Question about Dell Precision Workstation 470 (204816690) PC Desktop

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Dell Precision 470 Dual Processor will not boot to Windows XP Professional. Screen shows Loading Configuration...Done. Port #01 WDC WD800JD - 75JNC0 06.01C06 74.50 GB Healthy. SATA JBOD - Port - 1 WDC WD800JD - 75JN 74.50 GB Legacy. 1 JBOD Device found. BIOS Installed Successfully. F2 Setup shows Onboard SATA hard Drive and IDE hard drive both not present. F12 Boot Utility hard drive diagnostics shows Drive 0 as no device and Drive 1 75JNC0 - pass. I have tried the XP recovery disk but do not really know which commands to use and how.

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Enable "auto" in BIOS for drive #0 and drive #1. you can select IDE or SATA drive. restart the machine.

Posted on Dec 10, 2008

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Dell precision 670 diagnostic lights y g y


http://www.dell.com/support/Manuals/us/en/19/Product/precision-470

Click on -
Dell Precision Workstation 470 and 670 Computer User's Guide

In the list on the right side, click on - Tools to Help Solve Problems

In the list on the left side, click on - Diagnostic Lights

Yellow (A) Green (B) Yellow (C)

"A possible VRM 1 failure has occurred"

VRM stands for Voltage Regulator Module.

It regulates Voltage for the Processor.

The Processor MUST have a steady, 'clean', supply of Voltage; and it MUST be kept within the tight voltage range, for the Processor.

Too little, or too much; and the Processor turns off. (BIOS turns it off)

Your motherboard supports two Processors.

1) Processor (CPU_0) Zero which is in the middle of the motherboard, next to the PCI Express x16 slot;

2) and Processor (CPU_1) One, which is next to it.

The VRM 1 has failed. Needs to be replaced.

http://www.ebay.com/itm/DELL-H2703-PRECISION-470-670-VRM-VOLTAGE-REGULATOR-MODULE-TH-0H2703-WS470-WS670-/380369885440

VRM's used are interchangeable.

IMHO you can remove Processor 1 (CPU_1), and it's VRM, and still use the computer; albiet slower though.

For additional questions please post in a Comment.
Regards,
joecoolvette

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Your computer is trying to boot from a floppy drive. Do you even have one? If not, then you need to go into the BIOS (set-up) menu and disable it. Be careful though, you could loose all your data on the computer if you make a wrong selection. As for an array message, you must have have a RAID disk configuration. That means you have 2 or more disk drives that mirror each other.

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1 Answer

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

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1 Answer

My dell precision 470 processor fans over speeding


It seems like the processor is overheating. Maybe you need to spread out thermal paste on the CPU.

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1 Answer

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Ronwed

Unfortaintly if you have resetted the CPU but still having this issue then most likely the problem is with the CPU. Note you will want to replace the heatsink and fan as well. In addtion info know for sure that you had a thermal event (IE the system majorly over heating) it is possible that the motherboard is damaged as well.

Issken

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2 Answers

Can I use a SL8MA 2.8 dual core 4mb / 800 fsb processor in a dell precision 670?


I know this is late but it is the CORRECT answer.

Dell used different motherboards in the Precision 670 and they are listed as follows:
X0392XC837MG022U7565
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1 Answer

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Maybe this will help you out, it did me...

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Hope this helps,
If my solution helps please rate accordingly

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