Currently only rev3.04 and above of the badaxe supports conroe. Bios option is locked unless of cause you are using an ES or EE chip. The following mod will allow users to be able to up their vcore from bios and unlock most/all of the options in bios.
Note: There is nothing terribly difficult about completing this mod but if you feel at all uncomfortable doing this I highly recommend that you have the actual changes done by someone better qualified or don't do this at all.
With credits to freecableguy from XtremeSystems.org & all of the modders who contributed to the information & allowing me to share them with the users here.
I will be sharing with you guys only the vcore & vdimm mod as I believe these 2 are the mods most sought after and will be sufficient.
Warning: modding your motherboard voids your warranty and I will not be held responsible for any damage to your motherboard due to negligence or whatsoever reasons. So try it at your own risk.
Before we start off..
BIOS required: Recommended to get the 0908 or 0807 bios. As always, its best to flash to the BIOS before you make any of the following hard changes to the board.
Vcore modification for unlocking of Bios options

Notice the 3-pin header called "BIOS CONFIG" used for flashing and maintenance mode. Now...notice the empty silk-screen locations (OC DEBUG) above that in the picture? Intel has purposefully not shown the through-holes in their pictures as they have been blacked out. (I have shown them with the yellow circles.)
Mod: Short together the holes shown. Use either conductive ink or solder. If you wish, install a header (aka jumper) and use an extra shorting bar from your included accessories to make this mod changable!
Vdimm modification to allow adjustment of vdimm to 2.8v
Currently BIOS only allows Vdimm adjustment of up to 2.2v and this mod is to allow users to be able to adjust the Vdimm up to 2.8v instead. This mod is slightly more complicated and requires more reading up for newbie modders (aka me) in order to do it properly.

Mod: Connect a 10K ohm potentiometer from Pin #1 of U6H1 (SC2612E) to GND. Set to maximum resistance before connecting. Lower resistance to raise volts. It is recommended that a separate 220ohm resistor be added to the VR in series to prevent grounding Pin #1. This allow for ~2.8V to your DDR2. Make sure you know what your memory can handle before you put excessive voltage to it!
Thats it, and you're done.
In case you guys can't find the 0908 BIOS, here it is!









Linear Mode
21 OCZ Fans!