I have not had that problem, where the unit wouldn't boot, but I have noticed the notebook gets hotter faster with the MiniPCI card installed. I had a TM1300 in my i8200 and just replaced it with a 1350. The 1350 is about the same in the heat area but I moved the 1300 to my C610 and found it caused the whole unit to get hot to the point it turned the fans on & off all the time where before without the 1300 installed the fan rarely turned on, unless I was using it heavily. So I removed it from the unit and went back to a PCMCIA card. Signal was about the same with either in the C610 but it is much better in the i8200 with the MiniPCI card.

Get i8KfanGUI and run it. with this program you can set the temp the fans come on & off to keep the unit from over heating.

Thank you for your reply.

The problem truned out to be the CPU fan that was not working at low speed.  Replacing the fan did not fix he problem and ended up getting new motherboard (M60 instead of D800) and heatsink.

 I guess I owe it to the TM1300 to bring up an existing problem.

Occasionally, in this forum, we complain and whine about Dell support but in terms of hardware quality and technician's support nobody can match them.  I have several Dell systems and have rarely had problems with the hardware.  When I do, they send the part overnight or an expert technician show up to fix it the next day.  

The only problems I have had with the Dell in the past, was its phone support but even that is improved since moving the phone support for businesses to the US.

Back to TM1300, did you notice any differences (speed, detection, or compatibility) between 1300 and 1350?

No not really. I think Dell just figured they need to use the newest chip for G wireless and they very well couldn't call it a 1300 anymore so they bumped the # up to 1350. The funny thing is now you have to pay a lot more for the old 1300 card. Whether it's a MiniPCI or a PCMCIA slot card.

I just ordered the Intell Pro 2200 G card to see if it runs any cooler.

Thanks Ed,

Last time I checked, Intel 2200 was a lot cheaper.  Once you receive the 2200 and complete your comparisons, I would appreciate it if you could post or e-mail me the results.

Take care.