Western Digital finally revealed that the USB3/SATA bridge in the MyBook experiencing the problem is a Symwave SW6316 rev A4 Not clear from searching whether or not it has an 8051 CPU or something else such as ARM or MIPS. This seems to have been the first USB3 bridge to market as it arrived in late 2009. -- 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