PACKARD BELL
============

   PB686 SERIES

   (AXCEL I/LEGEND I/PACK-MATE I)

   Processor         80286                                        
   Processor Speed   12MHz                                        
   Chip Set          C & T                                        
   Max. Onboard DRAM 1MB                                          
   Cache             None                                         
   BIOS              Phoenix                                      
   Dimensions        330mm x 218mm                                
   I/O Options       Serial ports (2), parallel port, floppy      
                     interface                                    
   NPU Options       80287                                        

<gopher://bitreich.org/I/th99/m/P-R/30266-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location | Purpose           | Location |
   |------------------+----------+-------------------+----------|
   | Speaker          |    J2    | Floppy interface  |    J9    |
   |------------------+----------+-------------------+----------|
   | Turbo LED        |    J3    | Parallel port     |    P1    |
   |------------------+----------+-------------------+----------|
   | Reset switch     |    J4    | Serial port       |    P2    |
   |                  |          | (25-pin)          |          |
   |------------------+----------+-------------------+----------|
   | External battery |    J5    | Serial port       |    P3    |
   |                  |          | (9-pin)           |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Factory configured - do not      |  JP1   | pins 1 & 2 |
   |   | alter                            |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select color        |  JP2   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |  JP2   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  |  Piggyback   | Bank 0 | Parity  | Bank 1 | Parity  |
   |       | board (PB1)  |  (B0)  | 0 (P0)  |  (B1)  | 1 (P1)  |
   |-------+--------------+--------+---------+--------+---------|
   | 640KB |   (4) 4464   |  (4)   |   (2)   |  NONE  |  NONE   |
   |       |  +(2) 4164   | 44256  |  41256  |        |         |
   |-------+--------------+--------+---------+--------+---------|
   |  1MB  |     NONE     |  (4)   |   (2)   |  (4)   |   (2)   |
   |       |              | 44256  |  41256  | 44256  |  41256  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM JUMPER CONFIGURATION                  |
   |------------------------------------------------------------|
   |             Size             |             JP5             |
   |------------------------------+-----------------------------|
   |            640KB             |           Closed            |
   |------------------------------+-----------------------------|
   |             1MB              |            Open             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |       Port       |        JP23        |        JP27        |
   |------------------+--------------------+--------------------|
   |       LPT1       | pins 2 & 3 closed  | pins 2 & 4 closed  |
   |------------------+--------------------+--------------------|
   |       LPT2       | pins 1 & 2 closed  | pins 1 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SERIAL PORT CONFIGURATION                  |
   |------------------------------------------------------------|
   |    P2    |    P3    |        JP24        |      JP33       |
   |----------+----------+--------------------+-----------------|
   |   COM1   |   COM2   | pins 1 & 3, 2 & 4  | pins 1 & 3, 2 & |
   |          |          |       closed       |    4 closed     |
   |----------+----------+--------------------+-----------------|
   |   COM2   |   COM1   | pins 1 & 2, 3 & 4  | pins 1 & 2, 3 & |
   |          |          |       closed       |    4 closed     |
   |----------+----------+--------------------+-----------------|
   |   COM1   | Disabled | pins 2 & 4 closed  |   pins 1 & 3    |
   |          |          |                    |     closed      |
   |----------+----------+--------------------+-----------------|
   |   COM2   | Disabled | pins 1 & 2 closed  |   pins 1 & 2    |
   |          |          |                    |     closed      |
   |----------+----------+--------------------+-----------------|
   | Disabled |  COM 1   | pins 3 & 4 closed  |   pins 3 & 4    |
   |          |          |                    |     closed      |
   |----------+----------+--------------------+-----------------|
   | Disabled |   COM2   | pins 1 & 3 closed  |   pins 2 & 4    |
   |          |          |                    |     closed      |
   +------------------------------------------------------------+