(TXT) View Source
       
       # INFORMTECH INTERNATIONAL, INC.
       
          486VL
       
          Processor         80486SX/80487SX/ODP486SX/80486DX/80486DX2    
          Processor Speed   25/33/50(internal)/66(internal)MHz           
          Chip Set          UMC                                          
          Max. Onboard DRAM 32MB                                         
          Cache             64/128/256KB                                 
          BIOS              AMI                                          
          Dimensions        330mm x 218mm                                
          I/O Options       None                                         
          NPU Options       None                                         
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose       | Location | Purpose              | Location |
          |---------------+----------+----------------------+----------|
          | Power LED &   |    J1    | Reset switch         |    J5    |
          | keylock       |          |                      |          |
          |---------------+----------+----------------------+----------|
          | Speaker       |    J2    | External battery     |    J6    |
          |---------------+----------+----------------------+----------|
          | Turbo switch  |    J3    | 32-bit VESA local    |  SL1 &   |
          |               |          | bus slots            |   SL2    |
          |---------------+----------+----------------------+----------|
          | Turbo LED     |    J4    |                      |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper  | Position  |
          |--------------------------------------+---------+-----------|
          | » | Monitor type select color        |   W1    |  Closed   |
          |---+----------------------------------+---------+-----------|
          |   | Monitor type select monochrome   |   W1    |   Open    |
          |---+----------------------------------+---------+-----------|
          | » | CMOS memory normal operation     |   W14   |  Closed   |
          |---+----------------------------------+---------+-----------|
          |   | CMOS memory clear                |   W14   |   Open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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        |
          |------------------+--------------------+--------------------|
          |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       16MB       |     (4) 4M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
          |------------------+--------------------+--------------------|
          |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size    |    Bank 0     |    Bank 1     |      TAG      |
          |------------+---------------+---------------+---------------|
          |    64KB    |  (4) 8K x 8   |  (4) 8K x 8   |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |   128KB    |  (4) 32K x 8  |     NONE      |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |   256KB    |  (4) 32K x 8  |  (4) 32K x 8  |  (1) 32K x 8  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |   Size    |     W6     |    W7     |    W8     |    W9     |
          |-----------+------------+-----------+-----------+-----------|
          |   64KB    |    Open    |   Open    |   Open    |   Open    |
          |-----------+------------+-----------+-----------+-----------|
          |   128KB   |    Open    |  Closed   |   Open    |   Open    |
          |-----------+------------+-----------+-----------+-----------|
          |   256KB   |   Closed   |  Closed   |  Closed   |  Closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             CACHE JUMPER CONFIGURATION (CON’T)             |
          |------------------------------------------------------------|
          | Size  |     W10     |    W11     |    W12     |    W13     |
          |-------+-------------+------------+------------+------------|
          | 64KB  | pins 1 & 2  |    Off     | pins 1 & 2 | pins 1 & 2 |
          |       |   closed    |            |   closed   |   closed   |
          |-------+-------------+------------+------------+------------|
          | 128KB | pins 2 & 3  | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
          |       |   closed    |   closed   |   closed   |   closed   |
          |-------+-------------+------------+------------+------------|
          | 256KB | pins 1 & 2  | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
          |       |   closed    |   closed   |   closed   |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |  CPU Type  |            W2            |         W3         |
          |------------+--------------------------+--------------------|
          |  80486SX   |    pins 2 & 3 closed     |        Open        |
          |------------+--------------------------+--------------------|
          |  80487SX   | pins 1 & 2, 3 & 4 closed | pins 1 & 2 closed  |
          |------------+--------------------------+--------------------|
          |  ODP486SX  | pins 1 & 2, 3 & 4 closed | pins 1 & 2 closed  |
          |------------+--------------------------+--------------------|
          |  80486DX   | pins 1 & 2, 3 & 4 closed | pins 2 & 3 closed  |
          |------------+--------------------------+--------------------|
          |  80486DX2  | pins 1 & 2, 3 & 4 closed | pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |          VESA WAIT STATE/BUS SPEED CONFIGURATION           |
          |------------------------------------------------------------|
          |   CPU speed   |  Wait states  |      W4      |     W5      |
          |---------------+---------------+--------------+-------------|
          |    < 33MHz    | 0 wait states |     Open     |    Open     |
          |---------------+---------------+--------------+-------------|
          |    > 33MHz    | 1 wait state  |    Closed    |   Closed    |
          +------------------------------------------------------------+