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Old 01-20-2010, 05:45 PM   #1 (permalink)
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Default Checking a pentium 4 chip

Hi,
i removed a pentium 4 chip from the mob and mearured a resistance of 4 ohms across the the capacitors on the bottom side of the chip.Is this a bad shorted chip
How much it will measure for a good chip
Please let me know your opnion.I can send you a picture of the way I am making this measurement
Thanks
jacob
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Old 01-20-2010, 06:03 PM   #2 (permalink)
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Default Re: Checking a pentium 4 chip

Why did you do that? Did you suspect it to be bad?
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Old 01-20-2010, 06:43 PM   #3 (permalink)
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Default Re: Checking a pentium 4 chip

Thank you for looking into it
My atx power supply (and also a known good one)couldn't power up mob.
I am assuming the power good signal to shutoff the p.s is send by cpu.
(with cpu removed also p.s couln't power up the mob)
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Old 01-20-2010, 07:04 PM   #4 (permalink)
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Default Re: Checking a pentium 4 chip

Are you sure you haven't just put the power cable on the wrong pin on your motherboard? some people tend to do that and not notice
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Old 01-21-2010, 10:56 AM   #5 (permalink)
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Default Re: Checking a pentium 4 chip

Quote:
Originally Posted by pcboy09 View Post
Are you sure you haven't just put the power cable on the wrong pin on your motherboard? some people tend to do that and not notice
It was plugged into the correct pins
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Old 01-21-2010, 02:27 PM   #6 (permalink)
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Default Re: Checking a pentium 4 chip

Well PSUs and motherboards fail much more frequently than CPUs... but I still don't understand why you took this specific action? Were you advised to do it?
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Old 01-21-2010, 04:41 PM   #7 (permalink)
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Default Re: Checking a pentium 4 chip

replace the mobo
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