|
          | 256KB  | (1) 256K x |    None    |    None    |    None    |
          |        |     9      |            |            |            |
          |--------+------------+------------+------------+------------|
          | 512KB  | (1) 256K x | (1) 256K x |    None    |    None    |
          |        |     9      |     9      |            |            |
          |--------+------------+------------+------------+------------|
          | 768KB  | (1) 256K x | (1) 256K x | (1) 256K x |    None    |
          |        |     9      |     9      |     9      |            |
          |--------+------------+------------+------------+------------|
          |  1MB   | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x |
          |        |     9      |     9      |     9      |     9      |
          |--------+------------+------------+------------+------------|
          |  1MB   | (1) 1M x 9 |    None    |    None    |    None    |
          |--------+------------+------------+------------+------------|
          | 1.2MB  | (1) 1M x 9 | (1) 256K x |    None    |    None    |
          |        |            |     9      |            |            |
          |--------+------------+------------+------------+------------|
          | 1.5MB  | (1) 1M x 9 | (1) 256K x | (1) 256K x |    None    |
          |        |            |     9      |     9      |            |
          |--------+------------+------------+------------+------------|
          | 1.79MB | (1) 1M x 9 | (1) 256K x | (1) 256K x | (1) 256K x |
          |        |            |     9      |     9      |     9      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM CONFIGURATION (CON’T)                 |
          |------------------------------------------------------------|
          |  Size  |   Bank 0   |   Bank 1   |   Bank 2   |   Bank 3   |
          |--------+------------+------------+------------+------------|
          |  2MB   | (1) 1M x 9 | (1) 1M x 9 |    None    |    None    |
          |--------+------------+------------+------------+------------|
          | 2.28MB | (1) 1M x 9 | (1) 1M x 9 | (1) 256K x |    None    |
          |        |            |            |     9      |            |
          |--------+------------+------------+------------+------------|
          | 2.5MB  | (1) 1M x 9 | (1) 1M x 9 | (1) 256K x | (1) 256K x |
          |        |            |            |     9      |     9      |
          |--------+------------+------------+------------+------------|
          |  3MB   | (1) 1M x 9 | (1) 1M x 9 | (1) 1M x 9 |    None    |
          |--------+------------+------------+------------+------------|
          |  4MB   | (1) 1M x 9 | (1) 1M x 9 | (1) 1M x 9 | (1) 1M x 9 |
          |------------------------------------------------------------|
          | Note: The location of banks 0, 1, 2, & 3 is unidentified.  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   DRAM JUMPER SELECTION                    |
          |------------------------------------------------------------|
          |  SIMMS installed   |        W16        |        W17        |
          |--------------------+-------------------+-------------------|
          |         1          |       Open        |       Open        |
          |--------------------+-------------------+-------------------|
          |         2          |       Open        |      Closed       |
          |--------------------+-------------------+-------------------|
          |         3          |      Closed       |       Open        |
          |--------------------+-------------------+-------------------|
          |         4          |      Closed       |      Closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    DRAM SPEED SELECTION                    |
          |------------------------------------------------------------|
          |       Speed       |        W13         |        W14        |
          |-------------------+--------------------+-------------------|
          |       100ns       |        Open        |      Closed       |
          |-------------------+--------------------+-------------------|
          |       120ns       |       Closed       |       Open        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 VIDEO MEMORY CONFIGURATION                 |
          |------------------------------------------------------------|
          | Note: The location of the 64KB video memory is             |
          | unidentified.                                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  ONBOARD VIDEO SELECTION                   |
          |------------------------------------------------------------|
          |        Setting         |       W10       |       W21       |
          |------------------------+-----------------+-----------------|
          | » |      Enabled       |     Closed      |     Closed      |
          |---+--------------------+-----------------+-----------------|
          |   |      Disabled      |      Open       |      Open       |
          |---+--------------------+-----------------+-----------------|
          |   |      Disabled      |      Open       |     Closed      |
          |---+--------------------+-----------------+-----------------|
          |   |      Disabled      |     Closed      |      Open       |
          +------------------------------------------------------------+