Dell memory error after replacing memory chip

We originally experienced BSOD: IRQL not less than or equal.  Ran Dell Diagnostics which show ed a memory error at address 0_305D5F2Ch and location DIMM B.  After back & forth with Dell (!!) received refurbished chip.   Replaced DIMM B, and ran Dell Diagnostics again.  A memory integrity error wiith the same exact address showed up for the new chip as well.  Any suggestions?
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dovidfCEOAsked:
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PUNKYCommented:
If you dont place any memory at that slot, what test result show?
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dovidfCEOAuthor Commented:
We will try that.

Is there some way to tell which chip an address is mapped to?
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PUNKYCommented:
You have to trust Dell diagnostic though. If it tested and indicated to that slot, then it is there. Just do a test without chip on that slot to see what happens. And please post back.
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mohd_haqCommented:
one more thing you could try is to put the new memroy module into DIMM A where the good is and put the old good memory module to the DIMM B where you had the problem. try running the diagnostis scan and see where the error occurs. If its on DIMM B then the problem is with the Slot.
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nobusCommented:
i would test 1 ram stick at the time first in the 1st slot, to see if the sticks produce errors; then i would test them in all slots you need.
note that it can be a fault in the Ram controller, in which case you need a new mobo
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f-kingIT support technicianCommented:
If you keep getting errors on that slot it could be a faulty motherboard.
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dovidfCEOAuthor Commented:
swapped the chips and got the same error.

Took out one of the dimms and it passed the memory test.

Looks like a ram controller problem
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PUNKYCommented:
New motherboard needed unless you can live with 1 slot of it. Sorry.
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f-kingIT support technicianCommented:
If its under warranty you should take it back.
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dovidfCEOAuthor Commented:
The warranty may have just run out. However, since this issue started before the end, I believe they will honor it. However, we have to convince them that the motherboard is the problem. We will  have to find someone who understands what is going on
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dovidfCEOAuthor Commented:
Well, the motherboard was changed and instead of getting an error at 0_305D5F2Ch, I now get an error at 0_305D5F6Ch. The high order byte 2 bit is stuck.

Is this a known motherboard problem for the Dell inspiron 1705?

Is there some way to stuff something in this memory location so that it doesn't get accessed by any program?

What's next?
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nobusCommented:
it can be the old mobo ruined the ram stick(s)..can you test them on another PC?
use memtest86+ from www.memtest.org
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dovidfCEOAuthor Commented:
I replaced the old dimm with a new one and now everything is ok.
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dovidfCEOAuthor Commented:
I had originally used this chip before the motherboard change and it exhibited an error. The new motherboard and the new chip did the trick.
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nobusCommented:
ok - good its running
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