Ender 3 S1 Pro Replacement Motherboard Mainboard

 Replacement replacement mainboard for Ender 3 S1 Pro Silent Mainboard_v2.4.S1_32-bit_TMC2208_STM32F401RCT6 Suitable for standard Ender 3 S1 but do note this allow higher temperature limit which is not suitable for Ender 3 S1 unless you upgrade to all metal hotend or heat break.  If you're compiling your own firmware please verify main chip is selected correctly in platform.ini. This board is only compatible with Ender 3 S1 Pro Touch Screen Display. If you wish to use old knob display, you will require to flash standard S1 firmware, but stock firmware will limited max temperature. You would need compile your own firmware if you wish go over the standard s1 hotend limit with stock display. Documentation: [ Contact Us ]If you have a F4 CPU on your board the firmware bin file MUST be placed on the SD card inside a folder called “STM32F4_UPDATE”, note some larger sd card may have issue flashing firmware, confirm you have <4gb sd card suitable and also micro sd card to flash the display if required. Firmware Source:  [ Contact Us ] S1 Pro Brach:  [ Contact Us ]  (If you want compile an updated marlin that will work with Touch Screen) Community Firmware: [ Contact Us ] (Does not work with S1 Pro Touch Screen, suitable for regular S1 with knob display here:  [ Contact Us ] ) Note: If you need us to confirm custom display firmware, we will require box to be opened and back cover removed to see which PCB version of the screen.