(TXT) View Source
       
       # IBM CORPORATION
       
          PS/2 MODEL 80 (8580-A21, A31)
       
          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, display connector, video adapter   
                           slot, floppy drive connector                  
          NPU Options      80387                                         
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose            | Location | Purpose         | Location |
          |--------------------+----------+-----------------+----------|
          | Power supply       |    J1    | Serial port     |    J6    |
          |--------------------+----------+-----------------+----------|
          | Floppy drive       |    J2    | Parallel port   |    J7    |
          |--------------------+----------+-----------------+----------|
          | Battery/speaker    |    J3    | Pointing device |    J8    |
          |--------------------+----------+-----------------+----------|
          | Video adapter slot |    J4    | Keyboard        |    J9    |
          |--------------------+----------+-----------------+----------|
          | VGA 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:SIMMs are a proprietary IBM design, standard 36-bit   |
          | SIMMs can not be used.                                     |
          +------------------------------------------------------------+