fairly safe..
a power supply has a max output..
i cant remember the max output on my powersupply i will have to get the manaul or volt meter out..
but i say
12v... max 12.15v
5v.... max 5.20v
i also do belive that a ppc/a1200 does not like the 5v rail set to high..( mine is set at around 5.02v.
