Since I have this mount I never managed to update the firmware. I gave it an other try with the recent firmware update, but no success.
To update I use the PMC-Eight Configuration manager version 1.0.3.
The Log looks like:
9 ERR:303-No serial ports found.
8 Path to EEPROM: "C:\Users\AstroLuke\Downloads\PMC-Eight 20A01 Firmware Installation Kit 2021-07-01\20A01.03.eeprom"
7 Path to Propellent.exe:"C:\Program Files (x86)\Explore Scientific Utilities\PMC-8 Configuration Manager 1.0.3\Propellent.exe "
6 Attempting to upload ROM
5 Received: ESGp0000000!
4 Sending via Serial: ESGp0!
3 Received: ESGvES6B09T11!
2 Sending via Serial: ESGv!
1 Mount appears to be connected on Serial
0 The mount does not appear to be connected. Please check your settings and network connection.
I am connected to the mount, I can control it, but when updating it says "serial not found"...
Mounts: ES PMC-8 EXOS-2
Scopes: ES AR152 refractor, Tamron zoom-lens 70-300 mm
Cameras: Sony a6000
Software: Siril, Affinity Photo, Sony Remote Control