(TXT) View Source
       
       # JETPRO INFOTECH COMPANY, LTD.
       
          MB-3M(MB-340C4M)
       
          Processor             80386DX/CX486DLC                         
          Processor Speed       25/33/40MHz                              
          Chip Set              MXIC                                     
          Max. Onboard DRAM     32MB                                     
          SRAM Cache            8KB                                      
          BIOS                  AMI/Award                                
          Dimensions            220mm x 220mm                            
          I/O Options           None                                     
          NPU Options           80387/3167/CX83D87                       
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose          | Location | Purpose           | Location |
          |------------------+----------+-------------------+----------|
          | Turbo LED        |    D4    | Reset switch      |    J5    |
          |------------------+----------+-------------------+----------|
          | External battery |    J3    | Speaker           |    J6    |
          |------------------+----------+-------------------+----------|
          | Turbo switch     |    J4    | Power LED &       |    J7    |
          |                  |          | keylock           |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Jumper |   Position   |
          |------------------------------------+--------+--------------|
          | » | CMOS memory normal operation   |  JP1   |  pins 2 & 3  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          |   | CMOS memory clear              |  JP1   |  pins 1 & 2  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          | » | RTC type select 146818         |  JP2   |  pins 1 & 2  |
          |   |                                |        |    closed    |
          |   |                                |  JP3   |              |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          |   | RTC type select DS1287         |  JP2   |  pins 2 & 3  |
          |   |                                |        |    closed    |
          |   |                                |  JP3   |              |
          |   |                                |        |     open     |
          |---+--------------------------------+--------+--------------|
          | » | Monitor type select color      |  JP4   |    closed    |
          |---+--------------------------------+--------+--------------|
          |   | Monitor type select monochrome |  JP4   |     open     |
          |---+--------------------------------+--------+--------------|
          | » | CPU select 80386DX             |  JP5   |  pins 1 & 2  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          |   | CPU select CX486DLC            |  JP5   |  pins 2 & 3  |
          |   |                                |        |    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     |
          |------------------+--------------------+--------------------|
          |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
          +------------------------------------------------------------+