troubleshooting Question

Chronic BSOD (Blue Screen of Death)

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esabetFlag for United States of America asked on
ComponentsHardwareMicrosoft Legacy OS
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I have a custom made PC and here are the basic specs:

Mobo: EVGA nForce 680i SLI
CPU: Intel Core Duo 2 E6700
RAM: 2GB OCZ Model No. OCZ2N10662GK

The OS sits on a RAID 0 and the RAID controller is built-in the mobo.  I have attached the mobo spec for detail review if need be.

When I originally purchased this custom PC, all was well but after a while I began getting BSODs, but only intermittently.

Since the BSODs were intermittent I did not think of it much and assumed it is typical of windows operating systems. At that time Windows Vista Ultimate was installed on the PC.

Then the BSODs became more and more often to the point I felt the PC is no longer stable and my first guess was that the OS is corrupt but at that time I did not felt like reinstalling the OS.

A few days later the PC would not POST and all I would hear at boot up was ONE LONG BEEP that would repeat about every 5 seconds or so with NO POST!

After few reads I decided to check the RAM and after many trials I discovered if I removed the two RAM modules closest to the CPU the PC would POST and boot into windows successfully.  At that time I was not using the OCZ Rams, they were Mushkins.

I assumed the two RAM modules that I had to remove were faulty and continued to use the PC without them but the BSOD issue was not really resolved and was happening more often, to the point I stopped using the PC as it was very unstable.

Recently I decided to purchase four new RAM modules and reinstall the OS and bring the PC back to life.  I checked the mobo website and purchased the four OCZ RAMS as they were listed to be supported by the mobo.

Before the new RAMS arrived I installed the new OS and this time for trial I choose to install Windows Server 2008 as I was told it is one of the most stable OS on the market today.  This way I could assess things better.

At first all was well and the PC would run for hours without interruptions and I thought "FANTASTIC".  I could not wait till I receive the 4 new RAM modules to make this a nice machine.

As the new RAM modules arrived, I removed what was already in the PC and installed the 4 new RAM modules.  BUT - as I powered up the PC all I heard was ONE LONG BEEP and NO POST!!!!  As soon as I removed the two RAM modules closest to the CPU the PC would boot up no problem.

So I contacted the manufacturer of the mobo.  After a few tests they said they think the second channel of the RAM on the mobo is bad (that is the two slots closest to the CPU) and I have to RMA the mobo.

Meanwhile I continued to use the PC with only the two RAM modules installed and leaving the second channel of the RAM alone.  The PC ran with no interruptions till I started to get the BSODs again.  At first it was very random but quickly it became more and more often and close and closer together.  Last night it happened within 15 minutes of each other and I snapped a picture of both occurrences and have attached here.

Since I have not really been using the second channel of the RAM I don't understand the BSODs. Why is it at first I have no BSOD and then slowly they start appearing and become more and more often???  Any explanations?

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