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       # ACER, INC.
       
          ACERPOWER SV/V/DV (V10 PROJECT)
       
          Processor    80486SX/80486DX/80486DX2                          
          Processor    20/25/33/40/50(internal)/50/66(internal)MHz       
          Speed        
          Chip Set     Unidentified                                      
          Max. Onboard 64MB                                              
          DRAM         
          Cache        64/128/256KB                                      
          BIOS         Unidentified                                      
          Dimensions   330mm x 218mm                                     
          I/O Options  32-bit VESA local bus slots (2), floppy drive     
                       interface, green PC connector, green VGA          
                       connector, IDE interface, SCSI connector,         
                       parallel port, PS/2 mouse port, serial ports (2)  
          NPU Options  None                                              
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose        | Location | Purpose             | Location |
          |----------------+----------+---------------------+----------|
          | Serial port 1  |   CO1    | Chassis fan power   |    J9    |
          |----------------+----------+---------------------+----------|
          | Serial port 2  |   CO2    | LED connector       |   J10    |
          |----------------+----------+---------------------+----------|
          | External       |    J3    | Optional            |   J11    |
          | battery        |          | keyboard/mouse      |          |
          |----------------+----------+---------------------+----------|
          | Green VGA      |    J4    | IDE interface LED   |   J12    |
          | connector      |          |                     |          |
          |----------------+----------+---------------------+----------|
          | Green PC       |    J5    | PS/2 mouse port     |   JX2    |
          | connector      |          |                     |          |
          |----------------+----------+---------------------+----------|
          | SCSI interface |    J6    | Parallel port       |   PT1    |
          |----------------+----------+---------------------+----------|
          | IDE interface  |    J7    | 32-bit VESA local   |  SL1 &   |
          |                |          | bus slots           |   SL2    |
          |----------------+----------+---------------------+----------|
          | Floppy drive   |    J8    |                     |          |
          | interface      |          |                     |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Password disabled                |  JP1   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Password enabled                 |  JP1   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Acer copyright enabled           |  JP2   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Acer copyright disabled          |  JP2   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | SCSI I/O address select 340-35F  |  JP6   |    Open    |
          |---+----------------------------------+--------+------------|
          |   | SCSI I/O address select 140-15F  |  JP6   |   Closed   |
          |---+----------------------------------+--------+------------|
          | » | M5105 enabled                    |  JP7   |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | M5105 disabled                   |  JP7   |    Open    |
          |---+----------------------------------+--------+------------|
          | » | Bidirectional parallel port      |  JP8   |   Closed   |
          |   | enabled                          |        |            |
          |---+----------------------------------+--------+------------|
          |   | Bidirectional parallel port      |  JP8   |    Open    |
          |   | disabled                         |        |            |
          |---+----------------------------------+--------+------------|
          | » | Battery type select internal     |  JP9   |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | Battery type select external     |  JP9   |    Open    |
          |---+----------------------------------+--------+------------|
          | » | Reset key enabled                |  JP23  |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | Reset key disabled               |  JP23  |    Open    |
          |---+----------------------------------+--------+------------|
          | » | Keylock disabled                 |  JP24  |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | Keylock enabled                  |  JP24  |    Open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |  Size  | On board  | Bank 0  | Bank 1  | Bank 2  | Bank 3  |
          |--------+-----------+---------+---------+---------+---------|
          |  4MB   |    4MB    |  NONE   |  NONE   |  NONE   |  NONE   |
          |--------+-----------+---------+---------+---------+---------|
          |  8MB   |    4MB    |  NONE   | (1) 1M  |  NONE   |  NONE   |
          |        |           |         |  x 36   |         |         |
          |--------+-----------+---------+---------+---------+---------|
          |  12MB  |    4MB    |  NONE   | (1) 1M  | (1) 1M  |  NONE   |
          |        |           |         |  x 36   |  x 36   |         |
          |--------+-----------+---------+---------+---------+---------|
          |  16MB  |    4MB    |  NONE   | (1) 1M  | (1) 1M  | (1) 1M  |
          |        |           |         |  x 36   |  x 36   |  x 36   |
          |--------+-----------+---------+---------+---------+---------|
          |  16MB  | Disabled  | (1) 4M  |  NONE   |  NONE   |  NONE   |
          |        |           |  x 36   |         |         |         |
          |--------+-----------+---------+---------+---------+---------|
          |  20MB  |    4MB    |  NONE   | (1) 4M  |  NONE   |  NONE   |
          |        |           |         |  x 36   |         |         |
          |--------+-----------+---------+---------+---------+---------|
          |  24MB  |    4MB    |  NONE   | (1) 1M  | (1) 4M  |  NONE   |
          |        |           |         |  x 36   |  x 36   |         |
          |--------+-----------+---------+---------+---------+---------|
          |  32MB  | Disabled  | (1) 4M  | (1) 4M  |  NONE   |  NONE   |
          |        |           |  x 36   |  x 36   |         |         |
          |--------+-----------+---------+---------+---------+---------|
          |  36MB  |    4MB    |  NONE   | (1) 4M  | (1) 4M  |  NONE   |
          |        |           |         |  x 36   |  x 36   |         |
          |--------+-----------+---------+---------+---------+---------|
          |  40MB  |    4MB    |  NONE   | (1) 1M  | (1) 4M  | (1) 4M  |
          |        |           |         |  x 36   |  x 36   |  x 36   |
          |--------+-----------+---------+---------+---------+---------|
          |  48MB  | Disabled  | (1) 4M  | (1) 4M  | (1) 4M  |  NONE   |
          |        |           |  x 36   |  x 36   |  x 36   |         |
          |--------+-----------+---------+---------+---------+---------|
          |  64MB  | Disabled  | (1) 4M  | (1) 4M  | (1) 4M  | (1) 4M  |
          |        |           |  x 36   |  x 36   |  x 36   |  x 36   |
          |------------------------------------------------------------|
          |      Note: This board has 4MB of memory factory installed. |
          |      If memory is disabled, use the DRAM jumper            |
          |      configuration table.                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM JUMPER CONFIGURATION                  |
          |------------------------------------------------------------|
          |             Type              |            JP15            |
          |-------------------------------+----------------------------|
          |   On board 4MB RAM enabled    |     pins 2 & 3 closed      |
          |-------------------------------+----------------------------|
          |   On board 4MB RAM disabled   |     pins 1 & 2 closed      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |  Size  |   Bank 0   |   Bank 1   |     TAG      |   TAG    |
          |        |            |            |              | (DIRTY)  |
          |--------+------------+------------+--------------+----------|
          |  64KB  | (4) 8K x 8 | (4) 8K x 8 |  (1) 8K x 8  | (1) 16K  |
          |        |            |            |  or 32K x 8  |   x 4    |
          |--------+------------+------------+--------------+----------|
          | 128KB  | (4) 32K x  |    NONE    |  (1) 8K x 8  | (1) 16K  |
          |        |     8      |            |  or 32K x 8  |   x 4    |
          |--------+------------+------------+--------------+----------|
          | 256KB  | (4) 32K x  | (4) 32K x  | (1) 32K x 8  | (1) 16K  |
          |        |     8      |     8      |              |   x 4    |
          |------------------------------------------------------------|
          | Note: The orientation of the cache banks and TAG banks are |
          | unidentified.                                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |    Size    |       JP20        |    JP21     |    JP22     |
          |------------+-------------------+-------------+-------------|
          |    64KB    | pins 2 & 3 closed |    Open     |    Open     |
          |------------+-------------------+-------------+-------------|
          |   128KB    | pins 1 & 2 closed |   Closed    |    Open     |
          |------------+-------------------+-------------+-------------|
          |   256KB    | pins 2 & 3 closed |   Closed    |   Closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |           Speed            |             JP10              |
          |----------------------------+-------------------------------|
          |           20MHz            |       pins 1 & 6 closed       |
          |----------------------------+-------------------------------|
          |           25MHz            |       pins 2 & 7 closed       |
          |----------------------------+-------------------------------|
          |           33MHz            |       pins 3 & 8 closed       |
          |----------------------------+-------------------------------|
          |           40MHz            |       pins 4 & 9 closed       |
          |----------------------------+-------------------------------|
          |           50iMHz           |       pins 2 & 7 closed       |
          |----------------------------+-------------------------------|
          |           50MHz            |      pins 5 & 10 closed       |
          |----------------------------+-------------------------------|
          |           66iMHz           |       pins 3 & 8 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               VESA WAIT STATE CONFIGURATION                |
          |------------------------------------------------------------|
          |          Wait state           |            JP11            |
          |-------------------------------+----------------------------|
          |         0 wait states         |            Open            |
          |-------------------------------+----------------------------|
          |         1 wait state          |           Closed           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   SCSI IRQ CONFIGURATION                   |
          |------------------------------------------------------------|
          |            IRQ             |              JP3              |
          |----------------------------+-------------------------------|
          |          Disabled          |             Open              |
          |----------------------------+-------------------------------|
          |           IRQ10            |       pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |           IRQ11            |       pins 2 & 3 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   SCSI DMA CONFIGURATION                   |
          |------------------------------------------------------------|
          |       DMA        |        JP4         |        JP5         |
          |------------------+--------------------+--------------------|
          |     Disabled     |        Open        |        Open        |
          |------------------+--------------------+--------------------|
          |      DMA 5       | pins 1 & 2 closed  | pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |      DMA 6       | pins 2 & 3 closed  | pins 2 & 3 closed  |
          +------------------------------------------------------------+