I originally posted this under Verizon Wireless' Samsung section, and when I went to update my post, I noticed there are only a total of two posts in that whole section. So posting here in hopes to get a better response. Thanks.
I installed a SanDisk 64GB SD card. When you go under Settings and Storage, it shows the SD as being mounted and having 59.47 GB of available space (I reformatted from phone). If you open the My Files apps, it shows the card as "extSdCard" and it seems to open ok, but if you press and hold down and press Details it shows as 0 KB for size (so not sure if it's actually reading it correctly). However, any other app (so far I've tried Astro file explorer and DropSync) does not show the 64 GB as being available and only lists SDCard as an option (the built in 32 GB). I vaguely remember a somewhat similar issue way back when using a Windows smartphone and having to mount the SD card a certain way. Anyone have an idea how to get my apps to recognize the 64 GB SD (even though it seems to be mounting and currently shows fine in Storage) and does My Files showing as 0 KB any concern?
When I searched real quick, this was really the only thing I could find in relation to the issue
Originally Posted by FragDroidX
Just an FYI, its partitioned like that because of the future upgrade to ICS. Google wants to do away with the SD card slot and that's why the Xoom shipped without a working SD card slot and the last two Nexus devices have no SD card slot. As ICS uses the SD target for internal storage now the manufacturers had to implement the SD-EXT target. So this is a direct result of Google and not Motorola.
Nevermind, sorry, found it under the mnt folder. Must have had a brain fart, I don't remember having to go to the mnt folder first on my other droid phones.