Registry Dump worked fine on my F920BT.
Here is some entry regarding GPS:
[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\GPS]
"GRFTYPE"=dword:00000001
"ParamFolder"="NAND\\SYSTEM\\GPS"
"CurGpsWeekRollerNum"=dword:00000001
"DefaultGpsWeekNo"=dword:000001d5
"MC_EveryStartUpdateTime"=dword:00000001
"NmeaSel3"=dword:00000001
Other interesting news: USB Mouse is working!!!...no pointer though but I can click an navigate menues.
Regards.....