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       # GIGA-BYTE TECHNOLOGY CO., LTD
       
          386-40PM
       
          Processor         80386DX                                      
          Processor Speed   33/40MHz                                     
          Chip Set          Unidentified                                 
          Max. Onboard DRAM 32MB                                         
          Cache             64/128/256KB                                 
          BIOS              AMI                                          
          Dimensions        254mm x 218mm                                
          I/O Options       None                                         
          NPU Options       80387DX                                      
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose             | Location | Purpose        | Location |
          |---------------------+----------+----------------+----------|
          | External battery    |    J1    | Turbo switch   |   JP11   |
          |---------------------+----------+----------------+----------|
          | Power LED & keylock |   J18    | Turbo LED      |   JP12   |
          |---------------------+----------+----------------+----------|
          | Speaker             |   J19    | Reset switch   |   SW1    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Jumper |   Position   |
          |------------------------------------+--------+--------------|
          | » | I/O bus speed select ATCLK/4   |  JP2   |    Closed    |
          |---+--------------------------------+--------+--------------|
          |   | I/O bus speed select ATCLK/5   |  JP2   |     Open     |
          |---+--------------------------------+--------+--------------|
          | » | CMOS memory normal operation   |  JP3   |  pins 2 & 3  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          |   | CMOS memory clear              |  JP3   |  pins 1 & 2  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          | » | Monitor type select CGA        |  JP4   |    Closed    |
          |---+--------------------------------+--------+--------------|
          |   | Monitor type select all others |  JP4   |     Open     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       1MB        |    (4) 256K x 9    |        NONE        |
          |------------------+--------------------+--------------------|
          |       2MB        |    (4) 256K x 9    |    (4) 256K x 9    |
          |------------------+--------------------+--------------------|
          |       4MB        |     (4) 1M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       16MB       |     (4) 4M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size    |    Bank 0     |    Bank 1     |      TAG      |
          |------------+---------------+---------------+---------------|
          |    64KB    |  (4) 8K x 8   |  (4) 8K x 8   |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |   128KB    |  (4) 32K x 8  |     NONE      |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |   256KB    |  (4) 32K x 8  |  (4) 32K x 8  |  (1) 32K x 8  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |  Size   |   JP6    |       JP10        |  JP16   |  JP17   |
          |---------+----------+-------------------+---------+---------|
          |  64KB   |   Open   | pins 2 & 3 closed |  Open   |  Open   |
          |---------+----------+-------------------+---------+---------|
          |  128KB  |  Closed  | pins 1 & 2 closed | Closed  |  Open   |
          |---------+----------+-------------------+---------+---------|
          |  256KB  |  Closed  | pins 2 & 3 closed | Closed  | Closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |     Type      |     JP1      |     JP5      |     JP13     |
          |---------------+--------------+--------------+--------------|
          |    80386DX    |     Open     |     Open     |     Open     |
          |---------------+--------------+--------------+--------------|
          |   CX486DLC    |    Closed    |    Closed    |    Closed    |
          +------------------------------------------------------------+