The E-max SM has more pages, with engineering changes and retrofits, according to the table.
Saw the disclaimer, don't worry about that, of course it's my responsability, who else's...
If somebody can have a look inside his Emax Rack SE (PC333 with daughter board).
Links to pictures here :
PC333 Rev A general view : http://img.audiofanzine.com/image.php?lang=fr&identifier=image&size=normal&module=user&userPhoto_id=286238
E-Chip Rev B daughter board : http://img.audiofanzine.com/image.php?lang=fr&identifier=image&size=normal&module=user&userPhoto_id=286239
De-soldered blue wire side (E-Chip daughter board) : http://img.audiofanzine.com/image.php?lang=fr&identifier=image&size=normal&module=user&userPhoto_id=286240
Soldered side of the wire to R19 (PC333 board) : http://img.audiofanzine.com/image.php?lang=fr&identifier=image&size=normal&module=user&userPhoto_id=286241
Cheers