[popper]

your AMD Athlon 1Ghz at 60 degrees is way to hot even in this heat we're having, i have one at 52c/126F and thats overclocked , on average its running at 111F or less.

you need to get a larger copper heatsink (and heat paste) on that with the fan running at about 2600 or less is nice and quiet.

for your encoding, you should look to nothing but the core or an x2 these days of AVC and HD encoding and even then, its going to be slower than realtime for the HD encoding