text: <s>[INST] PF40 Firmware upgrade Summary: Is it possible to Flash new firmware into a PF40I have some Older PF40's going into service that do not have the latest firmware in them and the RSLogix5000 does not recognize them. Can Th Drive Firmware be upgraded? [/INST] Hmmm, that seems strange, it should be recognized in any case by the software, as an older firmware version: may you please provide more infos about the issue? Did you get an error message ? May you also post screenshots ? Anyway, unfortunately, PowerFlex 4/40/40P drives are not field flashable by enduser (Aid 42454) - fuzzy logic In order to enhance Forum's contributors reputation, please rate the replies you got and remember to close the thread clicking Choose as Best Answer button over the solving answer. Thanks ! \\n </s>