<p>If you only print from Octoprint, the SD card is not used.</p>

CC BY-SA 4.0
2024-01-03T01:17:38.423Z
2024-01-03T01:17:38.423Z
Miguel Risco-Castillo
<p>To my understanding, all settings including those that resulted from the Nozzle Auto MPC tuning and Bed PID tuning and the created UBL mesh are all stored I the EEPROM by the mriscoc Marlin firmware on a Creality Ender 3 V2.</p>
<p>I'm asking because I recently encountered a bad (or very slow) micro SD card, where the printer took long to boot to the start screen and start beep (30 sec), consistently with a bad SD, and without a SD it booted almost instantly.</p>
<p>So, does a Creality Ender 3 V2 running mriscoc firmware require a micro SD card at all, for other things as I previously mentioned?</p>
<p>I'm printing only over USB using OctoPrint on a Raspberry Pi (OctoPi).</p>

<creality-ender-3><marlin><microsd><mriscoc>
Does a Creality Ender 3 V2 running mriscoc firmware require a micro SD card at all?
Bob Ortiz
# Does a Creality Ender 3 V2 running mriscoc firmware require a micro SD card at all?

(Asked by: username_0 on 2023-12-30)

To my understanding, all settings including those that resulted from the Nozzle Auto MPC tuning and Bed PID tuning and the created UBL mesh are all stored I the EEPROM by the mriscoc Marlin firmware on a Creality Ender 3 V2.

I'm asking because I recently encountered a bad (or very slow) micro SD card, where the printer took long to boot to the start screen and start beep (30 sec), consistently with a bad SD, and without a SD it booted almost instantly.

So, does a Creality Ender 3 V2 running mriscoc firmware require a micro SD card at all, for other things as I previously mentioned?

I'm printing only over USB using OctoPrint on a Raspberry Pi (OctoPi).

**Tags:** creality-ender-3, marlin, microsd, mriscoc

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## 1 answers

### Answer by username_1 on 2024-01-03. Score: 2 | Accepted answer

If you only print from Octoprint, the SD card is not used.


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