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                                

<gopher://bitreich.org/I/th99/m/C-D/31285-1.png>
   

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