Originally Posted by tcassidy
My experience with a built in GPS (ASUS R2h) left me cold to even considering that approach again. It would generally survive a couple of hours standby though and I don't think it is powered in that state.
The R2h could take 3-4 minutes to get to lock from a cold start though. What is the cold start performance of your Viliv GPS? It shouldn't be too bad. My Garmin 5000 PND (no internal battery) requires less than a minute 95% of the time.
Originally Posted by xPosTech
... If it shows in Device Manager as a Com1 device you're probably stuck.