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Created EEPROM (markdown)

AnHardt 2015-09-24 20:20:38 +02:00
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Most 3D printer electronics include a little bit of storage (512K, 3K, or more) called EEPROM (Electrically Erasable Programmable Read-Only Memory - whew!) that persists when the power is off. Marlin uses the EEPROM to store the printer settings and loads them up the next time the machine powers up.
==== EEPROM GCodes ====
* [[M500]] Store current settings in EEPROM for the next startup or M501.
* [[M501]] Read all parameters from EEPROM. (Or, undo changes.)
* [[M502]] Reset current settings to defaults, as set in <code>Configurations.h</code>. (Follow with M500 to reset the EEPROM too.)
* [[M503]] Print the current settings – ''Not the settings stored in EEPROM.''
==== Settings Stored in EEPROM ====
When you do an <code>M503</code> command it prints a report like this, which will differ depending on your [[Marlin Configuration|configured options]]:
'''>>>M503 S0'''
M92 X80.00 Y80.00 Z4000.00 E1258.14
M203 X500.00 Y500.00 Z2.25 E45.00
M201 X9000 Y9000 Z100 E300
M204 P1500.00 R1500.00 T3000.00
M205 S0.00 T0.00 B20000 X20.00 Z0.40 E5.00
M206 X0.00 Y0.00 Z0.00
M145 M0 H180 B70 F0
M145 M1 H240 B110 F0
M301 P20.83 I1.04 D104.71 C1.00
If you haven't changed these settings, then they correspond to the contents of the EEPROM.