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       # YOUNG MICRO SYSTEMS, INC.
       
          CROSS P5-VLB
       
          Processor    Pentium                                           
          Processor    60MHz                                             
          Speed        
          Chip Set     OPTI                                              
          Max. Onboard 96MB                                              
          DRAM         
          Cache        256/512KB                                         
          BIOS         AMI                                               
          Dimensions   330mm x 218mm                                     
          I/O Options  32-bit VESA local bus slots (3), PS/2 mouse       
                       connector                                         
          NPU Options  None                                              
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose       | Location | Purpose              | Location |
          |---------------+----------+----------------------+----------|
          | Reset switch  |   CN1    | PS/2 mouse connector |   CN4    |
          |---------------+----------+----------------------+----------|
          | Power LED &   |   CN2    | External battery     |    J1    |
          | keylock       |          |                      |          |
          |---------------+----------+----------------------+----------|
          | Speaker       |   CN3    | 32-bit VESA local    |  SL1 -   |
          |               |          | bus slots            |   SL3    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Jumper |   Position   |
          |------------------------------------+--------+--------------|
          | » | Battery type select internal   |  JP1   |  pins 2 & 3  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          |   | Battery type select external   |  JP1   |  pins 1 & 2  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          | » | Monitor type select color      |  JP2   |    Closed    |
          |---+--------------------------------+--------+--------------|
          |   | Monitor type select monochrome |  JP2   |     Open     |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP4   |     Open     |
          |   | alter                          |        |              |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP6   |     Open     |
          |   | alter                          |        |              |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP7   |  pins 1 & 2  |
          |   | alter                          |        |    closed    |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP8   |    Closed    |
          |   | alter                          |        |              |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP9   |    Closed    |
          |   | alter                          |        |              |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP12  |    Closed    |
          |   | alter                          |        |              |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP14  | pins 2 & 3,  |
          |   | alter                          |        | 4 & 5 closed |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP16  |     Open     |
          |   | alter                          |        |              |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP17  |     Open     |
          |   | alter                          |        |              |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP19  |     Open     |
          |   | alter                          |        |              |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP20  |     Open     |
          |   | alter                          |        |              |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP23  |     Open     |
          |   | alter                          |        |              |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP24  |     Open     |
          |   | alter                          |        |              |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP25  |     Open     |
          |   | alter                          |        |              |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP26  |     Open     |
          |   | alter                          |        |              |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP30  |    Closed    |
          |   | alter                          |        |              |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP31  |  pins 1 & 2  |
          |   | alter                          |        |    closed    |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP32  |     Open     |
          |   | alter                          |        |              |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP33  |     Open     |
          |   | alter                          |        |              |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP41  |     N/A      |
          |   | alter                          |        |              |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP43  |     Open     |
          |   | alter                          |        |              |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP44  |  pins 2 & 3  |
          |   | alter                          |        |    closed    |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP45  |  pins 2 & 3  |
          |   | alter                          |        |    closed    |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  JP50  |     N/A      |
          |   | alter                          |        |              |
          |---+--------------------------------+--------+--------------|
          | » | Factory configured - do not    |  J100  |     N/A      |
          |   | alter                          |        |              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
          |------+-------------+-------------+------------+------------|
          | 2MB  | (1) 256K x  | (1) 256K x  |    NONE    |    NONE    |
          |      |     36      |     36      |            |            |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (1) 256K x  | (1) 256K x  | (1) 512K x |    NONE    |
          |      |     36      |     36      |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (1) 512K x  | (1) 512K x  |    NONE    |    NONE    |
          |      |     36      |     36      |            |            |
          |------+-------------+-------------+------------+------------|
          | 6MB  | (1) 256K x  | (1) 256K x  | (1) 512K x | (1) 512K x |
          |      |     36      |     36      |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 6MB  | (1) 256K x  | (1) 256K x  |  (1) 1M x  |    NONE    |
          |      |     36      |     36      |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (1) 512K x  | (1) 512K x  |  (1) 1M x  |    NONE    |
          |      |     36      |     36      |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (1) 1M x 36 | (1) 1M x 36 |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 10MB | (1) 256K x  | (1) 256K x  |  (1) 2M x  |    NONE    |
          |      |     36      |     36      |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 12MB | (1) 256K x  | (1) 256K x  | (1) 512K x |  (1) 2M x  |
          |      |     36      |     36      |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 12MB | (1) 512K x  | (1) 512K x  |  (1) 2M x  |    NONE    |
          |      |     36      |     36      |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 14MB | (1) 256K x  | (1) 256K x  |  (1) 1M x  |  (1) 2M x  |
          |      |     36      |     36      |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 16MB | (1) 512K x  | (1) 512K x  |  (1) 1M x  |  (1) 2M x  |
          |      |     36      |     36      |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 16MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 2M x  |    NONE    |
          |      |             |             |     36     |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM CONFIGURATION (CON’T)                 |
          |------------------------------------------------------------|
          | Size |    Bank 0     |   Bank 1    |   Bank 2   |  Bank 3  |
          |------+---------------+-------------+------------+----------|
          | 16MB |  (1) 4M x 36  |    NONE     |    NONE    |   NONE   |
          |------+---------------+-------------+------------+----------|
          | 18MB | (1) 256K x 36 | (1) 256K x  |  (1) 2M x  | (1) 2M x |
          |      |               |     36      |     36     |    36    |
          |------+---------------+-------------+------------+----------|
          | 20MB | (1) 512K x 36 | (1) 512K x  |  (1) 2M x  | (1) 2M x |
          |      |               |     36      |     36     |    36    |
          |------+---------------+-------------+------------+----------|
          | 20MB | (1) 512K x 36 | (1) 512K x  |  (1) 4M x  |   NONE   |
          |      |               |     36      |     36     |          |
          |------+---------------+-------------+------------+----------|
          | 24MB |  (1) 1M x 36  | (1) 1M x 36 |  (1) 2M x  | (1) 2M x |
          |      |               |             |     36     |    36    |
          |------+---------------+-------------+------------+----------|
          | 24MB |  (1) 1M x 36  | (1) 1M x 36 |  (1) 4M x  |   NONE   |
          |      |               |             |     36     |          |
          |------+---------------+-------------+------------+----------|
          | 32MB |  (1) 4M x 36  |    NONE     |  (1) 4M x  |   NONE   |
          |      |               |             |     36     |          |
          |------+---------------+-------------+------------+----------|
          | 32MB |  (1) 8M x 36  |    NONE     |    NONE    |   NONE   |
          |------+---------------+-------------+------------+----------|
          | 34MB | (1) 256K x 36 | (1) 256K x  |  (1) 8M x  |   NONE   |
          |      |               |     36      |     36     |          |
          |------+---------------+-------------+------------+----------|
          | 36MB | (1) 256K x 36 | (1) 256K x  | (1) 512K x | (1) 8M x |
          |      |               |     36      |     36     |    36    |
          |------+---------------+-------------+------------+----------|
          | 36MB | (1) 512K x 36 | (1) 512K x  |  (1) 8M x  |   NONE   |
          |      |               |     36      |     36     |          |
          |------+---------------+-------------+------------+----------|
          | 38MB | (1) 256K x 36 | (1) 256K x  |  (1) 1M x  | (1) 8M x |
          |      |               |     36      |     36     |    36    |
          |------+---------------+-------------+------------+----------|
          | 40MB | (1) 512K x 36 | (1) 512K x  |  (1) 1M x  | (1) 8M x |
          |      |               |     36      |     36     |    36    |
          |------+---------------+-------------+------------+----------|
          | 40MB |  (1) 1M x 36  | (1) 1M x 36 |  (1) 8M x  |   NONE   |
          |      |               |             |     36     |          |
          |------+---------------+-------------+------------+----------|
          | 44MB | (1) 512K x 36 | (1) 512K x  |  (1) 2M x  | (1) 8M x |
          |      |               |     36      |     36     |    36    |
          |------+---------------+-------------+------------+----------|
          | 48MB |  (1) 1M x 36  | (1) 1M x 36 |  (1) 2M x  | (1) 8M x |
          |      |               |             |     36     |    36    |
          |------+---------------+-------------+------------+----------|
          | 48MB |  (1) 4M x 36  |    NONE     |  (1) 8M x  |   NONE   |
          |      |               |             |     36     |          |
          |------+---------------+-------------+------------+----------|
          | 50MB | (1) 256K x 36 | (1) 256K x  |  (1) 4M x  | (1) 8M x |
          |      |               |     36      |     36     |    36    |
          |------+---------------+-------------+------------+----------|
          | 52MB | (1) 512K x 36 | (1) 512K x  |  (1) 4M x  | (1) 8M x |
          |      |               |     36      |     36     |    36    |
          |------+---------------+-------------+------------+----------|
          | 56MB |  (1) 1M x 36  | (1) 1M x 36 |  (1) 4M x  | (1) 8M x |
          |      |               |             |     36     |    36    |
          |------+---------------+-------------+------------+----------|
          | 64MB |  (1) 4M x 36  |    NONE     |  (1) 4M x  | (1) 8M x |
          |      |               |             |     36     |    36    |
          |------+---------------+-------------+------------+----------|
          | 64MB |  (1) 8M x 36  |    NONE     |  (1) 8M x  |   NONE   |
          |      |               |             |     36     |          |
          |------+---------------+-------------+------------+----------|
          | 66MB | (1) 256K x 36 | (1) 256K x  |  (1) 8M x  | (1) 8M x |
          |      |               |     36      |     36     |    36    |
          |------+---------------+-------------+------------+----------|
          | 68MB | (1) 512K x 36 | (1) 512K x  |  (1) 8M x  | (1) 8M x |
          |      |               |     36      |     36     |    36    |
          |------+---------------+-------------+------------+----------|
          | 72MB |  (1) 1M x 36  | (1) 1M x 36 |  (1) 8M x  | (1) 8M x |
          |      |               |             |     36     |    36    |
          |------+---------------+-------------+------------+----------|
          | 80MB |  (1) 4M x 36  |    NONE     |  (1) 8M x  | (1) 8M x |
          |      |               |             |     36     |    36    |
          |------+---------------+-------------+------------+----------|
          | 96MB |  (1) 8M x 36  |    NONE     |  (1) 8M x  | (1) 8M x |
          |      |               |             |     36     |    36    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size    |    Bank 0     |    Bank 1     |      TAG      |
          |------------+---------------+---------------+---------------|
          |   256KB    |  (8) 32K x 8  |     NONE      |  (1) 32K x 8  |
          |------------+---------------+---------------+---------------|
          |   512KB    |  (8) 32K x 8  |  (8) 32K x 8  |  (1) 32K x 8  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |  Size   |   JP29   |       JP39        |       JP40        |
          |---------+----------+-------------------+-------------------|
          |  256KB  |   Open   | pins 1 & 2 closed | pins 1 & 2 closed |
          |---------+----------+-------------------+-------------------|
          |  512KB  |  Closed  | pins 2 & 3 closed | pins 2 & 3 closed |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   AT CLOCK CONFIGURATION                   |
          |------------------------------------------------------------|
          |      Setting       |       JP10        |       JP11        |
          |--------------------+-------------------+-------------------|
          |       LCLK/4       |      Closed       |       Open        |
          |--------------------+-------------------+-------------------|
          |       LCLK/3       |       Open        |      Closed       |
          |--------------------+-------------------+-------------------|
          |       LCLK/5       |      Closed       |      Closed       |
          |--------------------+-------------------+-------------------|
          |       LCLK/6       |       Open        |       Open        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               VESA WAIT STATE CONFIGURATION                |
          |------------------------------------------------------------|
          |          Wait states          |            JP21            |
          |-------------------------------+----------------------------|
          |         0 wait states         |            Open            |
          |-------------------------------+----------------------------|
          |         1 wait state          |           Closed           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BUS SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |           CPU speed           |            JP22            |
          |-------------------------------+----------------------------|
          |           <= 33MHz            |            Open            |
          |-------------------------------+----------------------------|
          |            > 33MHz            |           Closed           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 VESA SAMPLE CONFIGURATION                  |
          |------------------------------------------------------------|
          |            Sample            |            JP15             |
          |------------------------------+-----------------------------|
          |              T3              |           Closed            |
          |------------------------------+-----------------------------|
          |              T2              |            Open             |
          +------------------------------------------------------------+