(TXT) View Source
       
       # INFORMTECH INTERNATIONAL, INC.
       
          IT386LM CACHE
       
                                                                         
          Processor             80386DX                                  
          Processor Speed       33/40MHz                                 
          Chip Set              Headland                                 
          Max. Onboard DRAM     32MB                                     
          Cache                 32/128KB                                 
          BIOS                  AMI                                      
          Dimensions            330mm x 218mm                            
          I/O Options           None                                     
          NPU Options           80387/3167                               
                                                                         
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose             | Location | Purpose        | Location |
          |---------------------+----------+----------------+----------|
          | External battery    |  JP105   | Turbo LED      |    P3    |
          |---------------------+----------+----------------+----------|
          | Auxiliary keyboard  |  JP107   | Reset switch   |    P7    |
          |---------------------+----------+----------------+----------|
          | Speaker             |    P1    | Turbo switch   |    P8    |
          |---------------------+----------+----------------+----------|
          | Power LED & keylock |    P2    |                |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | I/O recovery delay (for slower   |  JP13  |    Open    |
          |   | cards) disabled                  |        |            |
          |---+----------------------------------+--------+------------|
          |   | I/O recovery delay (for slower   |  JP13  |   Closed   |
          |   | cards) enabled                   |        |            |
          |---+----------------------------------+--------+------------|
          | » | CPU speed select 33MHz           | JP101  | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | CPU speed select 40MHz           | JP101  | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | NPU mode select synchronous with | JP102  |    Open    |
          |   | CPU                              |        |            |
          |---+----------------------------------+--------+------------|
          |   | NPU mode select asynchronous     | JP102  |   Closed   |
          |   | with CPU                         |        |            |
          |---+----------------------------------+--------+------------|
          | » | CMOS memory normal operation     | JP104  |    Open    |
          |---+----------------------------------+--------+------------|
          |   | CMOS memory clear                | JP104  |   Closed   |
          |---+----------------------------------+--------+------------|
          | » | Battery select internal 3.6VDC   | JP106  | pins 1 & 3 |
          |   | with current limiting resistor   |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Battery select internal 4.5VDC   | JP106  | pins 3 & 4 |
          |   | alkaline                         |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Battery select external 6VDC     | JP106  | pins 2 & 4 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Battery select external 6VDC     | JP106  | pins 1 & 2 |
          |   | with current limiting resistor   |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select color        |   P4   |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |   P4   |    Open    |
          |------------------------------------------------------------|
          | Note:Jumpers JP101 and JP102 may not be present on all     |
          | board revisions.                                           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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) 256K x 9    |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       16MB       |     (4) 4M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       17MB       |    (4) 256K x 9    |     (4) 4M x 9     |
          |------------------+--------------------+--------------------|
          |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
          |------------------+--------------------+--------------------|
          |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |            Size            |            Bank 0             |
          |----------------------------+-------------------------------|
          |            32KB            |          (4) 8K x 8           |
          |----------------------------+-------------------------------|
          |           128KB            |          (4) 32K x 8          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |            Size             |             JP10             |
          |-----------------------------+------------------------------|
          |            32KB             |            Closed            |
          |-----------------------------+------------------------------|
          |            128KB            |             Open             |
          |------------------------------------------------------------|
          | Note:Jumper JP10 may be named JP100 on some board          |
          | revisions.                                                 |
          +------------------------------------------------------------+