I thought I had 16GB of RAM, but two of my four cards are only 1 GB. I'd like to replace them but I can't recall whether I have ECC or non-ECC RAM. Is there an easy way to check?
Windows 10: Memory ID-ECC or non-ECC? 
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New 14 May 2017 #1
Memory ID-ECC or non-ECC?
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New 14 May 2017 #2
Unless it is in a server, it is 99% going to be non-ECC
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New 14 May 2017 #3
Hi there
run the following from command or powershell to determine the memory type installed...
"wmic memphysical get memoryerrorcorrection" no quotes
The returned code is the type of memory installed: Key Below...
0 (0x0) Reserved
1 (0x1) Other
2 (0x2) Unknown
3 (0x3) None
4 (0x4) Parity
5 (0x5) Single-bit ECC
6 (0x6) Multi-bit ECC
7 (0x7) CRC
HTH
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New 14 May 2017 #4
Hmm.. I get "No Instance(s) available" when I run that command.jl2509 said:
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New 14 May 2017 #5
Just tried the same command on 5 separate systems with results as expected.
Used this command for many years and never seen "No Instance(s) available" before...
Can you run "wmic MEMORYCHIP get DataWidth,TotalWidth" no quotes
If the TotalWidth value is larger than the DataWidth value you have ECC memory.
The first method however is more reliable.
HTH
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New 14 May 2017 #6
I ran it and got a "3", so it's non-ECC.
My workstation can take either ECC or non-, but not both at once. I think it came with ECC, but only 4GB worth.
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Quote
New
14 May 2017
#8
Hmm.. get the same thing. My WMI database must be corrupted or something. It works on a different system, so it must be my main box.jl2509 said:
Oh well, I've been meaning to do a clean install on that for a while..
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