... changes between the old 2.6.31.6 oxnas ext4 kernel source from Pogoplug and the newer 2.6.31.14 oxnas ext4 kernel source from Iomega ...

Well you can download source of kernel from pogoplug and recompile it. If you have linux workstationyoucan recompile kernel or just modules. What modules are youlooking for ?

... I can't say how plausible. Then there comes the concern over possible kernel requirements for the drivers. I should be able to help out with drivers, ... on the type and status of the drivers, and if they come in a source tarball, etc.

http://my.pogoplug.com/share/vArHUudFPhMW8MZGCEDcIA/

In that share is a patch file, and a source. You may try whichever you like.

The lower level processor information is under NDA. But, because Linux is under GPL....the source code for the kernel must be released. See ---> https://pogoplug.com/opensource

I have been using this kernel source: http://download.pogoplug.com/opensource/pro/pogopro-linux-2.6.31.6-r2.tar.bz2 And Warheads' ...