Naming conventions:
Product_type_h/wRevision_s/wRevision_ValidArea_language_datecode.extension
Product_Howto_language_ Theme-with-description.extension 



DFE-550fx_drv_LINUX-dlh5x-22_ALL_en_011109.tgz	Driver for DFE-550FX for Linux Kernel 2.2.
						Treiber für die DFE-550FX für Linux Kernel 2.2.


DFE-550fx_drv_LINUX-dlh5x-24_ALL_en_011109.tgz	Driver for DFE-550FX for Linux Kernel 2.4.
						Treiber für die DFE-550FX für Linux Kernel 2.4.

DFE-550fx_drv_revALL_2560_ALL_en_021008.zip	Driver for DFE-550FX.
						Treiber für die DFE-550FX.

DFE-550FX_GPL_release-Sources_ALL_en.tar	GPL Sources

Lizenz_GPL-de.pdf				GPL Lizenz