US Patent 7389374 High latency interface between hardware components

A computer program is stored on a computer-readable medium and executed by a processor and performs a method of transmitting and receiving signals between a hard disk controller and a read channel. The computer program comprises transmitting a data gate signal; transmitting or receiving data under control of the data gate signal; transmitting a media gate signal; and transmitting mode selection information under control of the media gate signal, wherein said data gate signal controls the transfer of data between the hard disk controller and the read channel and wherein data is transferred between a storage media and the read channel in accordance with the media gate signal.