Hi Martin,
I've put the needed information for the Clevo W230ST together:
Single Fan
Read EC Offset 208 / D0D1 with 2 byte length
Formula (32768 * 60) / N_ticks) seems to provide realistic results
00 00 -> fan OFF / 0 RPM
06 73 -> 1190 RPM (lowest speed)
01 DE -> 4113 RPM (full...