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Thread: Antec True430




  1. #1
    Join Date
    Mar 2002
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    I just installed a new powersupply and I have never looked very closely at my voltages before. One of the voltages conscerns me. My +3.3V is only 1.5 volts. My computer runs fine, with no problems. Can anyone tell me if I should be conscerned or not. I have no idea what the +3.3V is for. I installed an Antec True430 into my Epox 8kha+ mobo with an AMD xp 2000. Not overclocked. Any ideas?
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  2. #2
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    Nov 2001
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    In most cases, the 3.3v rail is actually measuring the voltage to the AGP port. 1.5v is the default voltage level of an AGP 4x video card, so there is nothing to concern yourself with. :)
    Old age and treachery will overcome youth and skill
    My Toys

  3. #3
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    Mar 2002
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    I think you are right as usual. I found a reference to a V AGP voltage and I have checked and my agp card is a 4x. I am running a program called speed meter 4.06 and it monitors my fan rpms and voltages. I have noticed 2 other voltages that I can't verify the importance of. I have a listing for -12V and my power Supply is only putting out 1.79V and another reference to a -5V and my out put is only .33Volts. I am convinced that nothing is wrong with my computer, I am just wondering what voltages correspond to what functions and why my -12 and -5 Volts are so low. Could it be that I am not using these voltages and that these are just stray voltages and the ideal reading should be 0? Anyone out there know what these two voltages are for?
    Athlon 2000+
    epox 8kha+
    768MB crucial/micron DDR pc2100
    Pine geforce 2 AGP mx400
    SB Audigy mp3+
    20 GB Western Digital
    Creativelabs 52x CDROM
    Buslink 40x12x48 burner
    Asynchronus digital subscriber loop

  4. #4
    Join Date
    Mar 2002
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    Ok, Does anyone out there know what the -12v or -5V are used for? I have checked my bios and both of these two voltages are nonexistant for the most part. My comp. runs well and stable with this powersupply. I am at a loss. I don't know if I should return this Powersupply or not. Any Ideas?
    Athlon 2000+
    epox 8kha+
    768MB crucial/micron DDR pc2100
    Pine geforce 2 AGP mx400
    SB Audigy mp3+
    20 GB Western Digital
    Creativelabs 52x CDROM
    Buslink 40x12x48 burner
    Asynchronus digital subscriber loop

  5. #5
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    New England Highlands, Australia
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    The -5v and -12v are the negative ground rails for the positive ones. ;)
    <center>:cheers:</center>

  6. #6
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    Why would they be zero?
    Athlon 2000+
    epox 8kha+
    768MB crucial/micron DDR pc2100
    Pine geforce 2 AGP mx400
    SB Audigy mp3+
    20 GB Western Digital
    Creativelabs 52x CDROM
    Buslink 40x12x48 burner
    Asynchronus digital subscriber loop

  7. #7
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    It may just be that that software can't read the monitorin' hardware (if it's installed at all).
    <center>:cheers:</center>

  8. #8
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    Mar 2002
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    This could be true. I have tried other software as well as my Bios software. I suppose I can physically check the voltages. Has anyone out there ever done this. I have looked everywere on this site and Can't come up with a procedure to physically test the output voltages with a meter. I will simply dive in and start checking the voltages. I don't think It can hurt anything. I will let yall know.
    Athlon 2000+
    epox 8kha+
    768MB crucial/micron DDR pc2100
    Pine geforce 2 AGP mx400
    SB Audigy mp3+
    20 GB Western Digital
    Creativelabs 52x CDROM
    Buslink 40x12x48 burner
    Asynchronus digital subscriber loop

  9. #9
    Join Date
    Mar 2002
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    It is the Mobo. I physically checked my voltages with my meter at the mobo connector. I get -12v and -5v. For some reason my bios and any other software I load can't read these voltages. I don't know what winbond chips do but I have read that they are on the mobo and one of there purposes is to report fan speed and temperature. If it isn't the software and it isn't the powersupply then it must be the mobo. I think that I waited too long to replace my generic powersupply, or it could have been when I ran my Volcanoe 7+ and two 80mm fans off of the mobo 12 volt header(poor judgement). Everything else works, so I will leave things alone. Thanx for your input.
    Athlon 2000+
    epox 8kha+
    768MB crucial/micron DDR pc2100
    Pine geforce 2 AGP mx400
    SB Audigy mp3+
    20 GB Western Digital
    Creativelabs 52x CDROM
    Buslink 40x12x48 burner
    Asynchronus digital subscriber loop

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