> For the complete documentation index, see [llms.txt](https://manual.rotrics.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://manual.rotrics.com/gcode/marlin-original-commands/marlin-m504-validate-eeprom-contents.md).

# \[Marlin] M504 - Validate EEPROM contents

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**📅Update: 2020/09/18**
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## Description

Validate the contents of the EEPROM.

## Notes

* Requires `EEPROM_SETTINGS`.

## Usage

`M504`

## Examples

Validate EEPROM contents.

```
M504
```