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here it shows that i have two memory slot

I am going to increase RAM size by add another DIMM in the 2nd slot of my motherboard. My concern is how to buy RAM online with exact voltage, speed, single or dual channel.

Will my mother board support both single channel & dual channel RAM?

If I cannot find second slot in my laptop, where would it be?

My laptop is an Lenovo E-4325,AMD A4 4300 HD Graphic processor. I cannot find the motherboard details.

  • 1. Your laptop might not have two sockets for SoDIMMs. LKook at a manual on the Lenovo website. 2. Single or dual: look in the manual once found. 3. Speed and voltage settings: look in the manual or run something like CPU-z. (assuming windows, no OS was specified in your question). – Hennes Nov 27 '17 at 10:50
  • i found speed and voltage by cpu-z ,i use windows 10.i cant get manual for my motherboard – jasinth premkumar Nov 27 '17 at 10:51
  • i doesnt contain anything about 2nd slot – jasinth premkumar Nov 27 '17 at 11:20
  • It does, See page 30. If there already is one first remove the old one. – Hennes Nov 27 '17 at 11:48
1

Will my mother board support both single channel & dual channel RAM?

Checking page 30 of the manual as linked to by @darius:

It consistently mentioned the memory slot. It never mentions plurals.
Your laptop only has one physical memory slot.

Page 30

If I cannot find second slot in my laptop, where would it be?

It is not there.

Will my mother board support both single channel & dual channel RAM?

No. It needs at least two memory sockets for dual channel mode.
as to the term 'Dual channel RAM'; that does not exist. What is often sold as Dual channel memory are two identical SoDIMM's. The SoDIMM itself is not special or in any way different from normal triple, quad or single channel memory SoDIMM's.

  • but my task manager says it has two slots – jasinth premkumar Nov 27 '17 at 13:32
  • What does it say precisely? Two physical present slots? A chipset capable of two or more slots? (onlyu one of which may be present). One slot with a regular dual rank memory module? (that is one physical memory module acting as two independant models in one slot.) ... ? – Hennes Nov 27 '17 at 15:33
  • but how could it be possible.it says "1 of 2 " what does that mean – jasinth premkumar Nov 27 '17 at 15:34
  • I suspect that it reads the chipsets capability. As in: The CPU is capable of driving two independant channels. Not 'the actual motherboard builder implemented it this way'. it is hard to tyest that for me though since I only got a 2/2 filled laptop (and 4/4, and 6/6 desktop). – Hennes Nov 27 '17 at 15:41
  • so it means i cant add another RAM – jasinth premkumar Nov 27 '17 at 15:45
1

I see you have already been linked the manual for the laptop. If this was not the case you can use wmic bios get serialnumber which will return your laptops serial number which you can then put into most manufacturers websites to get exact specifications and support for your specific product. I have recently learned that this command DOES NOT work with servers only works with OEM devices, so anyone reading should note that.

Looking at the diagram from the manual, it looks to me like you have two slots, but on top of eachother as opposed to adjacent. Here's a picture of what I mean, in any case it should be straightforward to open the laptop up and check. http://cdn.makeuseof.com/wp-content/uploads/2013/04/Upgrade-Laptop-RAM.png

I would think that armed with the serial number, you can check specs on the manufacturers website, and checking for dimm slots is straightforward. Once you know you're buying the right thing, installing is as easy as playing with lego.

Another thing to note are that RAM supposedly works better when you have 2 same brand (preferably same batch) sticks. So that's something to think about, although i've never thrown away decent RAM on behalf of it.

Hope some of this was helpful!

  • my Laptop is government gifted so RAM doesnt have any name on it . some are help full i found that my RAM is !600 mhz low voltage DDR3 – jasinth premkumar Nov 28 '17 at 13:33
  • my RAM slot has only one slot like in the image but where is the other one? – jasinth premkumar Nov 28 '17 at 13:35
  • Make sure you get a second stick to match DDR3 low voltage so! Some laptops allow you to mount two cards on top of each other like in the picture i.imgur.com/XZWI6au.png If you're looking at the slot and this doesn't seem to be the case then it just doesn't exist i'm afraid! – Ciaran McKenzie Nov 28 '17 at 15:51
  • i ll take a look at it .thank you all for the efforts .contact you guys later – jasinth premkumar Nov 28 '17 at 16:44
  • @jasinthpremkumar how did this go for you? Was either answer good enough to be accepted? – Ciaran McKenzie Dec 12 '17 at 11:53

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