> Let's regard SCH PATA controller is an usually "broken" one :-), what do you suggest me to work around it? > Force it to 40-wire pin? or use a KConfig option to select 40-wire or 80-wire? The drive side detect depends upon hardware features. If the correct capacitors are present in the design then the drive side detect should work. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html