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Memory Upgrade for Apple PowerBook G3 (Wall Street, Main Street)

Apple PowerBook G3 (Wall Street, Main Street) memory upgrade specification, PowerBook G3 (Wall Street, Main Street) maximum memory, memory speed, and memory upgrade options.

Upgrade memory on Apple PowerBook G3 (Wall Street, Main Street) upto a maximum of 192 MB
PC66/PC100 SDRAM SODIMMs Only the top memory slot will accept the 128MB Module., with maximum per slot in 2 memory slots. The Apple PowerBook G3 (Wall Street, Main Street) takes the PC66/PC100 SDRAM SODIMMs Only the top memory slot will accept the 128MB Module. Memory Type.

Apple PowerBook G3 (Wall Street, Main Street) Memory Upgrade Specification
Standard Memory Maximum Memory Memory Expansion CPU Type Model/Chipset
32 MB or 64 MB (removable) 192 MB
PC66/PC100 SDRAM SODIMMs Only the top memory slot will accept the 128MB Module.
2 sockets 233, 250, 292MHz PowerPC G3 Blue and White
 

Apple PowerBook G3 (Wall Street, Main Street) Memory Upgrade options.

What are memory sockets or slots and how are these divided into bank?

 

Memory Sockets or Slots are the place where memory RAM modules are inserted in the motherboard. The Apple PowerBook G3 (Wall Street, Main Street) has 2 memory expansion 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. i.e. :

2 sockets (2 banks of 1) This indicates that there are 2 memory slots. These are divided into 2 banks, and each bank consists of one memory slot. So you can add memory one piece at a time for the system to use.

3 sockets (3 banks of 1) This indicates that there are 3 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.

4 sockets (2 banks of 2) This indicates that there are 4 memory slots. These are divided into 2 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.

8 sockets (4 banks of 2) This indicates that there are 8 memory slots. These are divided into 4 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.

12 sockets (3 banks of 4) This indicates that there are 12 memory slots. These are divided into 3 banks, and each bank consists of four memory slots. So you must add memory four pieces at a time (and they must be the same size and type of memory) in order for the system to benefit from the upgrade.