This post is more than 5 years old
15 Posts
1
1066421
T7500 memory failure at DIMM3
Hi
I've decided to upgrade the memory on my T7500 from 8GB (two 4GB sticks) to 24GB (3 8GB sticks). They're ECC registered DDR3-1333 (and were previously installed in a T610 server), tested and known-to-be-working and good.
As the documentation says I've populated DIMM1 DIMM2 and DIMM3 but every time when I boot I see the message:
Alert! Memory failure detected at DIMM3!
If I hit F1 the system boots fine and all is good.
I've ran the system diagnostics, Windows Memory Test, etc - all seems fine.
I have 4 of those sticks and just in case moved all of them around in the slots - no change - always the message about DIMM3. And yet the memory there seems to work just fine.
I even put the 4th stick there - currently with 32GB - everything appears to be working fine, but I still get that message.
So my question - is this due to a BIOS upgrade/downgrade that I need to do?
My current BIOS version is A14 (which is the latest shown on the downloads) and processor is X5570 (the old 5500 series and not the new 5600).
Pretty much I'm hoping for some software solution as the system is out of warranty and I'd very much like that I don't have the case as in those reviews: http://reviews.dell.com/2341n/precision-t5500/dell-precision-t5500-reviews/reviews.htm?sort=rank
Any help or suggestion would be appreciated!
Thanks
p.s. I'd be happy even with a workaround where I do get the message but it doesn't stop the system from booting up.
JP Callan
28 Posts
0
October 19th, 2017 18:00
Deleted due to duplicate content.
JP Callan
28 Posts
1
October 19th, 2017 18:00
First, the heading "This question has been answered by hamada555" is misleading as there are a number of causes for this confusing BIOS error message and indicator light code; there is no one simple smoking gun cause and fix. I urge you to read this entire thread.
User "vstrinski" did us all a great favor by thoroughly documenting a description of the failure. Read his contribution to get a sense of things to try to coax out a solution.
I'll try to summarize much of what you'll find as you read the thread as to causes ---
Poor memory DIMM engagement with the motherboard or memory riser;
Defective memory DIMM;
Incompatible DIMMs;
Bent pins in the memory DIMM slots;
Bent pins in the CPU socket;
Damage to the contact array on the back side of the CPU;
Defective motherboard;
Defective replacement motherboard;
Incomplete/missing Dell memory DIMM hardware requirement documentation.
Best of luck to you isolating the cause. I would first of all ask you - Did anything recently change