(TXT) View Source
       
       # UNIDENTIFIED
       
          ELT-286B-120GM
       
          Processor             80286                                    
          Processor Speed       10/12MHz                                 
          Chip Set              G-2                                      
          Max. Onboard DRAM     4MB                                      
          Cache                 None                                     
          BIOS                  AMI/Phoenix                              
          Dimensions            220mm x 220mm                            
          I/O Options           None                                     
          NPU Options           80287                                    
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | Turbo LED         |    J5    | External battery |   J24    |
          |-------------------+----------+------------------+----------|
          | Power LED &       |   J18    | Turbo switch     |   J25    |
          | keylock           |          |                  |          |
          |-------------------+----------+------------------+----------|
          | Speaker           |   J19    | Reset switch     |   J30    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |           Function            | Jumper/Switch |  Position  |
          |-------------------------------+---------------+------------|
          | » | Factory configured - do   |    DSW1/1     |    N/A     |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | NPU mode select           |      JNP      | pins 1 & 2 |
          |   | synchronous with CPU      |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | NPU mode select           |      JNP      | pins 2 & 3 |
          |   | asynchronous with CPU     |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | Wait state select         |      JP2      | pins 1 & 2 |
          |   | CTRL-ALT-0 = 0 wait,      |               |   closed   |
          |   | CTRL-ALT-1 is 1 wait      |               |            |
          |---+---------------------------+---------------+------------|
          |   | Wait states select zero   |      JP2      | pins 2 & 3 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | Wait state select one     |      JP2      |    Open    |
          |---+---------------------------+---------------+------------|
          | » | Factory test disabled     |     JP22      |    Open    |
          |---+---------------------------+---------------+------------|
          |   | Factory test enabled      |     JP22      |   Closed   |
          |---+---------------------------+---------------+------------|
          | » | CPU speed select          |     JP25      |    Open    |
          |   | switchable from keyboard  |               |            |
          |---+---------------------------+---------------+------------|
          |   | CPU speed select fast     |     JP25      |   Closed   |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |      JPX      |    N/A     |
          |   | not alter                 |               |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  | Bank 0 | Bank 1 | Bank 2 | Bank 3 | Bank 4 | Bank  |
          |       |        |        |        |        |        |   5   |
          |-------+--------+--------+--------+--------+--------+-------|
          | 256KB |  (4)   |  (2)   |  NONE  |  NONE  |  NONE  | NONE  |
          |       | 44256  | 41256  |        |        |        |       |
          |-------+--------+--------+--------+--------+--------+-------|
          | 256KB |  NONE  |  NONE  |  NONE  |  NONE  |  (2)   | NONE  |
          |       |        |        |        |        | 256K x |       |
          |       |        |        |        |        |   9    |       |
          |-------+--------+--------+--------+--------+--------+-------|
          | 512KB |  (4)   |  (2)   |  NONE  |  NONE  |  NONE  | NONE  |
          |       | 44256  | 41256  |        |        |        |       |
          |-------+--------+--------+--------+--------+--------+-------|
          | 512KB |  NONE  |  NONE  |  NONE  |  NONE  |  (2)   | NONE  |
          |       |        |        |        |        | 256K x |       |
          |       |        |        |        |        |   9    |       |
          |-------+--------+--------+--------+--------+--------+-------|
          | 640KB |  (4)   |  (2)   |  (4)   |  (4)   |  NONE  | NONE  |
          |       | 44256  | 41256  |  4464  |  4164  |        |       |
          |-------+--------+--------+--------+--------+--------+-------|
          | 640KB |  NONE  |  NONE  |  (4)   |  (4)   |  (2)   | NONE  |
          |       |        |        |  4464  |  4164  | 256K x |       |
          |       |        |        |        |        |   9    |       |
          |-------+--------+--------+--------+--------+--------+-------|
          |  1MB  |  (4)   |  (2)   |  (4)   |  (2)   |  NONE  | NONE  |
          |       | 44256  | 41256  | 44256  | 41256  |        |       |
          |-------+--------+--------+--------+--------+--------+-------|
          |  1MB  |  NONE  |  NONE  |  NONE  |  NONE  |  (2)   |  (2)  |
          |       |        |        |        |        | 256K x | 256K  |
          |       |        |        |        |        |   9    |  x 9  |
          |-------+--------+--------+--------+--------+--------+-------|
          |  2MB  |  NONE  |  NONE  |  NONE  |  NONE  | (2) 1M | NONE  |
          |       |        |        |        |        |  x 9   |       |
          |-------+--------+--------+--------+--------+--------+-------|
          |  4MB  |  NONE  |  NONE  |  NONE  |  NONE  | (2) 1M |  (2)  |
          |       |        |        |        |        |  x 9   | 1M x  |
          |       |        |        |        |        |        |   9   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM SWITCH CONFIGURATION                  |
          |------------------------------------------------------------|
          |     Size     |    DSW1/2     |    DSW1/3    |    DSW1/4    |
          |--------------+---------------+--------------+--------------|
          |    256KB     |      On       |      On      |      On      |
          |--------------+---------------+--------------+--------------|
          |    512KB     |      On       |      On      |     Off      |
          |--------------+---------------+--------------+--------------|
          |    640KB     |      On       |     Off      |      On      |
          |--------------+---------------+--------------+--------------|
          |     1MB      |      On       |     Off      |     Off      |
          |--------------+---------------+--------------+--------------|
          |     2MB      |      Off      |     Off      |      On      |
          |--------------+---------------+--------------+--------------|
          |     4MB      |      Off      |     Off      |     Off      |
          +------------------------------------------------------------+