So you must add memory two pieces at a time (they must be the same size and type of memory) in order for the system to benefit from the upgrade.ДЎ2 sockets (3 banks of 4) This indicates that there are 12 memory slots. These are divided into 4В banks, and each bank consists of two memory slots. So you must add memory two pieces at a time (they must be the same size and type of memory) in order for the system to benefit from the upgrade.ДЁ sockets (4 banks of 2) This indicates that there are 8В memory slots. These are divided into 2 banks, and each bank consists of two memory slots. So you can add memory one piece at a time for the system to use.Д¤ sockets (2 banks of 2) This indicates that there are 4 memory slots. These are divided into 3 banks, and each bank consists of one memory slot. So you can add memory one piece at a time for the system to use.ДЈ sockets (3 banks of 1) This indicates that there are 3 memory slots. These are divided into 2В banks, and each bank consists of one memory slot. :Дў sockets (2 banks of 1) This indicates that there are 2В memory slots. A memory bank is a group of memory expansion sockets, a bank must be completely filled with memory modules of the same size and type in order for the system to recognize and address the memory. The AppleВ iBook G4 1.33GHz 12 has 1 memory expansion slots. Memory Sockets or Slots areВ the place where memory RAM modules are inserted in the motherboard.

Max ram upgrade for macbook g4 1.5 ghz