Known hardware revisions and OpenWRT compatibility of D-Link DIR-825

RevisionRamFlashSerialJTagOpenWRT Support
A116MNot supported
B1/B264M8MYesYesYes
C1128M16MYesYesYes
C2128M16MYesYesYes
D164M8MNot supported
E164M8MYesYesNot supported
G164M8MYesYesNot supported

For more information on how to flash OpenWRT on this router head to its page in the OpenWRT Project.