Advertisements I have a Tivo premiere XL with cable signal being delivered via clear QAM that is actually an OTA signal but sent out via QAM. I live on a university campus and they don't want to subscribe to cable and do not provide cable cards. My Tivo initially worked fine minus guide data. But lately it just kept rebooting. I finally figured out it worked fine without the coax attached. I've tried adding signal attenuates but am having no luck. As I understand it this is the only Tivo that will support QAM without a cable card. Sometimes I can eventually get it to work but it takes many reboots. Is there anything else I can do? Is there maybe another brand of DVR? I have tried my own antenna but my appartment is in a bad spot to put up my own.