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1Rising memory supply voltage

Last response: in Motherboards
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December 5, 2009 3:40:32 AM

I have been using a MSI mother board (K8MM-ILSR) with AMD 64 processor for the last five years. Of late the computer shuts down all of a sudden after working normally for about half an hour. If I switch on immediately, the memory does not count. I tried replacing the DDR card, but the problem continued. I started monitoring the voltage at pin 1 of the memory card and I found it increasing slowly from 1.0 V to 1.3-1.4 when the computer shuts down. I am now maintaining the voltage at 1.1 V by connecting two 1N4001 diodes in series with a limiting resistor of 22 Ohms between pin 1 and ground. It takes about three hours now to reach the tripping voltage. I know that this is not the right solution. Can any one help me to rectify this problem?

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December 5, 2009 2:01:41 PM

Replace the board. Sounds like the voltage regulators on the board are failing. That is of course unless you have the access to the schematics of the circuitry layout and have the skills and abilities to trace / troubleshoot the proper circuits and access to replacement components and the time and skill to replace the troublesome component(s).
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December 6, 2009 4:51:59 AM

Many thanks for the reply. The problem is that I will have to replace both the processor and the board as this board is not available in the market now. Along with it goes the good DDR sticks. Well, there is no other way, it seems!
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