(TXT) View Source
       
       # PROGRESSIVE PERIPHERALS, INC.
       
          MERCURY
       
          Card Type              Processor upgrade                       
          Processor              Motorola 68040                          
          Processor Speed        28/35MHz                                
          Chipset                Unidentified                            
          Maximum Onboard Memory 32MB DRAM                               
          Cache                  Unidentified                            
          BIOS                   Unidentified                            
          Dimensions             336 x 109mm                             
          NPU Options            None                                    
          Data Bus               Zorro III CPU slot                      
       
                                                                   M3730
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function                | Label |  Position  |
          |---------------------------------------+-------+------------|
          | » | 68040 processor enabled           |  C1   |    Open    |
          |---+-----------------------------------+-------+------------|
          |   | 68040 processor disabled - fall   |  C1   |   Closed   |
          |   | back to mainboard processor       |       |            |
          |---+-----------------------------------+-------+------------|
          | » | Cache enabled                     |  C2   |   Closed   |
          |---+-----------------------------------+-------+------------|
          |   | Cache disabled                    |  C2   |    Open    |
          |---+-----------------------------------+-------+------------|
          | » | Factory configured - do not alter |  D1   |    Open    |
          |---+-----------------------------------+-------+------------|
          | » | ROM shadowing enabled             |  D2   |    Open    |
          |---+-----------------------------------+-------+------------|
          |   | ROM shadowing disabled            |  D2   |   Closed   |
          |---+-----------------------------------+-------+------------|
          | » | Factory configured - do not alter |   E   | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  PROCESSOR AND DRAM SPEED                  |
          |------------------------------------------------------------|
          | Processor Speed |  DRAM Speed   |     A1      |     A2     |
          |-----------------+---------------+-------------+------------|
          |      28MHz      |     80nS      |    Open     |   Closed   |
          |-----------------+---------------+-------------+------------|
          |      35MHz      |     80nS      |   Closed    |    Open    |
          |-----------------+---------------+-------------+------------|
          |      35MHz      |     60nS      |    Open     |   Closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | The possible amounts of DRAM on this board are 0MB, 4MB,   |
          | 8MB, 16MB, 20MB, and 32MB. The configurations of these     |
          | amounts is unidentified.                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM JUMPER CONFIGURATION                  |
          |------------------------------------------------------------|
          |  Setting   |    B1    |     B2     |    B3     |    B4     |
          |------------+----------+------------+-----------+-----------|
          |    0MB     |   Open   |   Closed   |  Closed   |  Closed   |
          |------------+----------+------------+-----------+-----------|
          |    4MB     |   Open   |   Closed   |   Open    |  Closed   |
          |------------+----------+------------+-----------+-----------|
          |    8MB     |   Open   |   Closed   |   Open    |   Open    |
          |------------+----------+------------+-----------+-----------|
          |    16MB    |   Open   |    Open    |  Closed   |   Open    |
          |------------+----------+------------+-----------+-----------|
          |    20MB    |   Open   |    Open    |  Closed   |  Closed   |
          |------------+----------+------------+-----------+-----------|
          |    32MB    |   Open   |    Open    |   Open    |   Open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |          ON-BOARD CACHE BURST MODE CONFIGURATION           |
          |------------------------------------------------------------|
          |      Setting       |        C3         |        C4         |
          |--------------------+-------------------+-------------------|
          |      Disabled      |      Closed       |       Open        |
          |--------------------+-------------------+-------------------|
          |      Enabled       |       Open        |      Closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                MISCELLANEOUS TECHNICAL NOTE                |
          |------------------------------------------------------------|
          | Diagram not available.                                     |