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       # IBM CORPORATION
       
          PS/2 MODEL 80 (8580-041, 071)
       
          Processor        80386DX                                       
          Processor Speed  16/20/25MHz                                   
          Chip Set         None                                          
          Max. Onboard     8MB                                           
          DRAM             
          Cache            None                                          
          BIOS             IBM                                           
          Dimensions       355mm x 254mm                                 
          I/O Options      Serial port, parallel port, pointing device   
                           connector, video port, video adapter slot,    
                           floppy drive interface                        
          NPU Options      80387                                         
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose             | Location | Purpose        | Location |
          |---------------------+----------+----------------+----------|
          | Power supply        |    J1    | Serial port    |    J6    |
          |---------------------+----------+----------------+----------|
          | Floppy drive        |    J2    | Parallel port  |    J7    |
          | interface           |          |                |          |
          |---------------------+----------+----------------+----------|
          | Battery/speaker     |    J3    | Pointing       |    J8    |
          |                     |          | device         |          |
          |---------------------+----------+----------------+----------|
          | Video adapter slot  |    J4    | Keyboard       |    J9    |
          |---------------------+----------+----------------+----------|
          | Video port          |    J5    |                |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |     Size     |        Bank 0        |        Bank 1        |
          |--------------+----------------------+----------------------|
          |     1MB      |    (1) 256K x 36     |         NONE         |
          |--------------+----------------------+----------------------|
          |     2MB      |    (1) 256K x 36     |    (1) 256K x 36     |
          |--------------+----------------------+----------------------|
          |     4MB      |     (1) 1M x 36      |         NONE         |
          |--------------+----------------------+----------------------|
          |     8MB      |     (1) 1M x 36      |     (1) 1M x 36      |
          |------------------------------------------------------------|
          | Note:Onboard memory does not have to be installed in order |
          | to use memory expansion cards.                             |
          +------------------------------------------------------------+