GIGA-BYTE TECHNOLOGY CO., LTD
=============================

   GA-386TS

   Processor             80386DX                                  
   Processor Speed       33/40MHz                                 
   Chip Set              OPTI                                     
   Max. Onboard DRAM     32MB                                     
   SRAM Cache            64/128/256KB                             
   BIOS                  AMI/MR                                   
   Dimensions            330mm x 218mm                            
   I/O Options           32-bit external memory card slot         
   NPU Options           80387/3167                               

<gopher://bitreich.org/I/th99/m/E-H/30353-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Speaker           |    J1    | 32-bit external  |    S1    |
   |                   |          | memory card      |          |
   |-------------------+----------+------------------+----------|
   | Power LED &       |    J2    | Turbo switch     |   SW1    |
   | Keylock           |          |                  |          |
   |-------------------+----------+------------------+----------|
   | External battery  |    J3    | Reset switch     |   SW2    |
   |-------------------+----------+------------------+----------|
   | Turbo LED         |   JP1    |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               | Jumper  |  Position  |
   |-------------------------------------+---------+------------|
   |>>  | Monitor type select color      |   JP8   |   closed   |
   |----+--------------------------------+---------+------------|
   |    | Monitor type select monochrome |   JP8   |    open    |
   |----+--------------------------------+---------+------------|
   |>>  | CMOS memory normal operation   |   JP9   | pins 1 & 2 |
   |    |                                |         |   closed   |
   |----+--------------------------------+---------+------------|
   |    | CMOS memory clear              |   JP9   | pins 2 & 3 |
   |    |                                |         |   closed   |
   |------------------------------------------------------------|
   | Note:The location of JP9 may differ depending on the board |
   | revision.                                                  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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   |  (3) 4K x 4   |
   |------------+---------------+---------------+---------------|
   |   128KB    |  (4) 32K x 8  |     NONE      |  (3) 16K x 4  |
   |------------+---------------+---------------+---------------|
   |   256KB    |  (4) 32K x 8  |  (4) 32K x 8  |  (3) 16K x 4  |
   |------------------------------------------------------------|
   | Note:Pins designated should be in the closed position.     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   | Size  |       JP2       |    JP4     |    JP5     |  JP6   |
   |-------+-----------------+------------+------------+--------|
   | 64KB  |   pins 2 & 3    | pins 1 & 2 | pins 1 & 2 |  Open  |
   |       |     closed      |   closed   |   closed   |        |
   |-------+-----------------+------------+------------+--------|
   | 128KB |   pins 2 & 3    | pins 2 & 3 | pins 1 & 2 | Closed |
   |       |     closed      |   closed   |   closed   |        |
   |-------+-----------------+------------+------------+--------|
   | 256KB |   pins 1 & 2    | pins 2 & 3 | pins 2 & 3 | Closed |
   |       |     closed      |   closed   |   closed   |        |
   +------------------------------------------------------------+