The panel can be equipped to most (especially newer) XP lathes and all 2024, Saturn lathes and newer.
To check your firmware version, see the following FAQ:
DVR 3000 - Same firmware compatibility as the DVR XP.
XP lathes have version 4.xx, 6.xx and 8.xx, This panel is compatible with version 6.xx and 8.xx only, version 4.xx has only been partially tested and it does not perform a lot of the functions such as fwd/rev on it.
2024 The oldest version 6.xx, and the newest one is 8.xx, so all 2024 are compatible.
As for the features:
All 6.xx and 8.xx main boards with the retrofit kit will have the following features:
-10 favorite speeds (5 additional speeds for XP users, same amount for 2024 users)
-double pressing to access favorite speed #6 to #10
-5000 speed limit (normal speed limit for XP is 3500, same speed limit for 2024 users)
-USB upgrade capabilities
Features which are also only enabled on version 8.xx main boards: