Overclock it, run with the max amounts of cores, disable all fans and remove heat sinks,and put it in a hot enviroment. but overheating it will mostlikely brake it, Why would you want to do that?
The correct configuration management process to overclock your processor is going into the BIOS settings, and increasing the power of the motherboard. This is the safest way as well to overclock.
no
yes, you can
You can overclock it, bit you can't put a new board in. If it's one of the older Macs that used the motorola processors (g4, g5, etc), overclocking will require some soldering and other hardware mods. If it's an intel Mac, there are apps that will allow you to overclock.
Overclock it.
You need an overclocking program to overclock your video card. I use RivaTuner for my 8800GTS and I haven't had any problems. Remember that overclocking will ruin your warranty.
try ati-tool or rivatuner
You can't "update" it, but you can overclock it. Overclocking is just running a component harder than it was made to. You might need to upgrade your power supply or fan depending on how much you overclock the card. http://www.tomshardware.com/reviews/overclock-graphics-card,1916.html
Try a program such as Ati-Tool or RivaTuner
because it reduces the load....
No, it's impossible on most OEM computers.