| 摘要 |
A composite single structured hard disk drive, comprising: a machine casing having a power port and two signal I/O (input/output) ports at an outer surface thereof; an interior of the machine casing having a driving unit which is electrically connected to the power port; the driving unit being able to rotatably drive at least one recoding disk; two read/write modules (R/W modules) being installed, respectively, each R/W module having a rotatable arm set and a dynamic unit connected to the rotatable arm set; one end the rotatable arm set having at least one R/W head at a front end thereof; another end of the rotatable arm set having no the R/W head is connected to the dynamic unit; the dynamic unit being connected to the power port and being controlled by a processor in the substrate in the machine casing.
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