| 摘要 |
The invention relates to a data storage system. The data storage system comprises a memory device, a card reading/writing device, and an optical storage device. The memory device comprises a memory and a memory controller and connects with the memory controller. The card reading/writing device connects to the memory device and comprises a direct memory access controlling circuit, so that a first data is communicated between the card reading/writing device and the memory device via a direct memory access approach. The optical storage device connects to the memory device, so that a second data is directly communicated between the optical storage device and the memory device, wherein the first data or the second data is directly communicated between the card reading/writing device and the optical storage device via the memory device.
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