Quote:
Originally Posted by JD Gumby
...unless you're using a Kobo device, then the use of a microSD card will cause quite a bit of drain thanks to it now creating temporary thumbnails on the fly for books on the card instead of creating the thumbnails once (either at indexing or the first time a book comes up when browsing your library) and storing them on the device.
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Hmm... it looks like you own a couple of the Kobo devices, so you can certainly
provide information on their workings and your experience with them but where
did you get the idea that all other devices function as you describe? You didn't
mean to say that the "Micro-SD" cards themselves are causing the creation of
thumbnails, I hope.
"Harry T"; I assume that you were talking about the SD card using power
whenever it is accessed, not to perform its function of maintaining the
storage of data. They are able to retain their data for quite some time even
on the shelf, not connected to any power source.
The SD and MicroSD cards have no need for power from your device until it
is called on to present or store data. Now if your device has WiFi turned on
it will require power to listen, so it can draw power when you are not in the
process of using it yourself. The same with G3/4 and GPS functions, ect..
Luck;
Ken