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Windows 7: What happens if you add more ram then supported?


29 Dec 2013   #1

Windows 8.1 Pro x86 (Temporary)
 
 
What happens if you add more ram then supported?

Ok, here is a question that might break the ice (Or the motherboard ) I know that my motherboard can only support up two sticks of ram, ddr2, and the limit is 4 gb. What would happen is I put like lets say......... 8 gb in a mother board that can only support up to four gigs? And if it would work, would ddr3 memory work in a ddr2 ram slot?


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29 Dec 2013   #2

Microsoft Community Contributor Award Recipient

Windows 7 Ultimate 64
 
 

First off ddr3 won't go into a ddr2 slot or vice-versa. Secondly adding too much ram than a mobo can support or than the OS can support are two different things. It's best to have matching sticks of memory only and not exceed the recommended max of either the mobo or OS.
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29 Dec 2013   #3

Windows 8.1 Pro x86 (Temporary)
 
 

Quote   Quote: Originally Posted by linnemeyerhere View Post
First off ddr3 won't go into a ddr2 slot or vice-versa. Secondly adding too much ram than a mobo can support or than the OS can support are two different things. It's best to have matching sticks of memory only and not exceed the recommended max of either the mobo or OS.



Thanks! I just wanted to know in case I do actually wanted to do it.
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29 Dec 2013   #4

Windows 8.1 Pro
 
 

It'll simply get ignored, in addition to possibly causing other problems.

And as been stated, DDR3 won't physically fit in a DDR 2 slot.
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30 Dec 2013   #5

Windows 7 Professional x64 Linux Mint 16
 
 

The PC might not even POST. You would get a long beep from the motherboard.

Also put a ddr3 stick on top of a ddr2 stick, you will see that the key (slot) does not line up, making it impossible for a ddr3 stick to fit in a ddr2 slot on the motherboard.
As mentioned.
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30 Dec 2013   #6
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

Quote   Quote: Originally Posted by AddRAM View Post
The PC might not even POST. You would get a long beep from the motherboard.
^^^This would be the most likely to happen.^^^
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02 Jan 2014   #7

Windows 8.1 Pro x86 (Temporary)
 
 

Quote   Quote: Originally Posted by Britton30 View Post
Quote   Quote: Originally Posted by AddRAM View Post
The PC might not even POST. You would get a long beep from the motherboard.
^^^This would be the most likely to happen.^^^
So, If I don't have a speaker on the board, The screen would just go black?
My System SpecsSystem Spec
02 Jan 2014   #8
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

Likely you monitor would not show any display, what does it do?
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03 Jan 2014   #9

Windows 8.1 Pro x86 (Temporary)
 
 

I have not bought any ram yet. Usually, The monitor would just go to sleep and never wake up until the monitor is unplugged from the PC.
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 What happens if you add more ram then supported?




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