Uncategorized Jl. on 26 Mar 2010 01:48 pm
Received this error message from a Dell m600 blade. “The FBD Link To The Following Dimm Failed To Train: DIMM 7″
Quick Answer:Â Pull out the dimm pair in question (#7, pull #7 and #8 .. #4, pull out #3 and #4), reboot without the ram, shut down, replace the ram.Â That fixed it for us.
Our first troubleshooting went as follows:
Reseated the dimm, rearranged the dimm, ran the memory diagnostics from Dell, nothing.Â The BIOS recognized all the memory present, but it was blocking addressing to that bank – dimms 7 and 8, which took our 32gb of ram down to 24.Â What was fascinating is within Server 2008 the system properties showed 32gb, but the task manager only showed 24gb total.
Opened a Dell support call – three days, replacement memory, (and ASTOUNDINGLY a replacement motherboard) but NOTHING fixed it.Â Found this post – http://en.community.dell.com/forums/t/19257873.aspx – but the answer from the dell guy was typical and completely unhelpful.
I thought what the hell, pulled the memory in that bank, started up, shut down, replaced it, and rebooted, and we haven’t seen the issue since.Â I left the dell diags running memory burn in testing for over 24 hours without a single error.Â This seems to have fixed it.
It is possibly the most unhelpful, rarest Dell post error I’ve ever seen.Â The complete lack of hits on Google did not help.Â Hopefully this will help someone down the road.