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Rumba Board Upgrade Ultimaker 2+

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Posted · Rumba Board Upgrade Ultimaker 2+



i like to upgrade my Ultimaker 2+

with the Board in the Pictures.


My Question are:


1. Is this compatible with Marlin 2x?


2. What Mhz and Ram does it have?

I didnt find it via serial Number.


3. Do i need something else like a Daughterboard?


4. What Steppers recommended to be silent and can print with max 120mm/sec and Travel 300mm/sec?


You can send me alternative Boards to buy also. My Goal isnt 32 bit, it is more my goal faster cpu and more ram and silent steppers.


I modified a um2 template of marlin 2x in Studio Code to fit with um2+,

It runs fine allmost but with complex it can hang after several hours. even if it prints allways the same thing.

Buffer serial Protection is on and Buffer for Usb is 16.


I print with Octoprint 1.8.0 on a Raspberry 4B 8GB Ram. Running on SSD Sata with 128GB. Power Voltage 5V @4A

Usb Cable is 1m and shielded with also 2 Ferit Cores on each end.


In Serial log i couldnt find anything what causes the Problem.


The Board is 25€




Ultimaker 2+

50W Heater

Olsen Block Matchless v3

Bondtech Qr 3.0 Extruder

Powersuply 14.5A @24V


I hope anyone can help me.












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