[WWARNER47]

I just recently purchased a new Samsung 1 GB DDR RAM PC-2700 ECC Registered 184-Pin DIMM for my computer and I already have another 1GB memory stick in my computer. Well for some reason whenever I check the system memory through the Control Panel/Performance & Maintenance/See Basic Information About My Computer, it says that I only have 1GB of memory on my computer. So for some reason my computer isn't recognizing my new 1GB memory stick that I put in. So I was wondering if you guys could help me figure out why and what I can do to try to fix this problem. Also if this helps I built my computer myself and so the Motherboard I have is a Asus P4V8X-MX Via Socket 478 Micro ATX Motherboard. Here is a link to some information about my Motherboard Motherboard Link

Also I have attached a screenshot of my Computer Info that shows my computer is only recognizing 1GB of memory and not the 2GB that I have installed. Well I hope I have provided enough information for you guys to be able to help me.

Thanks For Your Time & Help, Will

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your mobo only takes Non-ECC ram...
you put in PC-2700 ECC Registered
note...when pairing up ram ...they should be from the same manufacture and the same speed...

[happyrock]

your mobo only takes Non-ECC ram...
you put in PC-2700 ECC Registered
note...when pairing up ram ...they should be from the same manufacture and the same speed...

[WWARNER47]

Well Thank You for your help and I appreciate your quick response. Also I have one other question for you, what exactly is the difference between ECC and Non ECC memory and why do some computers take it but others don't. I mean I understand that each computer takes different memory types but that is a thing I have never heard of, the ECC memory.

Thanks Again For Your Time & Help!

[happyrock]

ECC stands for "Error Correction Codes" and is a method used to detect and correct errors introduced during storage or transmission of data. Certain kinds of RAM chips inside a computer implement this technique to correct data errors and are known as ECC Memory....ECC Memory chips are predominantly used in servers

for a little lite reading on RAM go here
and here at anandtech
after you get up to speed with those sites let me know and I will direct you to the heavy reading
there will be a quiz first though...