> I've acquired a new CF card that is capable of UDMA2, and with the same > connectors, wiring and adaptor (i.e. I popped out the MWDMA card and > inserted the UDMA one), I can now boot and read data on both devices > without error at reasonable speeds. Fascinating. Does point more to a driver funny you are right. At the moment I'm at a loss to guess what - 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