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                                 

<gopher://bitreich.org/I/th99/m/E-H/31812-1.png>
   

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