I bought a 2 gb Topram memory card for my phone and it makes the phone turn off and on uncontrollably. If I put it in my friends Treo 700 it works fine. I have a 2gb Sandisk for my digital camera that works just fine in my Treo 650 and the 256 mb sandisk card that is in there now works as well. Any ideas why I'm only having luck with the sandisk brand? I've reformatted the topram card, reset my phone, and still no luck. -Ben