URI: 

  TEXT View Source
       
       # IBM CORPORATION
       
          PS/2 MODEL 25-286
       
          Processor    80286                                             
          Processor    10MHz                                             
          Speed        
          Chip Set     Intel                                             
          Max. Onboard Dependant upon the memory & optional memory packs 
          DRAM         installed in J9 & J10.                            
          Cache        None                                              
          BIOS         IBM                                               
          Dimensions   330mm x 218mm                                     
          I/O Options  Floppy drive interface, hard drive interface,     
                       parallel port,                                    
                                                                         
                       PS/2 mouse port, riser card, serial port, video   
                       port                                              
          NPU Options  80287                                             
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose         | Location | Purpose            | Location |
          |-----------------+----------+--------------------+----------|
          | PS/2 mouse port |    J1    | Memory pack        |    J9    |
          |-----------------+----------+--------------------+----------|
          | Parallel port   |    J3    | Memory pack        |   J10    |
          |-----------------+----------+--------------------+----------|
          | Video port      |    J4    | Hard drive         |   J11    |
          |                 |          | interface          |          |
          |-----------------+----------+--------------------+----------|
          | Serial port     |    J5    | Floppy drive       |   J12    |
          |                 |          | interface          |          |
          |-----------------+----------+--------------------+----------|
          | Riser card slot |    J6    | Clock module       |   ZM35   |
          |                 |          | connector          |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |             Function             | Jumper |    Position    |
          |----------------------------------+--------+----------------|
          | » | CMOS memory clear            |  J13   |   pins 1 & 2   |
          |   |                              |        |     closed     |
          |---+------------------------------+--------+----------------|
          |   | CMOS memory normal operation |  J13   |   pins 2 & 3   |
          |   |                              |        |     closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |  Dependant upon the memory packs or optional memory packs  |
          |                   installed in J9 & J10.                   |
          +------------------------------------------------------------+