(TXT) View Source
       
       # UNIDENTIFIED
       
          ENDAT-386SB
       
          Processor         80386SX (exact location unidentified)        
          Processor Speed   16MHz                                        
          Chip Set          Unidentified                                 
          Max. Onboard DRAM 8MB                                          
          Cache             None                                         
          BIOS              Unidentified                                 
          Dimensions        330mm x 210mm                                
          I/O Options       None                                         
          NPU Options       80387SX (exact location unidentified)        
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose          | Location | Purpose           | Location |
          |------------------+----------+-------------------+----------|
          | External battery |    J1    | Speaker           |   J19    |
          |------------------+----------+-------------------+----------|
          | Turbo LED        |   J17    | Power LED &       |   J20    |
          |                  |          | keylock           |          |
          |------------------+----------+-------------------+----------|
          | Turbo switch     |   J18    | Reset switch      |   JP1    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper  | Position  |
          |--------------------------------------+---------+-----------|
          |   | Turbo enabled (16MHz)            |   J18   |  Closed   |
          |---+----------------------------------+---------+-----------|
          |   | Turbo disabled (8MHz)            |   J18   |   Open    |
          |---+----------------------------------+---------+-----------|
          |   | Monitor type select monochrome   |   JP2   |   Open    |
          |---+----------------------------------+---------+-----------|
          |   | Monitor type select color        |   JP2   |  Closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  |      Bank 0A      |    Bank 0    |     Bank 1A     |
          |-------+-------------------+--------------+-----------------|
          | 512KB |  (4) 44256 & (2)  |     NONE     |      NONE       |
          |       |       41256       |              |                 |
          |-------+-------------------+--------------+-----------------|
          |  1MB  |  (4) 44256 & (2)  |     NONE     | (4) 44256 & (2) |
          |       |       41256       |              |      41256      |
          |-------+-------------------+--------------+-----------------|
          | 1.5MB |  (4) 44256 & (2)  | (2) 256K x 9 | (4) 44256 & (2) |
          |       |       41256       |              |      41256      |
          |-------+-------------------+--------------+-----------------|
          |  2MB  |  (4) 44256 & (2)  | (2) 256K x 9 | (4) 44256 & (2) |
          |       |       41256       |              |      41256      |
          |-------+-------------------+--------------+-----------------|
          |  2MB  |       NONE        |  (2) 1M x 9  |      NONE       |
          |-------+-------------------+--------------+-----------------|
          |  4MB  |       NONE        |  (2) 1M x 9  |      NONE       |
          |-------+-------------------+--------------+-----------------|
          |  6MB  |       NONE        |  (2) 1M x 9  |      NONE       |
          |-------+-------------------+--------------+-----------------|
          |  8MB  |       NONE        |  (2) 1M x 9  |      NONE       |
          |------------------------------------------------------------|
          | Note: (2) 41256 are parity chips.                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM CONFIGURATION (CON’T)                 |
          |------------------------------------------------------------|
          |    Size    |    Bank 1     |    Bank 2     |    Bank 3     |
          |------------+---------------+---------------+---------------|
          |   512KB    |     NONE      |     NONE      |     NONE      |
          |------------+---------------+---------------+---------------|
          |    1MB     |     NONE      |     NONE      |     NONE      |
          |------------+---------------+---------------+---------------|
          |   1.5MB    |     NONE      |     NONE      |     NONE      |
          |------------+---------------+---------------+---------------|
          |    2MB     | (2) 256K x 9  |     NONE      |     NONE      |
          |------------+---------------+---------------+---------------|
          |    2MB     |     NONE      |     NONE      |     NONE      |
          |------------+---------------+---------------+---------------|
          |    4MB     |  (2) 1M x 9   |     NONE      |     NONE      |
          |------------+---------------+---------------+---------------|
          |    6MB     |  (2) 1M x 9   |  (2) 1M x 9   |     NONE      |
          |------------+---------------+---------------+---------------|
          |    8MB     |  (2) 1M x 9   |  (2) 1M x 9   |  (2) 1M x 9   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  WAIT STATE CONFIGURATION                  |
          |------------------------------------------------------------|
          | Page hit | Page miss |   JP5    |   JP6    |               |
          |----------+-----------+----------+----------+---------------|
          | Bank hit | Bank miss | Bank hit |   Bank   |       |       |
          |          |           |          |   miss   |       |       |
          |----------+-----------+----------+----------+-------+-------|
          |    0     |     0     |    2     |    2     | 1 & 2 | 1 & 2 |
          |----------+-----------+----------+----------+-------+-------|
          |    0     |    N/A    |    2     |    1     | 1 & 2 | 2 & 3 |
          |----------+-----------+----------+----------+-------+-------|
          |    1     |     0     |    2     |    2     | 2 & 3 | 1 & 2 |
          |----------+-----------+----------+----------+-------+-------|
          |    2     |     0     |    3     |    3     | 2 & 3 | 2 & 3 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                MISCELLANEOUS TECHNICAL NOTE                |
          |------------------------------------------------------------|
          | Note: The location of pin 1 is unidentified.               |
          +------------------------------------------------------------+