Hi Pavel, On 11/09/2020 20:27, Pavel Kuzmin wrote: > Hello > > > If in the EDID CTA extension the last 18 byte DTD block ends > immediately before the checksum byte (no padding bytes) then the last > DTD block is not processed and a failure is displayed "Padding: > CTA-861 padding contains non-zero bytes." Thanks for reporting this, nice catch! It was caused by an off-by-one check and this is now fixed. Regards, Hans > > e.g. https://github.com/linuxhw/EDID/blob/master/Digital/Acer/ACR0549/42BFE4422CEF > > > Regards, > Pavel >