(TXT) View Source
       
       # PACKARD BELL
       
          PB 386-25 (REVISION D)
       
          Processor    80386DX                                           
          Processor    25MHz                                             
          Speed        
          Chip Set     Intel                                             
          Max. onboard 8MB                                               
          DRAM         
          Cache        None                                              
          BIOS         Phoenix                                           
          Dimensions   330mm x 240mm                                     
          I/O Options  32-bit expansion slots (2), parallel port, serial 
                       ports (2)                                         
          NPU Options  80387/3167                                        
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose        |  Location  | Purpose          | Location  |
          |----------------+------------+------------------+-----------|
          | Parallel port  |    J10A    | Reset switch     |    J18    |
          |----------------+------------+------------------+-----------|
          | Serial port 1  | J10B/pins  | Speaker          |    J19    |
          | (9 pin)        |    1-10    |                  |           |
          |----------------+------------+------------------+-----------|
          | Serial port 2  | J10B/pins  | Keylock          |    J20    |
          | (9 pin)        |   11-20    |                  |           |
          |----------------+------------+------------------+-----------|
          | Serial port 2  |    J10C    | 32-bit expansion |  S1 & S2  |
          | (25 pin)       |            | slots            |           |
          |------------------------------------------------------------|
          | Note: J10C is a 25-pin version of serial port 2 (J10B pins |
          | 11-20). Either connector may be used, but not both.        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Printer acknowledge trailing     |  JP1   | pins 2 & 3 |
          |   | edge                             |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Printer acknowledge leading edge |  JP1   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | NPU disabled                     |  JP6   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | NPU enabled                      |  JP6   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Keyboard reset disabled          |  JP7   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Keyboard reset enabled           |  JP7   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | System type select DOS           |  JP8   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | System type select UNIX          |  JP8   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select color        |  JP9   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |  JP9   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | BIOS type select 2764            |  JP10  | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | BIOS type select 27128           |  JP10  | pins 2 & 3 |
          |   |                                  |        |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 SERIAL PORT CONFIGURATION                  |
          |------------------------------------------------------------|
          |      Port 1      | Port 2 (J10B/11-20 or |  JP4   |  JP5   |
          |   (J10B/1-10)    |         J10C)         |        |        |
          |------------------+-----------------------+--------+--------|
          | »   | COM1/IRQ4  |       COM2/IRQ3       | pins 1 | pins 1 |
          |     |            |                       |  & 2   |  & 2   |
          |-----+------------+-----------------------+--------+--------|
          |     | COM1/IRQ4  |       Disabled        | pins 1 | pins 2 |
          |     |            |                       |  & 2   |  & 3   |
          |-----+------------+-----------------------+--------+--------|
          |     |  Disabled  |       COM2/IRQ3       | pins 2 | pins 1 |
          |     |            |                       |  & 3   |  & 2   |
          |-----+------------+-----------------------+--------+--------|
          |     |  Disabled  |       Disabled        | pins 2 | pins 2 |
          |     |            |                       |  & 3   |  & 3   |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             PARALLEL PORT (J10A) CONFIGURATION             |
          |------------------------------------------------------------|
          |       LPT        |        JP2         |        JP3         |
          |------------------+--------------------+--------------------|
          | » |     LPT1     | pins 1 & 2 closed  | pins 2 & 3 closed  |
          |---+--------------+--------------------+--------------------|
          |   |     LPT2     | pins 2 & 3 closed  | pins 1 & 2 closed  |
          |---+--------------+--------------------+--------------------|
          |   |   Disabled   | pins 2 & 3 closed  | pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size | Bank 0 | Bank 1 |  JP17  |  JP18  | JP13A  | JP13B  |
          |------+--------+--------+--------+--------+--------+--------|
          | 1MB  |  (4)   |  NONE  | pins 1 | pins 1 |  Open  |  Open  |
          |      | 256K x |        |  & 2   |  & 2   |        |        |
          |      |   9    |        |        |        |        |        |
          |------+--------+--------+--------+--------+--------+--------|
          | 2MB  |  (4)   |  (4)   | pins 1 | pins 1 |  Open  | Closed |
          |      | 256K x | 256K x |  & 2   |  & 2   |        |        |
          |      |   9    |   9    |        |        |        |        |
          |------+--------+--------+--------+--------+--------+--------|
          | 4MB  | (4) 1M |  NONE  | pins 2 | pins 2 | Closed |  Open  |
          |      |  x 9   |        |  & 3   |  & 3   |        |        |
          |------+--------+--------+--------+--------+--------+--------|
          | 8MB  | (4) 1M | (4) 1M | pins 2 | pins 2 | Closed | Closed |
          |      |  x 9   |  x 9   |  & 3   |  & 3   |        |        |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   RAM TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |          Type          |      JP11       |      JP12       |
          |------------------------+-----------------+-----------------|
          |   |      RAS/CAS       |      Open       |      Open       |
          |---+--------------------+-----------------+-----------------|
          | » |     Fast Paged     |     Closed      |     Closed      |
          |---+--------------------+-----------------+-----------------|
          |   |   Static Column    |      Open       |     Closed      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  RAM SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |       Speed        |       JP15        |       JP16        |
          |--------------------+-------------------+-------------------|
          |  100ns or faster   | pins 1 & 2 closed | pins 1 & 2 closed |
          |--------------------+-------------------+-------------------|
          | Slower than 100ns  | pins 2 & 3 closed | pins 2 & 3 closed |
          +------------------------------------------------------------+