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                               
                                                                  

<gopher://bitreich.org/I/th99/m/I-L/31003-1.png>
   

   +------------------------------------------------------------+
   |                        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.                                                 |
   +------------------------------------------------------------+