my rig and overclocking/bottlenecking

[HolyHand]

so recently just put together my first gaming rig, was on a bit of a budget so went with some cheaper options. the outcome is pretty decent compared to what i was using but i know i could potentially get a lot more out of my new rig both GPU and CPU wise.

i'm a totally unexperienced OC'er so any help would be greatly appreciated.

currently working with -

AMD BD fx-6100 (still at stock speed with stock cooler)
Asus M5A78L-M USB3 HDMI Motherboard
16GB (2 x 8GB) DDR3 1333MHZ RAM Memory
Sparkle nvidia GTX 650 1gb card
750W Cooler Master GX-Series Power Supply Unit 80 Plus with 120mm Fan
EVO LABS E-X8819 4 BAY ATX GAMING CASE

and a pretty standard 1tb internal HD & DVDRW drive


i'm mainly using it for gaming with the odd browsing and it's been able to handle any game i've thrown at it - BF3, BO2, APB Reloaded with music running, minimising to browse etc no problem

i'm looking to upgrade to a GTX 580, i'm aware that it'll probably be quite bottlenecked so i'm looking to OC a little. never fiddled with a CPU cooler and don't really want to so i guess i'm wondering what's the safest speed to OC to with the stock cooler and will my motherboard be fine with it?

current temperatures are fine on all components, for a cheap case it seems to be doing well keeping everything cool.

any help would be appreciated, thanks

 

[Tuvoc]

The 6-core FX certainly won't generate as much heat as the 8-core chips. So on the stock cooler I think there should be some headroom. You would have to try it and see, and watch the temps

The FX6100 is a 95w CPU. I could be wrong, but I don't see any 125w CPUs on the support list for that motherboard, they top out at 95w. On that basis, drawing too much more may be risky, it seems that the motherboard is designed for max 95w. A mild multiplier overclock at stock volts might be OK, but is a risk.