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                                              

<gopher://bitreich.org/I/th99/m/A-B/32472-1.png>
   

   +------------------------------------------------------------+
   |                        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  |
   +------------------------------------------------------------+