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registered DRAM DIMMS can not be mixed ...or do I need to update BIOS

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#1 Laura Oliver

Laura Oliver

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  • Local time:09:43 AM

Posted 26 June 2012 - 10:11 AM

We have had a dell power edge 1300-500 server with Windows 2000 for at least 12 years. We have operated just fine with 1 stick of 256 RAM, but recently I decided to add more RAM.

The RAM stick had the following information on its lable:



004 XA0661


I tried to order the RAM from Dell but DELL said I would have to go elsewhere, so I went to an online memory store and gave the online chat man the above numbers, and he told me to order (3) "32x72-100MHz PC100, 168p DIMM, 3.3v, Sync, ECC, Registered" part mumber 162ms-031-D 256mb 168 pin

I added the 3 new rams sticks along side my old ram stick and when I turned the server back on I got the following message Alert, unbufferred and registered DRAM DIMMS can not be mixed. and when I checked the properites of my computer it still said only 261mb.

So I took my old ram stick out and left in the 3 new sticks..... and the dern computer wouldnt even turn on.

So I went back to the online chat man and told him I thought I ordered the wrong thing,but he said no that what I had gotten was correct and that the message was wrong. and that I just need to update my BIOS.

I do not know what to think!

1) Why did I get the message Alert, unbufferred and registered DRAM DIMMS can not be mixed if I need to update the BIOS? Why didnt I get a message that said I needed to update my BIOS?

2) Is it not possible that the error message is correct and my 3 new sticks of ram are not compatiabile with my old stick? (except that the server wouldnt even turn on if I left out my old stick and just inserted the 3 new sticks)

3) Did I buyt the correct ram sticks?

4) If I need a BIOS update, which one do I download? Its seems they are all for Windows 2003 and I have 2000.

Any and all help appreciated,.


Edited by hamluis, 25 July 2012 - 12:33 PM.
Moved from NT to Internal Hardware - Hamluis.

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