128Gb RAM in PowerEdge T140 possible?

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ElCoyote_

Active Member
Jul 22, 2016
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After negotiating with Lvl1 and Lvl2 Dell techs and asking for an escalation manager, I found myself in a zoom call with an escalation manager and a Dell engineer where I described the issue and why I thought Dell should agree to rollback that change in the next release of the BIOS.

They were sloppy because they did not update the T140 specs when the 32G UDIMMs came out (the machine can take 4 different CPUs, they all cap at 64G -except- the Xeon-D) and just made 64G RAM the max (they realized their mistake with the T150 and updated that one).
So for 20 minutes I explained that the T140 was gonna be EOL soon and that the right thing (for them) to do would be to roll back that change and allow 128G again. They don't have much to gain but it would piss off a lot of people in the homelab communities worldwide.
They have agreed to submit a request to their engineering for this.
We'll how it goes.


This is what Red Hat and Open Source have done to me: I'm no longer afraid to step up in front of the goliaths of this industry.
 

ElCoyote_

Active Member
Jul 22, 2016
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I've now had a few conversations with escalation managers from Dell and they were able to create an issue that was passed to their ENG team. The latest call was today and the Escalation manager said that Dell firmware ENG had agreed to allow 128G configs again for the Xeon-based T140 even though it's not in the official SPECS for the machine.
The person I had on the phone said that those configs would be re-enabled in the next T140 BIOS update that will be released in a few weeks.
So, let's wait and see.
 
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Samir

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Totally amazing--if 128GB is re-enabled at the next release, you are the person the world can thank. :)
 

ElCoyote_

Active Member
Jul 22, 2016
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Hi all,
BIOS 2.15.1 for the T140 came out today.
My 128G (4x32 ECC UDIMM) no longer reports an error under that BIOS and I'm now happily running 2.15.1 and 128G RAM.
Kudos go to Dell for listening and taking our feedback.


# dmidecode -t bios
# dmidecode 3.3
Getting SMBIOS data from sysfs.
SMBIOS 3.1 present.

Handle 0x0000, DMI type 0, 26 bytes
BIOS Information
Vendor: Dell Inc.
Version: 2.15.1
Release Date: 09/08/2023

[...]
# memconf
memconf: V3.15 16-Jul-2019 memconf - memory configuration on UNIX
hostname: ravenvale
Dell Inc. PowerEdge T140 (Eight-Core Hyper-Threaded Intel(R) Xeon(R) E-2278G @ 3.40GHz)
Memory Error Correction: Single-bit ECC
Maximum Memory: Unknown (DMI incorrectly reports 65536MB)
A1: 32 GB 2933 MT/s Synchronous Unbuffered (Unregistered) DDR4 DIMM, Hynix Semiconductor (Hyundai Electronics) HMAA4GU7AJR8N-WM
A2: 32 GB 2933 MT/s Synchronous Unbuffered (Unregistered) DDR4 DIMM, Hynix Semiconductor (Hyundai Electronics) HMAA4GU7AJR8N-WM
A3: 32 GB 2933 MT/s Synchronous Unbuffered (Unregistered) DDR4 DIMM, Hynix Semiconductor (Hyundai Electronics) HMAA4GU7AJR8N-WM
A4: 32 GB 2933 MT/s Synchronous Unbuffered (Unregistered) DDR4 DIMM, Hynix Semiconductor (Hyundai Electronics) HMAA4GU7AJR8N-WM
empty memory sockets: None
total memory = 131072MB (128GB)
 
Last edited:

Netwerkz101

Active Member
Dec 27, 2015
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Hi all,
BIOS 2.15.1 for the T140 came out today.
My 128G (4x32 ECC UDIMM) no longer reports an error under that BIOS and I'm now happily running 2.15.1 and 128G RAM.
Kudos go to Dell for listening and taking our feedback.
Thank you for posting these updates ... I had not followed.
My T140 is still on 2.12.2, but I plan to dust it off and upgrade firmware/BIOS.

You may want to update the Dell community threads too :)