Michael Gavlick writes: > The IDE driver complains about an 80-wire cable detection failure and falls back to UDMA/33 for the old IBM-DJNA-371350 Rev. J7NOA30K HD even though it is an UDMA/66 HD. > > Kernel Message: > "hdb: host max PIO5 wanted PIO255(auto-tune) selected PIO4 > hdb: drive side 80-wire cable detection failed, limiting max speed to UDMA33 > hdb: UDMA/33 mode selected" > > This patch disables the word 93 validity check in /drivers/ide/ide-iops.c for this particular hardware by adding it to the buggy firmware ivb_list. Have you verified that the cable actually is 80-wire? If the problem is buggy disk firmware, the message should disappear if you connect a different known good UDMA/66 or better disk to this cable. What model is the IDE controller? -- 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
