Memory controlling apparatus and method

A memory module comprising:

• a storage device comprising a plurality of storage areas configured to store data;
• and
• a memory control device configured to control access to the storage device,
• wherein the memory control device comprises:
• a defect detecting unit configured to detect a defective area of a storage area into which data may not be stored;
• a storage processing unit configured to store defect information comprising address information of the defective area detected using the defect detecting unit into a memory area;
• and
• a data writing unit writing configured to write data, which has been written into the defective area, into a storage area other than the storage area comprising the defective area based on the defect information stored using the storage processing unit.

A storage device comprising a plurality of storage areas, the storage device comprising:

• a defect detecting unit configured to detect a defective area of a storage area into which data may not be stored;
• a storage processing unit configured to store defect information comprising address information of the defective area detected using the defect detecting unit into a memory area;
• and
• a data writing unit configured to write data, which has been written into the defective area, into a storage area other than the storage area comprising the defective area based on the defect information stored using the storage processing unit.

A memory controlling method for controlling access to a storage device comprising a plurality of storage areas, the memory controlling method comprising:

• detecting a defective area of a storage area into data may not be stored;
• storing defect information comprising address information of the detected defective area in a memory area;
• and
• writing data, which has been written into the defective area, into a storage area other than the storage area comprising the defective area based on the defect information which has been stored.