Okay, since I want to upgrade the RAM again, this post I just sharing to my friends about what to see if you want to upgrade the RAM Notebook, this discussion may be the same as the regular PC RAM, but may occur questions that roam around non notebooks, then the boundary problem post this time, I specify an again, that is just glued to the discussion RAM upgrade RAM notebook alone.
The most important thing to know before upgrading RAM is the following matters:
First thing to look at is the reason, "Why the hell should upgrade the RAM?". Do not let, do the upgrade just because they want to be, just because your friends jealous, just as an excuse to not slow blah blah blah. Perhaps the more pronounced it is true, when we will be upgrading the RAM, one thing that we feel is more speed than before the upgrade. But, one thing that sometimes we forget, if we are also hardware and software support in the upgrade or not? If not, upgrade frenzy that we do will be in vain. The first point noted well yes, because this key so early before the next points.
Basically, each processor has a memory specification criteria that are different from each other as determined by the manufacturer's own processor. My computer has a kind of first-generation i3 processor is the Intel ® Core ™ i3-390M. Currently i3 may have a lot of hanging around in some computers sold, but one thing to look at is the series / generation processor which usually included behind i3 [390M figures show that]. Well, according to the manufacturer maker [http://ark.intel.com/ please visit the site to know the specifications of the processor's memory], my laptop has the following specs:
Most importantly, the need to look at is the first three points, which is about the maximum memory that can be read, the type of memory that supports the processor, and the processor channel support us.
First point: Max Memory = 8GB.
The purpose of the first point is, reading the specified maximum memory is 8 GB, now then what happens if we instead plug the 16GB? Yes still, read also 8 GB. If we had known this, then we can adjust to the conditions contained in our notebook, so it is not a waste of money to just get the speed that "something" :)
Second point: Memory Type
The second point is the mean of the maximum speed of DDR3 RAM which is determined by the speed of 1066 MHz. Well kept us know how we speed DDR3 RAM speed is? That's what we should know first. In a market that has been circulated in RAM, we will encounter different types of DDR3 RAM is PC8500, PC10600, PC12800, PC15000. Each has the speed as follows:
PC8500 = 1060 Mhz
PC10600 = 1333 Mhz
PC12800 = 1600 Mhz
PC15000 = 1875 Mhz
PC16000 = 2000 Mhz
For problems please see the table on the following table:
For the above calculations, actually derived from the following calculation
For problems behind the numbers on the PC over the bold, means that (for example, in RAM PC8500) RAM could execute approximately 8500 MBps (Mega Bits Per Second), therefore to calculate the speed of executing the above figures, then the calculation is (1 byte = 8 bits) 8500 Mbps/8bit/Hz = 1062.5 Mhz (or commonly called the 1060 Mhz).
Practical formula: Let more easily, essentially living alone divided by 8 points behind the PC. :)
For the above data, the results of which I had the RAM specs, meaning that the maximum RAM that I had only capable of producing 1060 Mhz speed only, or the most appropriate installed on my laptop yes PC8500. And what if I plug PC12800? Read speed is also fixed, ie a maximum of 1060 MHz only, meaning that we attach RAM will experience a downgrade of the supposed speed of 1600 Mhz to 1060 Mhz only.
But, when I was looking for 8GB PC8500 (2x4GB/dual channel) does not exist in the market, then the only option I took was PC10600 8GB (2x4GB/dual channel), because I deliberately wanted to use that support dual channel [will be discussed at the points next]. The second point to be understood well if we want to talk about upgrading RAM so do not waste your money. :)
Third point: Channel Support Memory
For this problem, if the written number 2, then the processor support / can read Dual Channel RAM, so if the written number 3, it will be able to support read Triple Channel RAM. If more observant again, surely we will find in the market though the same amount of RAM, eg 8 GB, but a lot of attributes. As follows:
From these data, there are two types of RAM, 8 GB alike, but no frills latest dual channel RAM. One thing that distinguishes, if you buy both the RAM, the RAM for the [non-dual channel] you will get only one piece of 8 GB of RAM, but if you buy the very bottom, then you will get two pieces of RAM each each has the same capacity, which is 4 GB. And if asked, which one is faster? The logic is like this.
Capacity RAM capacity like the Toll Road [just think of the data as the car], the channel is like the toll door. If the capacity of the same highway, but the highway has one door, and the other two have a toll booth, of course, a car that could pass through the toll booth will be faster on the motorway which has completed two of the one right? The logic like that! Because of this phenomenon is indeed the case, then an appeal to the reader that if you want to install 4GB on a computer, then it would be better, if put up to 4GB Dual Channel [two pieces] of the 4GB Single Channel [the puck].
Additional Question 1: And what if we buy additional RAM at the same speed with which we charge? The answer is: not necessarily able to bring up the "dual channel". One of the conditions that could lead to the RAM is dual channel must be identical, must be the same brand, same speed should be the same chipset. Sometimes, the same brand and bring the maximum speed is also not dual channel facility, let alone different brands. Therefore, it would be better to buy a package that already provided by the existing RAM. Like the above data, eg a package that direct two-channel 8GB. :)
2 additional questions: What if we paired the two memory slots, but the speed difference? For example, although the same PC10600 PC8500 with a capacity of 4GB? The answer: the PC Speed will adjust to the speed of the smaller RAM. Therefore, make sure if you want to add RAM, it should be carefully used in RAM are already installed, but if we want to change the total.
Remember yes, dual channel RAM is actually not support dual channel, but its processor and motherboard who can accept / support dual channel.
Additional Question 3: How do we know the type of RAM that we charge? Answer: Please use the powerful tools in my opinion, that is HWinfo32. You can download it here or if you have not had time to download, you can run windows directly on the menu. Type in the Run: msinfo32 :)
OS / Operating System
One thing that is important to note that we have consumed and stored in the brain of some of the above. If we explore further, we are installing the OS on the computer will affect the amount of RAM that we post. The more I highlight here is about the 32bit/64bit issue on which we installed OS. Then, the question is, what is the effect of OS on RAM readout that we put? Come, let me explain.
Consciously, unconsciously, it turns out in fact, that we install the OS (either linux or windows) has a memory limit on each type. Here I will explain a lot about the windows, because nowadays many computer users use windows that may be more widely read, especially if associated with the development of types of windows that pretty quickly. But if it is associated with Linux, the core of the 32 and 64bit remains the same kok.
Basically, the difference of 32 and 64's are about as much capacity registers, ie a place to store data that can be handled in a single CPU operations / calculations. I would not be too much to discuss and processor registers, but the point that when we use 64 bits, space perverts on the register will be more, and when the registers have more capacity, it is also faster processing.
After learning a little difference in 64 and 32 bit, we will see an example of a memory limit is owned by their respective Windows OS [I take the example of windows 7], as follows:
Feel free to visit this address to find out other Windows OS memory limit. Can see how the above data it would be wasted if we did upgrade our memory / RAM but still uses 32 bits? :)
Additional Question 1: So, what we have to use 64 bits of the 32 bit? The answer: It's up to you. In fact, applications that exist today, most are 32 bits instead of 64 bits. 32 bit applications, sometimes can not be used on 64-bit, or sometimes the application is running slow, its driver software, too, can not be installed on a 32-bit 64-bit. It's a fact that you have to accept when we want to install 64 bit.
In addition, when we want to install 64 bit, we should see are: must support 64-bit processor. We can look at the site [intel] http://ark.intel.com/ processor to see if we support it or not. If it does not support 64 bit, so be patient as it will only be able to enjoy 32bit only.
Actually, on some versions of Windows, there is one feature that can make a processor that runs on 32-bit versions, to run on 64 bit, the feature called PAE (Physical Address Extension). According msdn.windows.com, Physical Address Extension (PAE) is a processor feature that Enables x86 processors to access more than 4 GB of physical memory on capable versions of Windows. But this is limited to the system it supports, such as
Windows 7 (32 bit only)
Windows Server 2008 (32-bit only)
Windows Vista (32-bit only)
Windows Server 2003 (32-bit only)
Windows XP (32-bit only)
Please feel free to address you directly for further msdn.windows see itself PAE or, you could also outsmart a bit of patch ever attempted here. :)
Additional Question 2: Based on the table above, means it can be upgraded to 192 GB of RAM? The answer: None. Returned to the first table of this article, the processor support in reading memory. :)
Finally, after much review the things that must be considered, the most important and most of all do not forget to consider your budget in buying RAM, and consideration of the above matters.