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DELL PRECISION T7400 SECOND CPU NOT SUPPORTED

I upgrade my dell workstation T7400 with a second xeon CPU, when I start with win7 the blue screen appear with this massage configuation not supported

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  • Master
  • 3,400 Answers

IF YOU HAVE A PC-Os YOU NEED A SERVER Os.
A PC-LICENSE ONLY GOOD FOR ONE CPU,YOU NEED A
SERVER-Os.I SUGGEST YOU READ SAME ON THE NET ABOUT
IT.

Posted on Feb 14, 2014

6 Suggested Answers

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Posted on Jan 02, 2017

Backu
  • 42 Answers

SOURCE: Dell Precision Workstation 670

The 3 beeps is an indicator of, most likely, a memory fault. This could be caused by incorrect memory configuration (unsupported RAM type or speed), not fully seated RAM, or the RAM itself has been damaged in some way. Best advice I can give to you is to open your case and verify that all Memory Modules are fully seated and locked into position. If they are, next step would be to remove all but 1 chip, and try turning it on. If it turns on, then one that you removed is the culprit, if not, that particular module may be the culprit and change it for another. If, after all memory modules tried has not allowed the computer to start, I would recommend taking it to a service center to be checked, as they would be able to verify the MB has not gone bad with using a module they know to be good.

Hope this helps!

-Backu

Posted on Jan 15, 2008

  • 3940 Answers

SOURCE: Hard drive is not detecting intermediately

try a different SATA power connection, sometimes they work loose and this issue occurs.

Posted on Apr 03, 2009

the_fire
  • 432 Answers

SOURCE: Dell Precision Workstation 670

Try different memory modules ( RAM ) and see if it is just the RAM.

Also take anything else out you dont need - including dedicated graphics card assuming it has onboard graphics card ( if so then enable the onboard graphics card before taking out the dedicated one )

If its still the same then yes it is the motherboard in which case you need the motherboard replacing.

If you did the diagnostics that they walk you through and they still tell you its the motherboard then it will be the motherboard as there diagnostic software is accurate.

Posted on May 06, 2009

atang1
  • 734 Answers

SOURCE: dell precision workstation t7500 won't boot. Showing solid amber.

You may have to reinstall operating system by buying a Dell cd(from amazon) that reinstalls the operating system you had on the workstation.

Posted on Dec 07, 2011

joecoolvette
  • 5660 Answers

SOURCE: dell precision 470 work station processor fans over speed

Dell Support > Precision 470 Workstation Desktop PC > Users Guide,

http://support.dell.com/support/edocs/systems/ws470/en/ug_en/index.htm

Tools to Help Solve Problems > Diagnostic Lights,

http://support.dell.com/support/edocs/systems/ws470/en/ug_en/advtrbl.htm#wp1057482

"A possible VRM 0 has occurred"

VRM = Voltage Regulator Module

Here is what the motherboard looks like,

http://www.ebay.com/itm/DELL-PRECISION-Workstation-470-XC838-Motherboard-with-2GB-/140795014004?pt=Motherboards&hash=item20c8096b74

[Note* Posted for photo reference only. Not for advertising.
Besides, I do not see any VRM's plugged in. Means you get the motherboard only, and no VRM's. You need a VRM ]

What the Voltage Regulator Module looks like,

http://www.thebestpartinc.com/kg229.html

(Again, not for advertising. Click on the photo of the VRM to enlarge)

Notice that your motherboard has two VRM's. This is because there are two Processors.
Apparently the VRM for one of your Xeon processors is bad. (Z-on)

Since it states VRM -> 0, it is for the Processor 0, or in the number 1 processor socket.

What does a Voltage Regulator Module do for a Processor?
Regulates voltage.

A Processor MUST have a steady, 'clean' supply of voltage, AND it must be within the voltage range for the processor.

Since the motherboard uses an Intel E7525 motherboard chipset, it can support Intel Xeon processors, with up to an 800MegaHertz Front Side Bus. (800MHz FSB)

Looking at a typical Intel Xeon single-core processor, with an 800MHz FSB, let me show you it's voltage requirements,

1.287 to 1.400 (DC)

May be just a bad VRM.

However, I would also like you to look at the Electrolytic Capacitors on the motherboard. From what I have seen, those motherboards are notorious about having capacitors go bad.

Visual identification of bad Electrolytic Capacitors,

http://www.capacitorlab.com/visible-failures/index.htm

For additional questions please post in a Comment.

Regards,
joecoolvette

Posted on Jul 10, 2012

Testimonial: "I just bought Dell precision 670 and used it's VRM to fix mine and it worked alright, but the most astonish issue is that, the old Vrm also works on the new computer(Precision 670) whilst it doesn't work on the old computer (Precision 470). but thanks to the Fixya Team espcially Joecoolvette. "

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If this has been useful please leave positive feedback/vote/testimonial as this will help me greatly - Thank you again


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