Duke,
latest fw for DIMU with HOTT telemetry for board rev1 is r380:
http://autoquad.org/software-downloads/?did=128
Latest experimental fw is r395:
ftp://ftp.autoquad.org/3/334693_22529/a ... -dimu-1.1/
There´s no such build number you mentioned in your first post.
Try both, don´t use the mentioned parameter file and see what happens.