UNIDENTIFIED
============

   EAT-12

   Processor         80286                                        
   Processor Speed   12MHz                                        
   Chip Set          None                                         
   Max. onboard DRAM 2MB                                          
   Cache             None                                         
   BIOS              Unknown                                      
   Dimensions        330mm x 218mm                                
   I/O Options       None                                         
   NPU Options       80287                                        

<gopher://bitreich.org/I/th99/m/U-Z/31627-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose             | Location | Purpose        | Location |
   |---------------------+----------+----------------+----------|
   | Turbo LED           |   JP1    | Reset          |   JP10   |
   |---------------------+----------+----------------+----------|
   | Power LED & keylock |   JP4    | Turbo switch   |   JP12   |
   |---------------------+----------+----------------+----------|
   | External battery    |   JP8    | Speaker        |   JP13   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |           Function            | Jumper/Switch |  Position  |
   |-------------------------------+---------------+------------|
   |>> | BIOS type select 27256    |      JP2      | pins 1 & 2 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | BIOS type select 27128    |      JP2      | pins 2 & 3 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | Monitor type select color |      JP3      | pins 2 & 3 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | Monitor type select       |      JP3      | pins 1 & 2 |
   |   | monochrome                |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | Speed select via keyboard |      JP5      | pins 1 & 2 |
   |   | enabled                   |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | Speed select via keyboard |      JP5      | pins 2 & 3 |
   |   | disabled                  |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | Battery type select       |      JP7      | pins 2 & 3 |
   |   | onboard                   |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | Battery type select       |      JP7      | pins 1 & 2 |
   |   | external                  |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | Power good signal detect  |      JP9      | pins 1 & 2 |
   |   | from board                |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | Power good signal detect  |      JP9      | pins 2 & 3 |
   |   | from power supply         |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | Parity check disabled     |     JP14      | pins 2 & 3 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | Parity check enabled      |     JP14      | pins 1 & 2 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   | SW1/switch 3  |    Off     |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | RAM select 0 wait states  | SW1/switch 4  |    Off     |
   |---+---------------------------+---------------+------------|
   |   | RAM select 1 wait state   | SW1/switch 4  |     On     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |  Size   |   Bank 0   |   Bank 1   |   Bank 2   |  Bank 3   |
   |---------+------------+------------+------------+-----------|
   |  512KB  | (4) 44256  |    NONE    |    NONE    |   NONE    |
   |---------+------------+------------+------------+-----------|
   |  640KB  | (4) 44256  |  (4) 4464  |    NONE    |   NONE    |
   |---------+------------+------------+------------+-----------|
   | 1024KB  | (4) 44256  | (4) 44256  |    NONE    |   NONE    |
   |---------+------------+------------+------------+-----------|
   | 1152KB  | (4) 44256  | (4) 44256  |  (4) 4464  |   NONE    |
   |---------+------------+------------+------------+-----------|
   | 1536KB  | (4) 44256  | (4) 44256  | (4) 44256  |   NONE    |
   |---------+------------+------------+------------+-----------|
   | 1664KB  | (4) 44256  | (4) 44256  | (4) 44256  | (4) 4464  |
   |---------+------------+------------+------------+-----------|
   | 2048KB  | (4) 44256  | (4) 44256  | (4) 44256  | (4) 44256 |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM SWITCH CONFIGURATION                  |
   |------------------------------------------------------------|
   |   Size    | System RAM | Extended RAM |  SW1/1   |  SW1/2  |
   |-----------+------------+--------------+----------+---------|
   |   512KB   |   512KB    |     0KB      |    On    |   On    |
   |-----------+------------+--------------+----------+---------|
   |   640KB   |   640KB    |     0KB      |    On    |   Off   |
   |-----------+------------+--------------+----------+---------|
   |  1024KB   |   640KB    |    384KB     |    On    |   Off   |
   |-----------+------------+--------------+----------+---------|
   |  1152KB   |   640KB    |    512KB     |   Off    |   On    |
   |-----------+------------+--------------+----------+---------|
   |  1536KB   |   640KB    |    896KB     |   Off    |   On    |
   |-----------+------------+--------------+----------+---------|
   |  1664KB   |   640KB    |    1024KB    |   Off    |   Off   |
   |-----------+------------+--------------+----------+---------|
   |  2048KB   |   640KB    |    1408KB    |   Off    |   Off   |
   +------------------------------------------------------------+