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Thread: VERY low 12V reading on Antec Neopower 480W

  1. #1
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    VERY low 12V reading on Antec Neopower 480W

    Ive just installed speedfan and this is the reading for the 12v rail:

    5.65V

    and the -12V rail is -9.07v!

    Can this be right? I have a Leadtek K7NCR18D Pro motherboard and the psu happily ran 2 hard drives, 2 optical drives, 3 case fans, a silent boost hsf and a 6800gt agp and an Athlon Xp 2800+ overclocked to 2275Mhz.

    When I look in bios or use Leadteks own speedgear utility they do not display the 12v reading *they do show the 3.3v and 5v)

    Ive had no system instability, is it just a bad reading or my motherboard doesnt show 12v readings properly?

    I find it hard to believe the pc would boot properly, never mind run stably as it has done.

  2. #2
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    • Butcher's system
      • Motherboard:
      • MSI Z97 Gaming 3
      • CPU:
      • i7-4790K
      • Memory:
      • 8 GB Corsair 1866 MHz
      • Storage:
      • 120GB SSD, 240GB SSD, 2TB HDD
      • Graphics card(s):
      • MSI GTX 970
      • PSU:
      • Antec 650W
      • Case:
      • Big Black Cube!
      • Operating System:
      • Windows 7
    Use a multimeter to verify the voltages.

  3. #3
    Senior Member skuzgib's Avatar
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    It may be reading it wrong - have you checked it in the BIOS?

  4. #4
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    When I look in bios or use Leadteks own speedgear utility they do not display the 12 reading *they do show the 3.3v and 5v)

    doesnt show 12v in the bios

  5. #5
    sneaks quietly away. schmunk's Avatar
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    • schmunk's system
      • Motherboard:
      • Abit NF7-S v2.0
      • CPU:
      • AMD Athlon-M 2500+
      • Memory:
      • 1GB of Corsair BH-5 and 512MB of something else
      • Storage:
      • 160GB Seagate Barracuda
      • Graphics card(s):
      • ATI Radeon X800Pro, flashed to XT
      • PSU:
      • Hiper Type-M ~400W
      • Case:
      • Antec cheapy
      • Monitor(s):
      • AG Neovo F19 LCD
      • Internet:
      • Virgin Media 4MB/s
    If these readings were correct, your PC wouldn't boot.

    Try another program, such as SiSoft Sandra

    However, if the in-bios readings are the same as those for Speedfan, then it's the mobo sensors at fault.

  6. #6
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    Reading is wrong. I have used Antec Neo about 4 months with my FX55@3.2G with no problem. Update your bios maybe solve the problem.

  7. #7
    Amateur photographer Hans Voralberg's Avatar
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    Your comp must be dead by now if those reading are true. Get a multimeter, you'll get right reading.

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