| CPC G06F 3/0619 (2013.01) [G06F 3/0659 (2013.01); G06F 3/0673 (2013.01); G06F 11/0772 (2013.01)] | 20 Claims |
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1. A method of a memory controller which is configured to control a memory module including a plurality of memory devices and at least one error correction code (ECC) device, the method comprising:
reading a data set including user data stored in the plurality of memory devices and ECC data stored in the at least one ECC device, based on a read command and a first address; and
writing uncorrectable data in a memory area, which is included in each of the plurality of memory devices and the at least one ECC device and corresponds to the first address, based on an error of the user data not being corrected based on the ECC data,
wherein the writing of the uncorrectable data comprises sending a signal to the memory module indicating the uncorrectable data, and
wherein the signal is an operation code on a command/address bus or the signal is a control voltage provided by the memory controller.
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