When you install Kalyway, choose customize install which will be located at the bottom. Disk utility is located in the top menu bar. when you customize install, you can choose vanila kernel, SSE2, audio and video driver, and boot section GUID or MBR. If you did not install MBR how can you boot to HDD Kalyway? While installing do it slowly you will see Customize button appear at bottom of the window.