Patent ID: 7346724

Claim:
A USB (Universal Serial Bus) to ATA/ATAPI (AT Attachment/ATA Packet Interface) bridge, comprising: a first transceiver configured to communicate with a host over a USB bus; a second transceiver configured to communicate with a first group of ATA/ATAPI devices over a first ATA bus, each of the first group of ATA/ATAPI devices having a port that is directly connected to the first ATA bus; and a routing circuit coupled to the first and second transceivers, the routing circuit configured to route signals between the first ATA bus and the host USB bus; wherein the routing circuit is configured to total a number of LUNs for all of the first group of ATA/ATAPI devices and report the total to the host, where at least one of the first group of ATA/ATAPI devices has more than one LUN.