Patent ID: 6948025

Claim:
A method for transferring data between a host device connected to the IEEE 1394 interface and a SCSI device connected to the SCSI in accordance with a predetermined execution command, wherein the SCSI has a message OUT phase and a bus free phase, the method comprising the steps of: transferring the data from the SCSI device to the host device; asserting an attention signal when the data error occurs in the SCSI during the step of transferring the data; providing the attention signal to the SCSI device; performing a padding transfer in accordance with the attention signal by the SCSI device; causing the SCSI device to enter the message OUT phase; generating an abort signal for causing the SCSI device to enter the bus free phase and providing the abort signal to the SCSI device; providing an execution command related with the data error to the SCSI device again; and starting the transfer of data related with the execution command from the beginning.