(TXT) View Source
       
       # ARNOS INSTRUMENTS & COMPUTER SYSTEMS, INC.
       
          386C MK III
       
          Processor             80386DX                                  
          Processor Speed       33/40MHz                                 
          Chip Set              None                                     
          Max. Onboard DRAM     16MB                                     
          Cache                 64/128/256KB                             
          BIOS                  Phoenix                                  
          Dimensions            330mm x 218mm                            
          I/O Options           None                                     
          NPU Options           80387/3167                               
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose             | Location | Purpose        | Location |
          |---------------------+----------+----------------+----------|
          | External battery    |    X4    | Turbo switch   |   X11    |
          |---------------------+----------+----------------+----------|
          | Status display      |    X6    | Reset switch   |   X15    |
          |---------------------+----------+----------------+----------|
          | Speaker             |    X7    | Turbo LED      |   X16    |
          |---------------------+----------+----------------+----------|
          | Power LED & keylock |    X8    |                |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |           Function            | Jumper/Switch |  Position  |
          |-------------------------------+---------------+------------|
          | » | Battery installed < 5VDC  |      S1       | pins 1 & 2 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | Battery installed > 5VDC  |      S1       | pins 2 & 3 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | CPU speed select          |      S2       | pins 1 & 2 |
          |   | switchable at keyboard    |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | CPU speed select          |      S2       | pins 2 & 3 |
          |   | switchable at turbo       |               |   closed   |
          |   | switch                    |               |            |
          |---+---------------------------+---------------+------------|
          | » | Monitor type select       |      S3       |    Open    |
          |   | monochrome                |               |            |
          |---+---------------------------+---------------+------------|
          |   | Monitor type select color |      S3       |   Closed   |
          |---+---------------------------+---------------+------------|
          | » | NPU disabled              |     SW1/1     |    Off     |
          |---+---------------------------+---------------+------------|
          |   | NPU enabled               |     SW1/1     |     On     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM SWITCH CONFIGURATION                  |
          |------------------------------------------------------------|
          |     Size     |     SW1/2     |    SW1/3     |    SW1/4     |
          |--------------+---------------+--------------+--------------|
          |     1MB      |      On       |      On      |      On      |
          |--------------+---------------+--------------+--------------|
          |     2MB      |      On       |      On      |     Off      |
          |--------------+---------------+--------------+--------------|
          |     4MB      |      On       |     Off      |      On      |
          |--------------+---------------+--------------+--------------|
          |     8MB      |      On       |     Off      |     Off      |
          |--------------+---------------+--------------+--------------|
          |     16MB     |      Off      |      On      |      On      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |  Size  |   Bank 0   |   Bank 1   | TAG (D52)  | TAG (D56)  |
          |--------+------------+------------+------------+------------|
          |  64KB  | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 | (1) 8K x 8 |
          |--------+------------+------------+------------+------------|
          | 128KB  | (4) 32K x  |    NONE    | (1) 32K x  |    NONE    |
          |        |     8      |            |     8      |            |
          |--------+------------+------------+------------+------------|
          | 256KB  | (4) 32K x  | (4) 32K x  | (1) 32K x  | (1) 32K x  |
          |        |     8      |     8      |     8      |     8      |
          |------------------------------------------------------------|
          | Note: Bank 0 = D17, D27, D35, & D39. Bank 1 = D9, D26,     |
          | D28, & D44.                                                |
          +------------------------------------------------------------+