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diff --git a/docs/FAQ.md b/docs/FAQ.md index f54d3f41..f0dd7534 100644 --- a/docs/FAQ.md +++ b/docs/FAQ.md @@ -95,16 +95,17 @@ parameters - see the avrdude documentation for further information. ### How do I change the serial baud rate? -The default baud rate is 250000 in both the Klipper micro-controller -configuration and in the Klipper host software. This works on almost -all micro-controllers and it is the recommended setting. (Most online -guides that refer to a baud rate of 115200 are outdated.) +The recommended baud rate for Klipper is 250000. This baud rate works +well on all micro-controller boards that Klipper supports. If you've +found an online guide recommending a different baud rate, then ignore +that part of the guide and continue with the default value of 250000. -If you need to change the baud rate, then the new rate will need to be -configured in the micro-controller (during **make menuconfig**) and -that updated code will need to be flashed to the micro-controller. The -Klipper printer.cfg file will also need to be updated to match that -baud rate (see the example.cfg file for details). For example: +If you want to change the baud rate anyway, then the new rate will +need to be configured in the micro-controller (during **make +menuconfig**) and that updated code will need to be compiled and +flashed to the micro-controller. The Klipper printer.cfg file will +also need to be updated to match that baud rate (see the example.cfg +file for details). For example: ``` [mcu] baud: 250000 @@ -114,6 +115,11 @@ The baud rate shown on the OctoPrint web page has no impact on the internal Klipper micro-controller baud rate. Always set the OctoPrint baud rate to 250000 when using Klipper. +The Klipper micro-controller baud rate is not related to the baud rate +of the micro-controller's bootloader. See the +[bootloader document](docs/Bootloaders.md) for additional information +on bootloaders. + ### Can I run Klipper on something other than a Raspberry Pi 3? The recommended hardware is a Raspberry Pi 2 or a Raspberry |