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       # GIGA-BYTE TECHNOLOGY CO., LTD.
       
          GA-386PL
       
          Processor         80386DX                                      
          Processor Speed   25/33MHz                                     
          Chip Set          OPTi                                         
          Max. Onboard DRAM 16MB                                         
          Cache             64/128KB                                     
          BIOS              AMI                                          
          Dimensions        330mm x 218mm                                
          I/O Options       None                                         
          NPU Options       80387DX/3167                                 
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | Power LED &       |   JP9    | Turbo switch     |   JP12   |
          | keylock           |          |                  |          |
          |-------------------+----------+------------------+----------|
          | Speaker           |   JP10   | Turbo LED        |   JP34   |
          |-------------------+----------+------------------+----------|
          | Reset switch      |   JP11   | External battery |   JP36   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | NPU 80387 installed              |  JP21  | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | NPU Weitek 3167 installed or no  |  JP21  | pins 2 & 3 |
          |   | NPU installed                    |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select color        |  JP33  | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |  JP33  | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | CMOS memory normal operation     |  JP35  | pins 1 & 2 |
          |   | (Internal Battery)               |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | CMOS memory normal operation     |  JP35  | pins 2 & 3 |
          |   | (External Battery) or CMOS clear |        |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size | Bank 0  | Bank 1  | Bank 2  | Bank 3  | JP23 & JP32 |
          |------+---------+---------+---------+---------+-------------|
          | 1MB  |  (36)   |  NONE   |  NONE   |  NONE   | pins 1 & 2  |
          |      |  41256  |         |         |         |   closed    |
          |------+---------+---------+---------+---------+-------------|
          | 1MB  |  NONE   |  NONE   |   (4)   |  NONE   | pins 2 & 3  |
          |      |         |         | 256K x  |         |   closed    |
          |      |         |         |    9    |         |             |
          |------+---------+---------+---------+---------+-------------|
          | 2MB  |  (36)   |  (36)   |  NONE   |  NONE   | pins 1 & 2  |
          |      |  41256  |  41256  |         |         |   closed    |
          |------+---------+---------+---------+---------+-------------|
          | 2MB  |  NONE   |  NONE   |   (4)   |   (4)   | pins 2 & 3  |
          |      |         |         | 256K x  | 256K x  |   closed    |
          |      |         |         |    9    |    9    |             |
          |------+---------+---------+---------+---------+-------------|
          | 3MB  |  (36)   |  (36)   |   (4)   |  NONE   | pins 1 & 2  |
          |      |  41256  |  41256  | 256K x  |         |   closed    |
          |      |         |         |    9    |         |             |
          |------+---------+---------+---------+---------+-------------|
          | 4MB  |  (36)   |  NONE   |  NONE   |  NONE   | pins 1 & 2  |
          |      | 411000  |         |         |         |   closed    |
          |------+---------+---------+---------+---------+-------------|
          | 4MB  |  NONE   |  NONE   | (4) 1M  |  NONE   | pins 2 & 3  |
          |      |         |         |   x 9   |         |   closed    |
          |------+---------+---------+---------+---------+-------------|
          | 4MB  |  (36)   |  (36)   |   (4)   |  NONE   | pins 1 & 2  |
          |      |  41256  |  41256  | 256K x  |         |   closed    |
          |      |         |         |    9    |         |             |
          |------+---------+---------+---------+---------+-------------|
          | 5MB  |  (36)   |  (36)   |  NONE   |  NONE   | pins 1 & 2  |
          |      |  41256  | 411000  |         |         |   closed    |
          |------+---------+---------+---------+---------+-------------|
          | 5MB  |  (36)   |  (36)   |  NONE   |  NONE   | pins 1 & 2  |
          |      | 411000  |  41256  |         |         |   closed    |
          |------+---------+---------+---------+---------+-------------|
          | 5MB  |  NONE   |  NONE   |   (4)   | (4) 1M  | pins 2 & 3  |
          |      |         |         | 256K x  |   x 9   |   closed    |
          |      |         |         |    9    |         |             |
          |------+---------+---------+---------+---------+-------------|
          | 5MB  |  NONE   |  NONE   | (4) 1M  |   (4)   | pins 2 & 3  |
          |      |         |         |   x 9   | 256K x  |   closed    |
          |      |         |         |         |    9    |             |
          |------+---------+---------+---------+---------+-------------|
          | 6MB  |  (36)   |  (36)   | (4) 1M  |  NONE   | pins 1 & 2  |
          |      |  41256  |  41256  |   x 9   |         |   closed    |
          |------+---------+---------+---------+---------+-------------|
          | 6MB  |  (36)   |  (36)   |   (4)   |  NONE   | pins 1 & 2  |
          |      |  41256  | 411000  | 256K x  |         |   closed    |
          |      |         |         |    9    |         |             |
          |------+---------+---------+---------+---------+-------------|
          | 6MB  |  (36)   |  (36)   |   (4)   |  NONE   | pins 1 & 2  |
          |      | 411000  |  41256  | 256K x  |         |   closed    |
          |      |         |         |    9    |         |             |
          |------+---------+---------+---------+---------+-------------|
          | 7MB  |  (36)   |  (36)   | (4) 1M  |   (4)   | pins 1 & 2  |
          |      |  41256  |  41256  |   x 9   | 256K x  |   closed    |
          |      |         |         |         |    9    |             |
          |------+---------+---------+---------+---------+-------------|
          | 7MB  |  (36)   |  (36)   |   (4)   |   (4)   | pins 1 & 2  |
          |      |  41256  | 411000  | 256K x  | 256K x  |   closed    |
          |      |         |         |    9    |    9    |             |
          |------+---------+---------+---------+---------+-------------|
          | 7MB  |  (36)   |  (36)   |   (4)   |   (4)   | pins 1 & 2  |
          |      | 411000  |  41256  | 256K x  | 256K x  |   closed    |
          |      |         |         |    9    |    9    |             |
          |------+---------+---------+---------+---------+-------------|
          | 8MB  |  (36)   |  (36)   |  NONE   |  NONE   | pins 2 & 3  |
          |      | 411000  | 411000  |         |         |   closed    |
          |------+---------+---------+---------+---------+-------------|
          | 8MB  |  (36)   |  (36)   |  NONE   |  NONE   | pins 1 & 2  |
          |      | 411000  | 411000  |         |         |   closed    |
          |------+---------+---------+---------+---------+-------------|
          | 9MB  |  (36)   |  (36)   | (4) 1M  |  NONE   | pins 1 & 2  |
          |      |  41256  | 411000  |   x 9   |         |   closed    |
          |------+---------+---------+---------+---------+-------------|
          | 9MB  |  (36)   |  (36)   |   (4)   |  NONE   | pins 1 & 2  |
          |      | 411000  | 411000  | 256K x  |         |   closed    |
          |      |         |         |    9    |         |             |
          |------+---------+---------+---------+---------+-------------|
          | 9MB  |  (36)   |  (36)   | (4) 1M  |  NONE   | pins 1 & 2  |
          |      | 411000  |  41256  |   x 9   |         |   closed    |
          |------+---------+---------+---------+---------+-------------|
          | 10MB |  (36)   |  (36)   | (4) 1M  | (4) 1M  | pins 1 & 2  |
          |      |  41256  |  41256  |   x 9   |   x 9   |   closed    |
          |------+---------+---------+---------+---------+-------------|
          | 10MB |  (36)   |  (36)   | (4) 1M  |   (4)   | pins 1 & 2  |
          |      |  41256  | 411000  |   x 9   | 256K x  |   closed    |
          |      |         |         |         |    9    |             |
          |------+---------+---------+---------+---------+-------------|
          | 10MB |  (36)   |  (36)   |   (4)   |   (4)   | pins 1 & 2  |
          |      | 411000  | 411000  | 256K x  | 256K x  |   closed    |
          |      |         |         |    9    |    9    |             |
          |------+---------+---------+---------+---------+-------------|
          | 10MB |  (36)   |  (36)   | (4) 1M  |   (4)   | pins 1 & 2  |
          |      | 411000  |  41256  |   x 9   | 256K x  |   closed    |
          |      |         |         |         |    9    |             |
          |------+---------+---------+---------+---------+-------------|
          | 12MB |  (36)   |  (36)   | (4) 1M  |  NONE   | pins 1 & 2  |
          |      | 411000  | 411000  |   x 9   |         |   closed    |
          |------+---------+---------+---------+---------+-------------|
          | 13MB |  (36)   |  (36)   | (4) 1M  | (4) 1M  | pins 1 & 2  |
          |      |  41256  | 411000  |   x 9   |   x 9   |   closed    |
          |------+---------+---------+---------+---------+-------------|
          | 13MB |  (36)   |  (36)   | (4) 1M  |   (4)   | pins 1 & 2  |
          |      | 411000  | 411000  |   x 9   | 256K x  |   closed    |
          |      |         |         |         |    9    |             |
          |------+---------+---------+---------+---------+-------------|
          | 13MB |  (36)   |  (36)   | (4) 1M  | (4) 1M  | pins 1 & 2  |
          |      | 411000  |  41256  |   x 9   |   x 9   |   closed    |
          |------+---------+---------+---------+---------+-------------|
          | 16MB |  (36)   |  (36)   | (4) 1M  | (4) 1M  | pins 1 & 2  |
          |      | 411000  | 411000  |   x 9   |   x 9   |   closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size    |    Bank 0     |    Bank 1     |      TAG      |
          |------------+---------------+---------------+---------------|
          |    64KB    |  (8) 8K x 8   |  (8) 8K x 8   |  (3) 16K x 4  |
          |------------+---------------+---------------+---------------|
          |   128KB    |  (8) 64K x 8  |  (8) 64K x 8  |  (3) 16K x 4  |
          +------------------------------------------------------------+