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IBM ThinkPad 755Cs DX2 Memory RAM Upgrades

IBM ThinkPad 755Cs DX2 RAM Memory Specification

Choose the following RAM Memory Upgrade for IBM ThinkPad 755Cs DX2. 

How much memory can I upgrade my IBM ThinkPad 755Cs DX2 to and what is memory type it takes?

You can upgrade your IBM ThinkPad 755Cs DX2 upto a maximum of 36 MB, with maximum of per slot in 1 slot for memory or 2 on adapter card memory slots. The IBM ThinkPad 755Cs DX2 takes the The memory slot on the ThinkPad 755 Series can be used either for a Credit Card OR the Adapter Card. Credit Card memory can be installed directly into the memory slot. Alternatively, the Adapter Card can be installed in the memory slot. The Adapter Memory Type.

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 IBM ThinkPad 755Cs DX2 has 1 slot for memory or 2 on adapter card 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.

How do I install memory on my IBM ThinkPad 755Cs DX2?

Memory installation help guides can be found at the following link.
Memory Installation Guide
144-pin Laptop SO-DIMM Installation Guide
200-pin Laptop SO-DIMM Installation Guide

I still need some help on choosing my IBM ThinkPad 755Cs DX2 memory upgrade, what do I do?

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