diff --git a/docs/hardware/mainboard.md b/docs/hardware/mainboard.md index d101f50d..2c0e7355 100644 --- a/docs/hardware/mainboard.md +++ b/docs/hardware/mainboard.md @@ -8,8 +8,20 @@ The stock mainboard of both the **Go** and the **Neo** is the "TriGorilla V_3.0. It is a 32bit 24V mainboard with a Huada HC32F460 KCTA ARM Cortex-M4 with 192KB SRAM and 512KB Flash. The speed of the ARM chip is listed as 200MHz by the manufacturer. -The mainboard comes with TMC2208 silent stepper drivers *soldered* onto the board (they can't be swapped out!). It offers a microSD card reader, a USB-C connector and a 10 pin connector for adding the control unit. +The mainboard comes with TMC2208 silent stepper drivers *soldered* onto the board (so they can't be just swapped out!). + +??? info "GC6609 stepper drivers being used as well!" + + It seems that Anycubic changed the stepper drivers from original TMC2208 to cheap 2208/2209 clones, called "GC6609". + This is how they look (you'd need to take off the heatsink to identify which specific type was being used at your mainboard): + + ![GC6609](../assets/images/board_GC6609-stepperdrivers_web.jpeg) + + I personally don't know anything about these dirvers, but @aspiringnobody shared his knowledge and findings in [this discussion](https://github.com/1coderookie/KobraGoNeoInsights/discussions/13). If you know anything more, please reach out and contribute to the discussion! + + Thanks again to @aspiringnobody who came across this and reported it! + ![Mainboard TriGorilla front](../assets/images/mainboard_front_web.jpg)