Installed RAM 16 GB, only 4 GB in BIOS - Precision T5400

Hi all

I'm at the end of the roll, trying to make the best of my memory upgrade.

I am running Windows7 64-bit on Dell Precision T5400 single quad-core Intel Xeon E5405. Card mother 0RW203. BIOS version A11

Has obtained eight identical sticks of 2 GB of ram (for a total of 16GB) and installed on all the places available. Noticed on the properties of Windows - installed RAM 16 GB (4 GB usable). Tried to play with the allocations of virtual memory, but without success.

BIOS enabled and it showed all 8 locations occupied with 2 GB of ram, but the installed memory is 4 GB. Don't see any options for tweaking the settings of the BIOS for it to recognize all of the 16 GB of ram.

Checked each stick individually and all play nice and the CPU - Z reports installed as well, removing the issue of housing or the motherboard. I suspect that it is a BIOS problem, and I would be grateful to anyone who can suggest a solution.

I'll be happy to provide the additional information requested. I inherited the machine, so RMA and returns are out of the question.

Ok

Here is a temporary workaround

on my example

Initially, I had installed 4 GB / 4x1Go in slots 1-4 (white)

I wanted to move to 16GB / 8x2Go

And obviously had a same problem as the topic starter

But I managed to work the memory following the path:

  1. Install memory old back and let the bios not recognize
  2. restart and shut down pc
  3. install the new memory (16 GB / 8X2Go)
  4. After turning on, you will see the message "memory size has changed.
  5. strike the F1 to continue and just forget about the existance of the BIOS, because as soon as you go, chances are that your memory will be reduced

Clearly, this is a bug in the BIOS.

I use A11.

For DELL it would be really good remedy finally

Tags: Dell Software

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