Looks so,but I wont take Bios readings at face value. What is the make/model if your PSU and your PC configuration please before we can analyze the problem. And how long are you using it?
PC config
intel. e5700
asus p5g41t-m lx
Sapphire HD5670 1gb DDR 5
Transcend ddr3 ram 2gb+hynix 1gb @1333mhz
160gb WD hard disk
Lg DVD rom
PSU extracted from HP 'server part' 450w
all other parts are 2years old exept PSU that's 3year maybe 4year old