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       # GIGA-BYTE TECHNOLOGY CO., LTD.
       
          GA-586IM (Version 1 & Version 2)
       
          Processor         Pentium                                      
          Processor Speed   60/66MHz                                     
          Chip Set          Mercury                                      
          Max. Onboard DRAM 192MB                                        
          Cache             256/512KB                                    
          BIOS              Award                                        
          Dimensions        330mm x 218mm                                
          I/O Options       32-bit PCI local bus slots (3)               
          NPU Options       None                                         
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose       | Location | Purpose              | Location |
          |---------------+----------+----------------------+----------|
          | Reset switch  |    J7    | Chassis fan power    |   J14    |
          |---------------+----------+----------------------+----------|
          | Power LED &   |   J10    | 32-bit PCI Local bus |    S1    |
          | keylock       |          | slot                 |          |
          |---------------+----------+----------------------+----------|
          | Speaker       |   J11    | 32-bit PCI Local bus |    S2    |
          |               |          | slot                 |          |
          |---------------+----------+----------------------+----------|
          | Turbo switch  |   J12    | 32-bit PCI Local bus |    S3    |
          |               |          | slot                 |          |
          |---------------+----------+----------------------+----------|
          | Turbo LED     |   J13    |                      |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size    |    Bank 0     |    Bank 1     |    Bank 2     |
          |------------+---------------+---------------+---------------|
          |    2MB     |  (2) 1M x 36  |     NONE      |     NONE      |
          |------------+---------------+---------------+---------------|
          |    4MB     |  (2) 1M x 36  |  (2) 1M x 36  |     NONE      |
          |------------+---------------+---------------+---------------|
          |    4MB     |  (2) 2M x 36  |     NONE      |     NONE      |
          |------------+---------------+---------------+---------------|
          |    6MB     |  (2) 1M x 36  |  (2) 1M x 36  |  (2) 1M x 36  |
          |------------+---------------+---------------+---------------|
          |    8MB     |  (2) 2M x 36  |  (2) 2M x 36  |     NONE      |
          |------------+---------------+---------------+---------------|
          |    8MB     |  (2) 4M x 36  |     NONE      |     NONE      |
          |------------+---------------+---------------+---------------|
          |    12MB    |  (2) 2M x 36  |  (2) 2M x 36  |  (2) 2M x 36  |
          |------------+---------------+---------------+---------------|
          |    12MB    |  (2) 4M x 36  |  (2) 2M x 36  |     NONE      |
          |------------+---------------+---------------+---------------|
          |    16MB    |  (2) 4M x 36  |  (2) 2M x 36  |  (2) 2M x 36  |
          |------------+---------------+---------------+---------------|
          |    16MB    |  (2) 4M x 36  |  (2) 4M x 36  |     NONE      |
          |------------+---------------+---------------+---------------|
          |    16MB    |  (2) 8M x 36  |     NONE      |     NONE      |
          |------------+---------------+---------------+---------------|
          |    20MB    |  (2) 4M x 36  |  (2) 4M x 36  |  (2) 2M x 36  |
          |------------+---------------+---------------+---------------|
          |    20MB    |  (2) 8M x 36  |  (2) 2M x 36  |     NONE      |
          |------------+---------------+---------------+---------------|
          |    24MB    |  (2) 4M x 36  |  (2) 4M x 36  |  (2) 4M x 36  |
          |------------+---------------+---------------+---------------|
          |    24MB    |  (2) 8M x 36  |  (2) 2M x 36  |  (2) 2M x 36  |
          |------------+---------------+---------------+---------------|
          |    24MB    |  (2) 8M x 36  |  (2) 4M x 36  |     NONE      |
          |------------+---------------+---------------+---------------|
          |    32MB    | (2) 16M x 36  |     NONE      |     NONE      |
          |------------+---------------+---------------+---------------|
          |    32MB    |  (2) 8M x 36  |  (2) 8M x 36  |     NONE      |
          |------------+---------------+---------------+---------------|
          |    32MB    |  (2) 8M x 36  |  (2) 4M x 36  |  (2) 4M x 36  |
          |------------+---------------+---------------+---------------|
          |    48MB    | (2) 16M x 36  |  (2) 8M x 36  |     NONE      |
          |------------+---------------+---------------+---------------|
          |    48MB    | (2) 16M x 36  |  (2) 4M x 36  |  (2) 4M x 36  |
          |------------+---------------+---------------+---------------|
          |    48MB    |  (2) 8M x 36  |  (2) 8M x 36  |  (2) 8M x 36  |
          |------------+---------------+---------------+---------------|
          |    64MB    | (2) 32M x 36  |     NONE      |     NONE      |
          |------------+---------------+---------------+---------------|
          |    64MB    | (2) 16M x 36  | (2) 16M x 36  |     NONE      |
          |------------+---------------+---------------+---------------|
          |    64MB    | (2) 16M x 36  |  (2) 8M x 36  |  (2) 8M x 36  |
          |------------+---------------+---------------+---------------|
          |    96MB    | (2) 32M x 36  | (2) 16M x 36  |     NONE      |
          |------------+---------------+---------------+---------------|
          |    96MB    | (2) 32M x 36  |  (2) 8M x 36  |  (2) 8M x 36  |
          |------------+---------------+---------------+---------------|
          |    96MB    | (2) 16M x 36  | (2) 16M x 36  | (2) 16M x 36  |
          |------------+---------------+---------------+---------------|
          |   128MB    | (2) 32M x 36  | (2) 32M x 36  |     NONE      |
          |------------+---------------+---------------+---------------|
          |   128MB    | (2) 32M x 36  | (2) 16M x 36  | (2) 16M x 36  |
          |------------+---------------+---------------+---------------|
          |   192MB    | (2) 32M x 36  | (2) 32M x 36  | (2) 32M x 36  |
          |------------------------------------------------------------|
          | Note:On Version 1, Bank 2 may not be present.              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Cache        |         J8         |
          |------------------+--------------------+--------------------|
          |      256KB       |      32K x 8       | pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |      512KB       |  64K x 8/128K x 8  | pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |           Speed            |              J17              |
          |----------------------------+-------------------------------|
          |           60MHz            |       pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |           66MHz            |       pins 2 & 3 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   PCI INTERUPT SELECTION                   |
          |------------------------------------------------------------|
          |   IRQ   |    J18     |    J19     |    J20     |    J21    |
          |---------+------------+------------+------------+-----------|
          |    9    |   Closed   |    Open    |    Open    |   Open    |
          |---------+------------+------------+------------+-----------|
          |   10    |    Open    |   Closed   |    Open    |   Open    |
          |---------+------------+------------+------------+-----------|
          |   11    |    Open    |    Open    |   Closed   |   Open    |
          |---------+------------+------------+------------+-----------|
          |   14    |    Open    |    Open    |    Open    |  Closed   |
          +------------------------------------------------------------+