If you have started seeing at upgrading the Ram in your netbook to 2Gb then you have probably looked colse to at some forums and read user reviews and found that you are more confused now than when you started.
You might have seen terms like cl, 667 or 800Mhz and non-Ecc that made you wonder which type of memory that you needed. Well these numbers are all very important, and only obvious ones are compatible with your netbook. The best-selling and highest rated netbook memory is the Crucial 2Gb stick so I'll adress that singular brand, but this applies to all brands.
1gb
The first thing that you should know is that roughly all modern netbooks (well 95% of them along with Asus, Acer, etc) use the Atom processor which has a front-side bus speed of 667Mhz (for the N280, the N270 is 533Mhz). This is where the memory has to trip through in order for the processor to use it. This tells us that even if you get memory that is listed at 800Mhz it will not help anything, because in order to use it the computer has to underclock it to 667 (or 533)Mhz and some computers don't like to do this.
Another prominent thing to make sure is that the Ram you're seeing at is non-Ecc, and also of policy 200 pin So-Dimm. This basically just means that it will fit your netbook or laptop.
The third thing we need to look at is Cl, or cs latency. This is basically how fast the Ram itself can operate, or the delay time. The lower the cs latency amount the better. There are 2 top-selling types of Crucial Ram which you will probably see if you look it up and one is 800Mhz with a cl=6 while the other is 667Mhz with a cl=5.
Their prices are only a merge of dollars apart and most habitancy would get the 800Mhz reasoning it is faster, but no ifs ands or buts after the computer underclocks it to 667Mhz then the second one is faster because it has a smaller cs latency. That is the one I went with and I have had no problems, and I would say colse to a 50% improvement in speed and apps.
Now that you know which type of Ram to get here's a tutorial on how to install it.
Step 1: get the right Ram. Igot the Crucial 2Gb 667Mhz stick for from Amazon.
Step 2: turn off computer and remove battery.
Step 3: remove passage door to memory (mine had a small photograph of a ram stick on the door).
Step 4: push 2 small metal tabs away from memory stick
This will cause the memory stick to pop up:
Step 5: pull out 1Gb memory stick and replace with 2Gb stick. Make sure the pins are lined up (it will only go in one way). The Crucial sticker is on the bottom.
Step 6: Push Ram down until metal clips click, replace cover, re-insert battery and boot up computer. If you're running Xp then it will auto-recognize the Ram and no other steps are necessary.
Step 7: Once the computer is booted up hit (windows key+Pause) to bring up the theory properties box and check to make sure that the new memory is recognized.
If it does then you're done, if not you will need to re-boot while hitting F8 repeatedly to bring up the bios, then make your mind up the new Ram from the menu to make the computer identify it. Enjoy.
How to Upgrade Your Netbook's Memory From 1Gb to 2Gb of Ram
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