| 摘要 |
In order provide a host apparatus 20 , such as a digital television receiver, with the capability of transmitting commands to an external storage medium device 21 connected to the host apparatus 20 over an external databus 22 , the host apparatus 20 is provided with: a command bus 28 and a command interface 26, 27 arranged in accordance with one of the ATA/IDE standard or the Serial ATA standard for transmitting commands to a storage medium device over the storage medium command bus 28 ; and an integrated circuit chip 29 connected to the command bus 28 and to the external databus 22 and having an interface arranged to convert commands received from the command bus 28 in a format in accordance with said one of the ATA/IDE standard or the Serial ATA standard into a format for the external databus 22 and to transmit the converted commands over the external databus 22 . The external databus 22 may be arranged in accordance with the IEEE 1394 standard or the Universal Serial Bus standard. The storage medium device standard may be an Advanced Technology Attachment standard.
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