CEM25 Firmware Upgrade

Firmware for CEM25 (1/31/2020)

No firmware upgrade is needed if your mount works properly.

Please read the Release Notes before performing any firmware upgrades. Follow the Upgrade Instruction carefully. Loading the wrong file into the system may cause the mount inoperable!


Do not load this firmware into a CEM25EC mount! It may cause permanent damage to the R.A. control system.

Go2Nova 8408 hand controller firmware (V190422) (Released 1/31/2020)
CEM25 R.A. motor control board (V190422)
CEM25 DEC motor control board (V170106)
CEM25 Firmware Upgrade History (Updated 1/31/2020)
CEM25 firmware upgrade instruction (10/12/2015)
Upgrade Utility 1.22