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Sony VAIO VGN-AR270 Memory RAM Upgrades

Sony VAIO VGN-AR270 RAM Memory Specification

Choose the following RAM Memory Upgrade for Sony VAIO VGN-AR270. 

How much memory can I upgrade my Sony VAIO VGN-AR270 to and what is memory type it takes?

You can upgrade your Sony VAIO VGN-AR270 upto a maximum of 2.0 GB, with maximum of 1GB per slot in 2 memory slots. The Sony VAIO VGN-AR270 takes the PC2-4200 DDR2 SDRAM SODIMMs 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 Sony VAIO VGN-AR270 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.

How do I install memory on my Sony VAIO VGN-AR270?

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 Sony VAIO VGN-AR270 memory upgrade, what do I do?

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