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

   GA-586ATS

   Processor    Pentium                                           
   Processor    75/90/100/120/133/150/166/180/200MHz              
   Speed        
   Chip Set     Intel                                             
   Max. Onboard 128MB                                             
   DRAM         
   Cache        256/512KB                                         
   BIOS         Award                                             
   Dimensions   254mm x 218mm                                     
   I/O Options  32-bit PCI slots (4), floppy drive interface,     
                green PC connector, IDE interfaces (2), parallel  
                port, PS/2 mouse interface, serial ports (2),     
                cache slot                                        
   NPU Options  None                                              

<gopher://bitreich.org/I/th99/m/E-H/33067-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Parallel port     |   CN1    | Speaker          |    J6    |
   |-------------------+----------+------------------+----------|
   | Serial port 1     |   CN2    | Power LED &      |    J7    |
   |                   |          | keylock          |          |
   |-------------------+----------+------------------+----------|
   | Serial port 2     |   CN3    | Green PC         |    J8    |
   |                   |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | Floppy drive      |   CN4    | Green PC LED     |    J9    |
   | interface         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | IDE interface 1   |   CN6    | Reset switch     |   J10    |
   |-------------------+----------+------------------+----------|
   | IDE interface 2   |   CN7    | Turbo switch     |   J11    |
   |-------------------+----------+------------------+----------|
   | PS/2 mouse        |    J2    | Turbo LED        |   J12    |
   | interface         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | IDE interface LED |    J4    | 32-bit PCI slots |  PC1 -   |
   |                   |          |                  |   PC4    |
   |-------------------+----------+------------------+----------|
   | Chassis fan power |    J5    | Cache slot       |   SL1    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       8MB        |    (2) 1M x 32     |        NONE        |
   |------------------+--------------------+--------------------|
   |       16MB       |    (2) 2M x 32     |        NONE        |
   |------------------+--------------------+--------------------|
   |       16MB       |    (2) 1M x 32     |    (2) 1M x 32     |
   |------------------+--------------------+--------------------|
   |       24MB       |    (2) 2M x 32     |    (2) 1M x 32     |
   |------------------+--------------------+--------------------|
   |       24MB       |    (2) 1M x 32     |    (2) 2M x 32     |
   |------------------+--------------------+--------------------|
   |       32MB       |    (2) 4M x 32     |        NONE        |
   |------------------+--------------------+--------------------|
   |       32MB       |    (2) 2M x 32     |    (2) 2M x 32     |
   |------------------+--------------------+--------------------|
   |       40MB       |    (2) 4M x 32     |    (2) 1M x 32     |
   |------------------+--------------------+--------------------|
   |       40MB       |    (2) 1M x 32     |    (2) 4M x 32     |
   |------------------+--------------------+--------------------|
   |       48MB       |    (2) 4M x 32     |    (2) 2M x 32     |
   |------------------+--------------------+--------------------|
   |       48MB       |    (2) 2M x 32     |    (2) 4M x 32     |
   |------------------+--------------------+--------------------|
   |       64MB       |    (2) 8M x 32     |        NONE        |
   |------------------+--------------------+--------------------|
   |       64MB       |    (2) 4M x 32     |    (2) 4M x 32     |
   |------------------+--------------------+--------------------|
   |       72MB       |    (2) 8M x 32     |    (2) 1M x 32     |
   |------------------+--------------------+--------------------|
   |       72MB       |    (2) 1M x 32     |    (2) 8M x 32     |
   |------------------+--------------------+--------------------|
   |       80MB       |    (2) 8M x 32     |    (2) 2M x 32     |
   |------------------+--------------------+--------------------|
   |       80MB       |    (2) 2M x 32     |    (2) 8M x 32     |
   |------------------+--------------------+--------------------|
   |       96MB       |    (2) 8M x 32     |    (2) 4M x 32     |
   |------------------+--------------------+--------------------|
   |       96MB       |    (2) 4M x 32     |    (2) 8M x 32     |
   |------------------+--------------------+--------------------|
   |      128MB       |    (2) 8M x 32     |    (2) 8M x 32     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |   Size    |   Bank 0    |       TAG        |      SL1      |
   |-----------+-------------+------------------+---------------|
   | 256KB (A) | (8) 32K x 8 |  (1) 8K or (1)   | Not installed |
   |           |             |     32K x 8      |               |
   |-----------+-------------+------------------+---------------|
   | 256KB (B) |    NONE     |  (1) 8K or (1)   |   Installed   |
   |           |             |     32K x 8      |               |
   |-----------+-------------+------------------+---------------|
   | 512KB (A) | (8) 64K x 8 |  (1) 16K or (1)  | Not installed |
   |           |             |     32K x 8      |               |
   |-----------+-------------+------------------+---------------|
   | 512KB (B) |    NONE     |  (1) 16K or (1)  |   Installed   |
   |           |             |     32K x 8      |               |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |            Size            |              JP4              |
   |----------------------------+-------------------------------|
   |         256KB (A)          |       pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |         256KB (B)          |       pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |         512KB (A)          |       pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |         512KB (B)          |       pins 2 & 3 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   | Speed  |    JP8     |    JP9     |          JP11           |
   |--------+------------+------------+-------------------------|
   | 75MHz  | pins 1 & 2 | pins 1 & 2 |          Open           |
   |        |   closed   |   closed   |                         |
   |--------+------------+------------+-------------------------|
   | 90MHz  | pins 1 & 2 | pins 2 & 3 |          Open           |
   |        |   closed   |   closed   |                         |
   |--------+------------+------------+-------------------------|
   | 100MHz | pins 2 & 3 | pins 1 & 2 |          Open           |
   |        |   closed   |   closed   |                         |
   |--------+------------+------------+-------------------------|
   | 120MHz | pins 1 & 2 | pins 2 & 3 |    pins 1 & 2 closed    |
   |        |   closed   |   closed   |                         |
   |--------+------------+------------+-------------------------|
   | 133MHz | pins 2 & 3 | pins 1 & 2 |    pins 1 & 2 closed    |
   |        |   closed   |   closed   |                         |
   |--------+------------+------------+-------------------------|
   | 150MHz | pins 1 & 2 | pins 2 & 3 |    pins 1 & 2, 3 & 4    |
   |        |   closed   |   closed   |         closed          |
   |--------+------------+------------+-------------------------|
   | 166MHz | pins 2 & 3 | pins 1 & 2 |    pins 1 & 2, 3 & 4    |
   |        |   closed   |   closed   |         closed          |
   |--------+------------+------------+-------------------------|
   | 180MHz | pins 1 & 2 | pins 2 & 3 |    pins 3 & 4 closed    |
   |        |   closed   |   closed   |                         |
   |--------+------------+------------+-------------------------|
   | 200MHz | pins 2 & 3 | pins 1 & 2 |    pins 3 & 4 closed    |
   |        |   closed   |   closed   |                         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CPU VOLTAGE CONFIGURATION                  |
   |------------------------------------------------------------|
   |           Voltage           |      JP6      |     JP7      |
   |-----------------------------+---------------+--------------|
   | 2.5v/3.3v (except for P55C) |     Open      |     Open     |
   |-----------------------------+---------------+--------------|
   |            3.3v             |    Closed     |    Closed    |
   +------------------------------------------------------------+