(TXT) View Source
       
       # IBM CORPORATION
       
          PS/2 MODEL 80 (8580-111,121,311,321)
       
                                                                         
          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 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    |
          |---------------------+----------+----------------+----------|
          | Display             |    J5    |                |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |     Size      |        Bank 0         |       Bank 1       |
          |---------------+-----------------------+--------------------|
          |      1MB      |      (1) 1M x 9       |        NONE        |
          |---------------+-----------------------+--------------------|
          |      2MB      |      (1) 1M x 9       |     (1) 1M x 9     |
          |---------------+-----------------------+--------------------|
          |      4MB      |      (1) 4M x 9       |        NONE        |
          |---------------+-----------------------+--------------------|
          |      8MB      |      (1) 4M x 9       |     (1) 4M x 9     |
          |------------------------------------------------------------|
          | Note:Onboard memory does not have to be full in order to   |
          | use memory expansion cards.                                |
          |                                                            |
          | Banks 0 & 1 are interchangeable.                           |
          +------------------------------------------------------------+