(TXT) View Source
       
       # YOUNG MICRO SYSTEMS, INC.
       
          CROSS P54C-VIP (REV. 1.0)
       
          Processor    Pentium                                           
          Processor    90/100MHz                                         
          Speed        
          Chip Set     OPTI                                              
          Max. Onboard 128MB                                             
          DRAM         
          Cache        256/512/1024/2048KB                               
          BIOS         Award                                             
          Dimensions   330mm x 218mm                                     
          I/O Options  32-bit VESA local bus slots (3), 32-bit PCI slots 
                       (4), PS/2 mouse connector                         
          NPU Options  None                                              
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | PS/2 mouse        |   CN1    | Reset switch     |   CN5    |
          | connector         |          |                  |          |
          |-------------------+----------+------------------+----------|
          | External battery  |   CN2    | 32-bit VESA      |  SL1 -   |
          |                   |          | local bus slots  |   SL3    |
          |-------------------+----------+------------------+----------|
          | Power LED &       |   CN3    | 32-bit PCI slots |  PC1 -   |
          | keylock           |          |                  |   PC4    |
          |-------------------+----------+------------------+----------|
          | Speaker           |   CN4    |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP1   |    Open    |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP3   |    Open    |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP4   |    Open    |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP5   | pins 2 & 3 |
          |   | alter                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP9   |   Closed   |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP10  |   Closed   |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP16  | pins 2 & 3 |
          |   | alter                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP18  |   Closed   |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP19  |    Open    |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP25  | pins 2 & 3 |
          |   | alter                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP27  | pins 2 & 3 |
          |   | alter                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP28  | pins 1 & 2 |
          |   | alter                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | CMOS memory normal operation     |  JP30  | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | CMOS memory clear                |  JP30  | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | AT speed select fast             |  JP33  |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | AT speed select slow             |  JP33  |    Open    |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP34  |    Open    |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP35  |    Open    |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Flash BIOS type select normal    |  JP90  | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Flash BIOS type select           |  JP90  | pins 2 & 3 |
          |   | programming                      |        |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       2MB        |   (2) 256K x 36    |        NONE        |
          |------------------+--------------------+--------------------|
          |       4MB        |   (2) 512K x 36    |        NONE        |
          |------------------+--------------------+--------------------|
          |       4MB        |   (2) 256K x 36    |   (2) 256K x 36    |
          |------------------+--------------------+--------------------|
          |       8MB        |    (2) 1M x 36     |        NONE        |
          |------------------+--------------------+--------------------|
          |       16MB       |    (2) 1M x 36     |    (2) 1M x 36     |
          |------------------+--------------------+--------------------|
          |       32MB       |    (2) 4M x 36     |        NONE        |
          |------------------+--------------------+--------------------|
          |       40MB       |    (2) 1M x 36     |    (2) 4M x 36     |
          |------------------+--------------------+--------------------|
          |       64MB       |    (2) 8M x 36     |        NONE        |
          |------------------+--------------------+--------------------|
          |       64MB       |    (2) 4M x 36     |    (2) 4M x 36     |
          |------------------+--------------------+--------------------|
          |      128MB       |    (2) 8M x 36     |    (2) 8M x 36     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  |    Bank 0    |   Bank 1   |   DIRTY   |    TAG     |
          |-------+--------------+------------+-----------+------------|
          | 256KB | (8) 32K x 8  |    NONE    | (4) 16K x | (1) 8K x 8 |
          |       |              |            |     1     |            |
          |-------+--------------+------------+-----------+------------|
          | 512KB | (8) 32K x 8  | (8) 32K x  | (4) 64K x | (1) 32K x  |
          |       |              |     8      |     1     |     8      |
          |-------+--------------+------------+-----------+------------|
          |  1MB  | (8) 128K x 8 |    NONE    | (4) 64K x | (1) 128K x |
          |       |              |            |     1     |     8      |
          |-------+--------------+------------+-----------+------------|
          |  2MB  | (8) 128K x 8 | (8) 128K x | (4) 64K x | (1) 128K x |
          |       |              |     8      |     1     |     8      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |   Size   |   JP6    |   JP7    |   JP8   |  JP11  |  JP14  |
          |----------+----------+----------+---------+--------+--------|
          |  256KB   |   Open   |  Closed  | Closed  | 1 & 2  | 1 & 2  |
          |----------+----------+----------+---------+--------+--------|
          |  512KB   |  Closed  |  Closed  | Closed  | 2 & 3  | 2 & 3  |
          |----------+----------+----------+---------+--------+--------|
          |   1MB    |  Closed  |  Closed  | Closed  | 1 & 2  | 1 & 2  |
          |----------+----------+----------+---------+--------+--------|
          |   2MB    |  Closed  |  Closed  | Closed  | 2 & 3  | 2 & 3  |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             CACHE JUMPER CONFIGURATION (CON’T)             |
          |------------------------------------------------------------|
          |   Size   |   JP15   |  JP94   |  JP95  |  JP97   |  JP98   |
          |----------+----------+---------+--------+---------+---------|
          |  256KB   |  1 & 2   |   N/A   |  N/A   |  Open   |  Open   |
          |----------+----------+---------+--------+---------+---------|
          |  512KB   |  2 & 3   |   N/A   |  N/A   |  Open   |  Open   |
          |----------+----------+---------+--------+---------+---------|
          |   1MB    |  1 & 2   |  1 & 2  | 1 & 2  |  Open   | Closed  |
          |----------+----------+---------+--------+---------+---------|
          |   2MB    |  2 & 3   |  2 & 3  | 2 & 3  | Closed  | Closed  |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |       Speed        |       JP20        |       JP21        |
          |--------------------+-------------------+-------------------|
          |       90MHz        |      Closed       |      Closed       |
          |--------------------+-------------------+-------------------|
          |       100MHz       |      Closed       |       Open        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   AT CLOCK CONFIGURATION                   |
          |------------------------------------------------------------|
          |        Type        |       JP31        |       JP32        |
          |--------------------+-------------------+-------------------|
          |       LCLK/2       |       Open        |       Open        |
          |--------------------+-------------------+-------------------|
          |       LCLK/3       |      Closed       |       Open        |
          |--------------------+-------------------+-------------------|
          |       LCLK/4       |       Open        |      Closed       |
          |--------------------+-------------------+-------------------|
          |       LCLK/5       |      Closed       |      Closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               VESA WAIT STATE CONFIGURATION                |
          |------------------------------------------------------------|
          |          Wait states          |            JP43            |
          |-------------------------------+----------------------------|
          |         0 wait states         |            Open            |
          |-------------------------------+----------------------------|
          |         1 wait state          |           Closed           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BUS SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |           CPU speed           |            JP41            |
          |-------------------------------+----------------------------|
          |           <= 33MHz            |            Open            |
          |-------------------------------+----------------------------|
          |            > 33MHz            |           Closed           |
          +------------------------------------------------------------+