Usually you can set that in the bios
What is the mod# and make of your mainbaord ?
This program may have the spped , you know I do not remeber I jusyt use it for checking ram.
DL, it will install a linux program onto a floppy that should be left in the floppy drive and the pc rebooted.
does your pc have a floppy, so many no longer do, there is also an image file that can be DL and burnt to a cd.