The EC (typically an ITE or Winbond chip) handles power button logic, fan control, and thermal monitoring.

Because "N15235" appears on many different boards, verify your model by looking for a printed name (e.g.,

Have you successfully repaired a Foxconn N15235 board? What was your trickiest signal trace? Share your experience in the comments below.

: Detailed schematics and board layouts are typically found on page 23 of the official Foxconn 45CMX User Manual .