----------------------------------------------------------------------------
PC-9801-50,9801-55,L,U                           SCSIް

  ɋF̶߂,8ADip22Aެ߰2B
      I/Fʰ̂߯50P̪ɰٺȸ2ނB
      PC-9801-50,55łMO̼ыN͏oȂ(55Lȍ~͉\)

ݒ  SW1  1   2   3  (ID)       4   5   6  (荞)     7  8   (DMA)   
        ON  ON  ON  7 Œ    ON  OFF OFF INT1        OFF OFF DMA #0  
                                OFF ON  OFF INT2          ON  OFF ݒ֎~
                              ON  ON  OFF INT3          OFF ON  DMA #2  
                                OFF OFF ON  INT5          ON  ON  DMA #3  
                                ON OFF  ON  INT6                   


      SW2  1   2   3  (ROMڽ)           4   5  (ROMڽ)    
          OFF ON  OFF \D4000`D4FF      OFF ON  \EC000`ECFFF        
        OFF ON  ON  \DC000`DCFFF       ON  ON  \EE000`-EEFFF        

                                           6   7  (@ݒ)   
                                          OFF OFF 98XAp       
         SW3    SW4   (I/O߰ıڽ)    ON  OFF 8086/V30      
       01-02  01-02 CC0                 OFF ON  ʲڿɰٗp         
         02-03  01-02 CD0                 ON  ON  286/386               
         01-02  02-03 CE0                  8      (ROM )       
         02-03  02-03 CF0               ON      L         
                                          OFF     ؂藣 
