URI: 
  TEXT View Source
       
       # DTK COMPUTER, INC.
       
          PPM-1661D(S)/PPM-2061D(S)/PPM-2561D(S)
       
          Processor        80386SX                                       
          Processor Speed  16/20/25MHz                                   
          Chip Set         DTK                                           
          Video Chip Set   None                                          
          Maximum Onboard  8MB                                           
          Memory           
          Maximum Video    None                                          
          Memory           
          Cache            None                                          
          BIOS             AMI/DTK                                       
          Dimensions       333mm x 222mm                                 
          I/O Options      Floppy drive interface, IDE interface,        
                           parallel port, PS/2 mouse port, serial ports  
                           (2), game interface                           
          NPU Options      80387SX                                       
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose          | Location | Purpose           | Location |
          |------------------+----------+-------------------+----------|
          | Serial port      |   CN1    | Reset switch      |    J6    |
          |------------------+----------+-------------------+----------|
          | Serial port      |   CN2    | External battery  |    J7    |
          |------------------+----------+-------------------+----------|
          | Parallel port    |   CN3    | Game interface    |   J13    |
          |------------------+----------+-------------------+----------|
          | PS/2 mouse port  |   CN4    | IDE interface LED |   J15    |
          |------------------+----------+-------------------+----------|
          | Power LED &      |    J1    | IDE interface     |   J16    |
          | keylock          |          |                   |          |
          |------------------+----------+-------------------+----------|
          | Turbo switch     |    J3    | Floppy drive      |   J17    |
          |                  |          | interface         |          |
          |------------------+----------+-------------------+----------|
          | Turbo LED        |    J5    | Riser slot        |   SL1    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              |  Label   |  Position  |
          |------------------------------------+----------+------------|
          | » | NPU not installed              |    J8    |   Closed   |
          |---+--------------------------------+----------+------------|
          |   | NPU installed                  |    J8    |    Open    |
          |---+--------------------------------+----------+------------|
          | » | Floppy drive interface enabled | J19 pins |   Closed   |
          |   |                                |  3 & 4   |            |
          |---+--------------------------------+----------+------------|
          |   | Floppy drive interface         | J19 pins |    Open    |
          |   | disabled                       |  3 & 4   |            |
          |---+--------------------------------+----------+------------|
          | » | IDE interface disabled         | J19 pins |    Open    |
          |   |                                | 13 & 14  |            |
          |---+--------------------------------+----------+------------|
          |   | IDE interface enabled          | J19 pins |   Closed   |
          |   |                                | 13 & 14  |            |
          |---+--------------------------------+----------+------------|
          |   | Game port enabled              | J19 pins |   Closed   |
          |   |                                | 15 & 16  |            |
          |---+--------------------------------+----------+------------|
          |   | Game port disabled             | J19 pins |    Open    |
          |   |                                | 15 & 16  |            |
          |---+--------------------------------+----------+------------|
          | » | BIOS type select 27256         |    W7    | Pins 1 & 2 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | BIOS type select 27128         |    W7    | Pins 2 & 3 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          | » | NPU clock input select 387CLK  |   W10    |    Open    |
          |   | = 386CLK                       |          |            |
          |---+--------------------------------+----------+------------|
          |   | NPU clock input select 387CLK  |   W10    |   Closed   |
          |   | = 386CLK/3                     |          |            |
          |---+--------------------------------+----------+------------|
          | » | Battery type select external   |   W11    | Pins 1 & 2 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Battery type select internal   |   W11    | Pins 2 & 3 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          | » | Monitor type select monochrome |   W12    | Pins 1 & 2 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Monitor type select color      |   W12    | Pins 2 & 3 |
          |   |                                |          |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  |   Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
          |-------+-------------+------------+------------+------------|
          | 512KB | (2) 256K x  |    None    |    None    |    None    |
          |       |      9      |            |            |            |
          |-------+-------------+------------+------------+------------|
          |  1MB  | (2) 256K x  | (2) 256K x |    None    |    None    |
          |       |      9      |     9      |            |            |
          |-------+-------------+------------+------------+------------|
          | 1.5MB | (2) 256K x  | (2) 256K x | (2) 256K x |    None    |
          |       |      9      |     9      |     9      |            |
          |-------+-------------+------------+------------+------------|
          |  2MB  | (2) 256K x  | (2) 256K x | (2) 256K x | (2) 256K x |
          |       |      9      |     9      |     9      |     9      |
          |-------+-------------+------------+------------+------------|
          |  2MB  | (2) 1M x 9  |    None    |    None    |    None    |
          |-------+-------------+------------+------------+------------|
          |  3MB  | (2) 256K x  | (2) 256K x | (2) 1M x 9 |    None    |
          |       |      9      |     9      |            |            |
          |-------+-------------+------------+------------+------------|
          |  4MB  | (2) 1M x 9  | (2) 1M x 9 |    None    |    None    |
          |-------+-------------+------------+------------+------------|
          |  5MB  | (2) 256K x  | (2) 256K x | (2) 1M x 9 | (2) 1M x 9 |
          |       |      9      |     9      |            |            |
          |-------+-------------+------------+------------+------------|
          |  6MB  | (2) 1M x 9  | (2) 1M x 9 | (2) 1M x 9 |    None    |
          |-------+-------------+------------+------------+------------|
          |  8MB  | (2) 1M x 9  | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            PARALLEL PORT ADDRESS/IRQ SELECTION             |
          |------------------------------------------------------------|
          |     Setting     |  IRQ   | J19 pins 5 & 6 | J19 pins 7 & 8 |
          |-----------------+--------+----------------+----------------|
          | » |    LPT1     |  IRQ7  |      Open      |     Closed     |
          |---+-------------+--------+----------------+----------------|
          |   |    LPT2     |  IRQ5  |     Closed     |      Open      |
          |---+-------------+--------+----------------+----------------|
          |   |  Disabled   |  None  |      Open      |      Open      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   SERIAL PORT SELECTION                    |
          |------------------------------------------------------------|
          |  Port 1  | Port 2 |  IRQ3   |  IRQ4   | J19  | J19  | J19  |
          |          |        |         |         | pins | pins | pins |
          |          |        |         |         | 1&2  | 9&10 |11&12 |
          |----------+--------+---------+---------+------+------+------|
          |»|  COM1  |  COM2  |  COM2   |  COM1   |Closed|Closed|Closed|
          |-+--------+--------+---------+---------+------+------+------|
          | |  COM3  |  COM4  |  COM4   |  COM3   | Open |Closed|Closed|
          |-+--------+--------+---------+---------+------+------+------|
          | |  COM1  |Disabled|Available|  COM1   |Closed|Closed| Open |
          |-+--------+--------+---------+---------+------+------+------|
          | |Disabled|  COM2  |  COM2   |Available|Closed| Open |Closed|
          |-+--------+--------+---------+---------+------+------+------|
          | |  COM3  |Disabled|Available|  COM3   | Open |Closed| Open |
          |-+--------+--------+---------+---------+------+------+------|
          | |Disabled|  COM4  |  COM4   |Available| Open | Open |Closed|
          +------------------------------------------------------------+