Hello. This is what you need for this guide Kalyway 10.5.2 DVD GA-945GCM-S2L Audio Drivers First, set up your board to your liking. If you're using 533MHz RAM, go into the BIOS and increase voltage by 0.5V this should give you a clock speed of 667MHz. Now, install Kalyway with the following options Change the "Sound Drivers" to the third option. Put the SMBIOS to the iMac or 667 MHz one. They are the same =] Now, choose your other settings and run through installer. Remember, unless you are sure you're C2D or C2Q does not boot without the cpus=1 flag, dont put it on. Now, your Ethernet should work out of the box. You just need the audio drivers and it should be working.