I have a 512mb DDR2 533 and a 1GB DDR2 Memory 667/533 running for around 9 months. I also have 7 yrs old 40GB Seagate HDD. On-board video card in use.
My computer mostly hang while I'm watching videos, downloading files, and the time when I'm booting on cd to repair my bad sectors and memtest86+ my RAMs.
-2hrs of memtest86+ dont find any errors.
-HDD no longer have bad sectors.
-I remove my 512mb DDR2