Am Dienstag, 1. Mai 2012, 10:16:18 schrieb Norman Diamond: > When a 3TB SATA drive is connected through a JMicron JMS539 (USB3.0 to SATA Bridge, 152d:0539), Windows sees 3TB and Linux sees 3TB. > > When the same drive is connected through a JMicron 20337 (152d:2338), Windows sees 3TB but Linux sees 800GB. (Fortunately Linux avoids mounting the truncated partitions.) Windows trusts partition tables. Linux does not. It is possible that the device suffers an overflow in its handler for querying medium size but handles medium access just fine. Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html