(TXT) View Source
       
       # UNIDENTIFIED
       
          NT-386/CT
       
          Processor         80386DX                                      
          Processor Speed   16/20/25/33MHZ                               
          Chip Set          C & T Peak/DM                                
          Max. onboard DRAM 32MB                                         
          Cache             32/64/128/256KB                              
          BIOS              Unknown                                      
          Dimensions        330mm x 218mm                                
          I/O Options       32-bit external memory card                  
          NPU Options       80387DX/3167                                 
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | External battery  |   JP5    | Turbo switch     |   JP28   |
          |-------------------+----------+------------------+----------|
          | Power LED &       |   JP21   | Reset switch     |   JP29   |
          | keylock           |          |                  |          |
          |-------------------+----------+------------------+----------|
          | Speaker           |   JP24   | 32-bit external  |    S1    |
          |                   |          | memory card      |          |
          |-------------------+----------+------------------+----------|
          | Turbo LED         |   JP25   |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |           Function            | Jumper/Switch |  Position  |
          |-------------------------------+---------------+------------|
          | » | Monitor type select color |      JP3      |   Closed   |
          |---+---------------------------+---------------+------------|
          |   | Monitor type select       |      JP3      |    Open    |
          |   | monochrome                |               |            |
          |---+---------------------------+---------------+------------|
          | » | NPU synchronous with CPU  |     JP26      |    Open    |
          |---+---------------------------+---------------+------------|
          |   | NPU asynchronous          |     JP26      |   Closed   |
          |---+---------------------------+---------------+------------|
          | » | Power good signal detect  |     JP27      | pins 2 & 3 |
          |   | from board                |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | Power good signal detect  |     JP27      | pins 1 & 2 |
          |   | from power supply         |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | CMOS memory normal        |     JP30      | pins 2 & 3 |
          |   | operation                 |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | CMOS memory clear         |     JP30      | pins 1 & 2 |
          |   |                           |               |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size |  Bank 0   |  Bank 1  |  Bank 2  |  Bank 3  |  JP1   |
          |------+-----------+----------+----------+----------+--------|
          | 1MB  | (4) 256K  |   NONE   |   NONE   |   NONE   | pins 1 |
          |      |    x 9    |          |          |          |  & 2   |
          |------+-----------+----------+----------+----------+--------|
          | 2MB  | (4) 256K  | (4) 256K |   NONE   |   NONE   | pins 1 |
          |      |    x 9    |   x 9    |          |          |  & 2   |
          |------+-----------+----------+----------+----------+--------|
          | 3MB  | (4) 256K  | (4) 256K | (4) 256K |   NONE   | pins 1 |
          |      |    x 9    |   x 9    |   x 9    |          |  & 2   |
          |------+-----------+----------+----------+----------+--------|
          | 4MB  | (4) 256K  | (4) 256K | (4) 256K | (4) 256K | pins 1 |
          |      |    x 9    |   x 9    |   x 9    |   x 9    |  & 2   |
          |------+-----------+----------+----------+----------+--------|
          | 4MB  | (4) 1M x  |   NONE   |   NONE   |   NONE   | pins 1 |
          |      |     9     |          |          |          |  & 2   |
          |------+-----------+----------+----------+----------+--------|
          | 5MB  | (4) 256K  | (4) 1M x |   NONE   |   NONE   | pins 2 |
          |      |    x 9    |    9     |          |          |  & 3   |
          |------+-----------+----------+----------+----------+--------|
          | 6MB  | (4) 256K  | (4) 256K | (4) 1M x |   NONE   | pins 2 |
          |      |    x 9    |   x 9    |    9     |          |  & 3   |
          |------+-----------+----------+----------+----------+--------|
          | 8MB  | (4) 1M x  | (4) 1M x |   NONE   |   NONE   | pins 1 |
          |      |     9     |    9     |          |          |  & 2   |
          |------+-----------+----------+----------+----------+--------|
          | 10MB | (4) 256K  | (4) 256K | (4) 1M x | (4) 1M x | pins 2 |
          |      |    x 9    |   x 9    |    9     |    9     |  & 3   |
          |------+-----------+----------+----------+----------+--------|
          | 12MB | (4) 1M x  | (4) 1M x | (4) 1M x |   NONE   | pins 1 |
          |      |     9     |    9     |    9     |          |  & 2   |
          |------+-----------+----------+----------+----------+--------|
          | 16MB | (4) 1M x  | (4) 1M x | (4) 1M x | (4) 1M x | pins 1 |
          |      |     9     |    9     |    9     |    9     |  & 2   |
          |------+-----------+----------+----------+----------+--------|
          | 16MB | (4) 4M x  |   NONE   |   NONE   |   NONE   | pins 1 |
          |      |     9     |          |          |          |  & 2   |
          |------+-----------+----------+----------+----------+--------|
          | 17MB | (4) 256K  | (4) 4M x |   NONE   |   NONE   | pins 2 |
          |      |    x 9    |    9     |          |          |  & 3   |
          |------+-----------+----------+----------+----------+--------|
          | 18MB | (4) 256K  | (4) 256K | (4) 4M x |   NONE   | pins 2 |
          |      |    x 9    |   x 9    |    9     |          |  & 3   |
          |------+-----------+----------+----------+----------+--------|
          | 20MB | (4) 1M x  | (4) 4M x |   NONE   |   NONE   | pins 2 |
          |      |     9     |    9     |          |          |  & 3   |
          |------+-----------+----------+----------+----------+--------|
          | 24MB | (4) 1M x  | (4) 1M x | (4) 4M x |   NONE   | pins 2 |
          |      |     9     |    9     |    9     |          |  & 3   |
          |------+-----------+----------+----------+----------+--------|
          | 32MB | (4) 4M x  | (4) 4M x |   NONE   |   NONE   | pins 1 |
          |      |     9     |    9     |          |          |  & 2   |
          |------+-----------+----------+----------+----------+--------|
          | 33MB | (4) 4M x  | (4) 4M x | (4) 256K |   NONE   | pins 2 |
          |      |     9     |    9     |   x 9    |          |  & 3   |
          |------+-----------+----------+----------+----------+--------|
          | 34MB | (4) 4M x  | (4) 4M x | (4) 256K | (4) 256K | pins 2 |
          |      |     9     |    9     |   x 9    |   x 9    |  & 3   |
          |------+-----------+----------+----------+----------+--------|
          | 36MB | (4) 4M x  | (4) 4M x | (4) 1M x |   NONE   | pins 2 |
          |      |     9     |    9     |    9     |          |  & 3   |
          |------+-----------+----------+----------+----------+--------|
          | 40MB | (4) 1M x  | (4) 1M x | (4) 4M x | (4) 4M x | pins 2 |
          |      |     9     |    9     |    9     |    9     |  & 3   |
          |------+-----------+----------+----------+----------+--------|
          | 48MB | (4) 4M x  | (4) 4M x | (4) 4M x |   NONE   | pins 1 |
          |      |     9     |    9     |    9     |          |  & 2   |
          |------+-----------+----------+----------+----------+--------|
          | 64MB | (4) 4M x  | (4) 4M x | (4) 4M x | (4) 4M x | pins 1 |
          |      |     9     |    9     |    9     |    9     |  & 2   |
          |------------------------------------------------------------|
          | Note:Banks 2 & 3 are located on an optional 32-bit         |
          | external memory card.                                      |
          |                                                            |
          | Pins designated should be in the closed position.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size    |    Bank 0     |    Bank 1     |      TAG      |
          |------------+---------------+---------------+---------------|
          |    32KB    |  (4) 8K x 8   |     NONE      |  (2) 16K x 4  |
          |------------+---------------+---------------+---------------|
          |    64KB    |  (4) 8K x 8   |  (4) 8K x 8   |  (2) 16K x 4  |
          |------------+---------------+---------------+---------------|
          |   128KB    |  (4) 32K x 8  |     NONE      |  (2) 64K x 4  |
          |------------+---------------+---------------+---------------|
          |   256KB    |  (4) 32K x 8  |  (4) 32K x 8  |  (2) 64K x 4  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          | Size  |  JP6   |       JP7       |    JP8     |    JP9     |
          |-------+--------+-----------------+------------+------------|
          | 32KB  |  Open  |     Closed      |   Closed   |   Closed   |
          |-------+--------+-----------------+------------+------------|
          | 64KB  |  Open  |   pins 2 & 3    | pins 2 & 3 | pins 1 & 2 |
          |       |        |     closed      |   closed   |   closed   |
          |-------+--------+-----------------+------------+------------|
          | 128KB | Closed |   pins 1 & 2    | pins 1 & 2 | pins 2 & 3 |
          |       |        |     closed      |   closed   |   closed   |
          |-------+--------+-----------------+------------+------------|
          | 256KB | Closed |   pins 1 & 2    | pins 1 & 2 | pins 1 & 2 |
          |       |        |     closed      |   closed   |   closed   |
          +------------------------------------------------------------+
       
       +---------------------------------------------------------------------+
       |                     CACHE JUMPER CONFIGURATION                      |
       |---------------------------------------------------------------------|
       |Size | JP11 | JP12 | JP13 | JP14 | JP15 | JP16 |JP17|JP18|JP19| JP20 |
       |-----+------+------+------+------+------+------+----+----+----+------|
       |32KB | Open | Open |Closed| Open |Closed| Open |2 & |Open|2 & | Open |
       |     |      |      |      |      |      |      | 3  |    | 3  |      |
       |-----+------+------+------+------+------+------+----+----+----+------|
       |64KB | Open | Open |Closed|Closed|Closed| Open |2 & |Open|Open|Closed|
       |     |      |      |      |      |      |      | 3  |    |    |      |
       |-----+------+------+------+------+------+------+----+----+----+------|
       |128KB| Open |Closed| Open |Closed|Closed| Open |1 & |1 & |Open|Closed|
       |     |      |      |      |      |      |      | 2  | 2  |    |      |
       |-----+------+------+------+------+------+------+----+----+----+------|
       |256KB|Closed|Closed| Open |Closed| Open |Closed|1 & |1 & |1 & |Closed|
       |     |      |      |      |      |      |      | 2  | 2  | 2  |      |
       +---------------------------------------------------------------------+