For SiS530/620/630/540, this utility helps change SiS IDE controller running from at PIO mode to at DMA mode under Win2000 without double restart the system. After running this utility, you must have to restart your system to make this change effective. It will not restart the system automatically. Here provides two commands to install this utility under Win2000: (1) Run "SiSIDE.EXE" ----> no prompt box of restart message shows, but still needs restart your system manually to make this change effective. , Or (2) Run "SiSIDE.EXE /D"----> prompt box of restart message shows, but still needs restart your system manually to make this change effective.