: Varies by batch; look for a letter on the SD card slot to identify: : HR4988 (Non-silent). : A4988 (Non-silent). : TMC2208 (Silent). : TMC2209 (Silent). Port Layout & Connection Guide
Before analyzing the diagram, we must understand the hardware. The "V2.2" refers to Creality’s proprietary 32-bit mainboard, officially labeled . (Note: The search term "V2 2" is a common truncation of "V4.2.2"). It replaced the older 8-bit boards (1.1.4, 1.1.5) and brought three major improvements: Creality V2 2 Board Diagram