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       # CAF TECHNOLOGY, INC.
       
          C747 (Ver. 002)
       
          Processor    80386DX/CX486DLC/80486SX/80487SX/80486DX/80486DX2 
          Processor    20/25/33/40/50(internal)/50/66(internal)MHz       
          Speed        
          Chip Set     EFAR                                              
          Max. Onboard 32MB                                              
          DRAM         
          SRAM Cache   64/256KB                                          
          BIOS         AMI                                               
          Dimensions   331mm x 219mm                                     
          I/O Options  Floppy drive interface, game port, IDE interface, 
                       parallel port, serial port (2)                    
          NPU Options  80387/CX83D87/3167                                
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | External battery  |    J3    | Floppy drive     |   CN1    |
          |                   |          | interface        |          |
          |-------------------+----------+------------------+----------|
          | IDE interface LED |    J5    | Serial port 1    |   CN2    |
          |-------------------+----------+------------------+----------|
          | Reset switch      |    J6    | Serial port 2    |   CN3    |
          |-------------------+----------+------------------+----------|
          | Speaker           |    J7    | IDE interface    |   CN4    |
          |-------------------+----------+------------------+----------|
          | Turbo switch      |    J8    | Parallel port    |   CN5    |
          |-------------------+----------+------------------+----------|
          | Turbo LED         |    J9    | Game port        |   CN6    |
          |-------------------+----------+------------------+----------|
          | Power LED &       |   J10    |                  |          |
          | keylock           |          |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Monitor type select color        |  JP1   |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |  JP1   |    open    |
          |---+----------------------------------+--------+------------|
          | » | CMOS memory normal operation     |  JP6   | pins 2 & 3 |
          |   | (internal battery)               |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | CMOS memory normal operation     |  JP6   |    open    |
          |   | (external battery)               |        |            |
          |---+----------------------------------+--------+------------|
          |   | CMOS memory clear                |  JP6   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 SRAM JUMPER CONFIGURATION                  |
          |------------------------------------------------------------|
          |   Size    |    JP2     |    JP7     |    JP8     |   JP9   |
          |-----------+------------+------------+------------+---------|
          |   64KB    |    open    |    open    |    open    |  open   |
          |-----------+------------+------------+------------+---------|
          |   256KB   |   closed   |   closed   |   closed   |  open   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     SRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |        TAG         |
          |------------------+--------------------+--------------------|
          |       64KB       |     (8) 8K x 8     |     (1) 8K x 8     |
          |------------------+--------------------+--------------------|
          |      256KB       |    (8) 32K x 8     |    (1) 32K x 8     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |      CPU       |      JP3       |    JP4    |     JP5      |
          |----------------+----------------+-----------+--------------|
          |   80486DX2 1   |   pins 1 & 2   |  closed   |  pins 2 & 3  |
          |                |     closed     |           |    closed    |
          |----------------+----------------+-----------+--------------|
          |   80486DX 1    |   pins 1 & 2   |  closed   |  pins 2 & 3  |
          |                |     closed     |           |    closed    |
          |----------------+----------------+-----------+--------------|
          |   80487SX 1    |   pins 1 & 2   |  closed   |  pins 1 & 2  |
          |                |     closed     |           |    closed    |
          |----------------+----------------+-----------+--------------|
          |   CX486DLC 2   |      N/A       |    N/A    |     N/A      |
          |----------------+----------------+-----------+--------------|
          |   80486SX 1    |   pins 2 & 3   |   open    |     open     |
          |                |     closed     |           |              |
          |----------------+----------------+-----------+--------------|
          |   80368DX 2    |      N/A       |    N/A    |     N/A      |
          |------------------------------------------------------------|
          | Note 1 :Jumpers JP10, JP11, JP12, JP13, JP14, JP15, JP16,  |
          | JP17, JP18, JP19, JP20, pins 2 & 3 closed.                 |
          |                                                            |
          | Note 2 :Jumpers JP10, JP11, JP12, JP13, JP14, JP15, JP16,  |
          | JP17, JP18, JP19, JP20, pins 1 & 2 closed.                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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        |
          |------------------+--------------------+--------------------|
          |       5MB        |     (4) 1M x 9     |    (4) 256K x 9    |
          |------------------+--------------------+--------------------|
          |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       16MB       |     (4) 4M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       20MB       |     (4) 4M x 9     |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
          |------------------+--------------------+--------------------|
          |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU CLOCK CONFIGURATION                   |
          |------------------------------------------------------------|
          |     CPU     |  JP21  |  JP22  |  JP23  |       JP30        |
          |-------------+--------+--------+--------+-------------------|
          |  80486-50   |  open  |  open  |  open  | pins 2 & 3 closed |
          |-------------+--------+--------+--------+-------------------|
          |  80486-40   |  open  |  open  | closed | pins 2 & 3 closed |
          |-------------+--------+--------+--------+-------------------|
          |  80486-33   | closed |  open  |  open  | pins 2 & 3 closed |
          |             |        |        |        |                   |
          | 80486DX2-66 |        |        |        |                   |
          |-------------+--------+--------+--------+-------------------|
          |  80486-25   | closed |  open  | closed | pins 2 & 3 closed |
          |             |        |        |        |                   |
          | 80486DX2-50 |        |        |        |                   |
          |-------------+--------+--------+--------+-------------------|
          |  80386-40   |  open  |  open  | closed | pins 1 & 2 closed |
          |             |        |        |        |                   |
          | CX486DLC-40 |        |        |        |                   |
          |-------------+--------+--------+--------+-------------------|
          |  80386-33   | closed |  open  |  open  | pins 1 & 2 closed |
          |             |        |        |        |                   |
          | CX486DLC-33 |        |        |        |                   |
          |-------------+--------+--------+--------+-------------------|
          |  80386-25   | closed |  open  | closed | pins 1 & 2 closed |
          |-------------+--------+--------+--------+-------------------|
          |  80386-20   |  open  | closed |  open  | pins 1 & 2 closed |
          |             |        |        |        |                   |
          |  80486-20   |        |        |        |                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                I/O CONTROLLER CONFIGURATION                |
          |------------------------------------------------------------|
          |            Device            | Jumper | Enabled | Disabled |
          |------------------------------+--------+---------+----------|
          |       Game port (CN6)        |  JP24  |  open   |  closed  |
          |------------------------------+--------+---------+----------|
          |     IDE interface (CN4)      |  JP25  |  open   |  closed  |
          |------------------------------+--------+---------+----------|
          |     Parallel port (CN5)      |  JP26  |  open   |  closed  |
          |------------------------------+--------+---------+----------|
          | Floppy drive interface (CN1) |  JP27  |  open   |  closed  |
          |------------------------------+--------+---------+----------|
          |          COM1 (CN2)          |  JP28  |  open   |  closed  |
          |------------------------------+--------+---------+----------|
          |          COM2 (CN3)          |  JP29  |  open   |  closed  |
          +------------------------------------------------------------+