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jbanter
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Last Activity: 04-19-2013, 04:35 AM
Joined: 07-08-2010
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  • jbanter
    replied to odd motherboard voltage reading
    in General Capacitor Questions & Issues
    Re: odd motherboard voltage reading



    That's a handful of caps to replace.
    Thanks for explaining.

    By the way, I found out what caused my voltage spike. It turns out reseating the CPU and make sure it is fastened before locking it, fix the issue. At least so far, and I hope it stays that way. ...
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  • jbanter
    replied to odd motherboard voltage reading
    in General Capacitor Questions & Issues
    Re: odd motherboard voltage reading



    I'll have a look at such caps but the markings are so small on those smaller caps. It's a bit tricky....
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  • jbanter
    replied to odd motherboard voltage reading
    in General Capacitor Questions & Issues
    Re: odd motherboard voltage reading



    I had to read few times but I think I sort of get it. The drawing does help though, thanks.
    The bios setting is set to off after power failure. What are the likely suspects for this ground?...
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  • jbanter
    replied to odd motherboard voltage reading
    in General Capacitor Questions & Issues
    Re: odd motherboard voltage reading



    Are the markings on the board and not the component? I think the first picture in my [URL="https://www.badcaps.net/forum/showpost.php?p=114332&postcount=23"]post[/URL] shows one of the components. Is it the one?
    If so, I only found Q1B1, B3; Q2B1, B2, B3 and Q3B1, B2, B3 on the board. But there's no visible discoloration or cracks.

    Another thing what can cause a motherboard to power on by itself, when the switch at the back of the PSU is turned on? The front panel connector is not even connected...
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  • jbanter
    replied to odd motherboard voltage reading
    in General Capacitor Questions & Issues
    Re: odd motherboard voltage reading



    VRM MOSFETS? It sounds like something I read before, can't remember now. Where is it located?
    Suppose it has traits you mentioned, is it replaceable?



    lol, yeah I don't think I'll be able to find a P4 CPU anymore around here. But I get what he's saying though, thanks. ...
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  • jbanter
    replied to odd motherboard voltage reading
    in General Capacitor Questions & Issues
    Re: odd motherboard voltage reading



    Good to know thanks.
    I'm thinking of putting the motherboard back to the tech shop. Ask them to check the board voltage with a multimeter. But I just haven't got the time to do so.



    I took a look inside before but didn't see anything visually that warranted a concern. But this motherboard did go through a dead PSU before.

    As for problems, I haven't experienced anything aside from the constant alert from the monitoring software every now and then. But I haven't run it very long...
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  • jbanter
    replied to odd motherboard voltage reading
    in General Capacitor Questions & Issues
    Re: odd motherboard voltage reading


    Oh. I did suspect that then I went to download speed fan to check. Another weird thing happened. At first, the software registered my computer to have 1 set of the 12v, 5v, 3v but after a restart I have another set with different values. These values are around 1 volts or so. I haven't had time to check again since.



    Oh I see, but these along the Panasonic FL are taken from old motherboard, should I be concern?


    I did see some of that before but I wasn't sure because it's not very noticeable....
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  • jbanter
    replied to odd motherboard voltage reading
    in General Capacitor Questions & Issues
    Re: odd motherboard voltage reading

    What's SW?

    I have taken some pictures of the capacitors on my board.


    These are the replaced caps, I think the tall one is Panasonic FL but I have no idea what the short one is.


    Side picture of the yellow one.


    I found a few Rubycons and bunch of Nichicon VR(M).






    So far I see Rubycon MCZ, green caps with KZE marking, Nichicon VR(M), similar looking caps to Nichicon VR(M) but without the plus/cross vent....
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  • jbanter
    replied to odd motherboard voltage reading
    in General Capacitor Questions & Issues
    Re: odd motherboard voltage reading

    Thanks PCBONES.
    I'm not with the motherboard at the moment, I'll have a look later.
    But if I remember correctly, I think I've seen the Nichicon HM and something like KZJ/KZG top vent but the caps are green. I've seen the panasonic vent on some of the replaced caps, but I don't remember the color.

    I'm just curious though does the random voltage spike like I said before can have a bad effect to the rest of the components on the board? Like RAM, CPU, GPU, PCI cards.
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  • jbanter
    replied to odd motherboard voltage reading
    in General Capacitor Questions & Issues
    Re: odd motherboard voltage reading



    Thanks for the pictures, I don't have my camera with me so I can't take picture.



    Yep as far as I know, the tech only replaced the bloated caps on the side of the CPU socket. There are about 10 caps or so. [URL=https://www.badcaps.net/forum/attachment.php?attachmentid=16922]The row of caps between the CPU and the 2 yellow circular thingy.[/URL] (this is not my motherboard, picture taken from kaniki's post) So other than these, you're saying the smaller caps could also be bad (without any visible sign)...
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  • jbanter
    replied to odd motherboard voltage reading
    in General Capacitor Questions & Issues
    Re: odd motherboard voltage reading

    I didn't expect so many replied already. But thank you

    I live in Indonesia so that may explain why the tech says he can't find a new ones. I actually put the motherboard in another shop before, and after 3 weeks nothing could be done. He said that he couldn't get the parts also. So I was actually glad that I found a guy who could do it. Anyway I paid about US$16 for the service, incl parts.

    I didn't take picture of the old caps because initially I didn't know what cause my motherboard to die. Also, I had not...
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  • jbanter
    started a topic odd motherboard voltage reading
    in General Capacitor Questions & Issues

    odd motherboard voltage reading

    Hi, I just recently found this website and I must say it's very informative and helpful.

    Anyway, I have an old P4 machine with Intel D865PERL motherboard. I have recently had my local computer shop replaced the capacitors on my motherboard. It couldn't do POST. There were bulging caps on the side of the CPU socket. I don't know how many caps were replaced but the computer does work again.

    After a while, I notice that my Intel active monitoring software is alerting me of spikes outside the threshold. One time, its the CPU temp gone to 100C, then 12V gone to 15V, then...
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