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1. Plug in your PS2 controller using a PS2-USB adapter
2. Turn it on and make sure the analog button is on (the red one )
3. Set your sixaxis control as player #1
4. When the game starts up, Press the "PS" Button as instructed by the system
5. Wait until the actual game comes up and turn off the Sixaxis...
You dont have to unless its required....like fighting games, but for
some games the person that presses start is Player 1
Now it should be working fine and rumble and everything should work perfectly

Side note:
To get the Duelshock controller to work with PS3 games...dont know why you would want to....but if for some crazy reason you want to....at the XMB make sure the PS2 controller is in and plugged in like i said...pick the game.....and lol it should be working just fine...HAVE TO MAKE SURE THE ANALOG BUTTON IS ON...OR ONLY THE BUTTONS WORK...nothing else

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Originally posted by thesquid:

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yeah my main reason is that i have alot of dualshocks and want to be able to use them, as opposed to spending 50$ on a controller

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Originally posted by IGN:

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Guitar Hero II Compatible with PS3?
We plug and attempt to rock - find out if we were asked for an encore.
by IGN Staff

November 10, 2006 - If you plan on picking up a PlayStation 3 anytime soon and are worried about the dent that the system and its peripherals will put in your wallet, you may want to consider picking up some USB adapters for the PS2's Dual Shock 2 controller. These relatively cheap adapters are made for using a Dual Shock 2 on a PC, but they seem to work quite well with every PlayStation 3 game that we've tried. You need to switch on the analog button when you plug them in and they're missing the PlayStation button that brings up the Cross Media Bar, but other than that they seem perfectly functional.


With that, we assumed that Guitar Hero and its sequel would work perfectly well on the PlayStation 3. Unfortunately, that doesn't seem to be the case. When you pop in a PS2 or PSone game, you're prompted to tap the PlayStation button on the controller. For what reason, we're not sure, but as Guitar Hero's SG controller doesn't have this button, you can't actually activate it. You also can't quick-swap from one controller to another as the second part of the problem lies in that you need to turn on analog control, but again, the SG guitar doesn't have an on/off button for analog play.!

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