A Wierd Experience....

Discussion in 'Hardware Q&A' started by Thor, Oct 6, 2006.

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  1. Thor

    Thor Member

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    This experience was really wierd and had me quite Scared.....Read on Pls...
    My House has 3 distinct Phases of Electricity connection.
    Due to some reason the CESC ppl had shut down the 2 other phases. Luckily the room where my PC resides :p was spared! What a relief...

    My PC Config:
    ASROCK 939NF4G-SATA2, AMD Athlon XP 64 Bit 3000+, Zion 512MB PC3200 Ram, 80 GB Seagate Sata HDD, 80 GB Seagate IDE HDD, Sony DVD Writer, Iball Cabinet (450 Watt PSU), Samsung Syncmaster 798MB Plus 17" , MS KB/Mouse , Creative Inspire 2.1 .

    **NO UPS ** Only a Spike Buster...
    -------------------------------
    Whoa!
    -------------------------------

    I powered on my PC....The XP loading screen came on..and the screen sort of greyed out!!!

    Damn....Restart....
    Huh ? Now the monitor LED is Blinking....and the HDD power LED is also blinking!
    WTF ?
    Hit Restart again!
    Same....
    Hit Restart...
    .
    .
    .
    Pissed!!! :x

    Power Off. Cabinet Sides opened. Sata Connector cable pulled off.
    Power On.
    Boot into Bios.
    Load Optimized Defaults.
    restart.
    Ah...."Start Windows Normally"....screen has cometh!!! Nice.... <Sata HDD Disconnected, IDE is still connected....it also had XP Installed...>
    Safe Mode chosen....
    Load.
    Load..
    Load...
    What ? Trying to Load..a***bus.sys... and then again restarts!!! :x

    twice More Same thing.....

    Connect Sata Cable...

    Again Monitor Blinks, HDD power Cable Blinks....!!!

    This has got me seriously worried......
    Thinking of formatting, fresh installation etc....

    Power of the other two phases r restored....

    PC also starts working fine....? WTF ?

    This was really very confusing. After reading this u may be confused too.
    Well... that's the idea..;)
     
  2. blackpearl

    blackpearl The Devil

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    Low voltage.
     
  3. sariq

    sariq Guest

    no confusion, it is due to unbalanced load.
    case1under balanced condition (all phases working) current through neutral wire is ~0Amp. thats why neutral wire has half size that of phase.
    case2when 2 phases were out neutral current =phase current. but netral has half the size. so there will be voltage drop, and result dip in voltage with increase in load.
     
  4. Tech Geek

    Tech Geek Wise Old Owl

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    can any one tell me how to create a thread
     
  5. Tech Geek

    Tech Geek Wise Old Owl

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    Thanks buddy!
     
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