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Intel Motherboards & CPUs Questions or comments on INTEL products?


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  #1 (permalink)  
Old 22nd March, 2007, 09:39 PM
mz_ mz_ is offline
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ASUS P5W-DH AC Power Loss?

Having issues with the AC Powers Loss feature. Living in Florida, the power goes out alot for 'short' amounts of time (sometimes, just on and off). Using BIOS 2001 have it set to stay 'OFF' on AC Power Loss, however everytime I get home when we had power lost this is what I get;

The system is on in some kind of sleep mode? System is on, LED's are Dim, Fans are running expcept the CPU Fan, and I can't get any video. So I turn the system off for a few minutes, reboot.. powers up, but not into BIOS or Windows, until I reset my BIOS via the jumper.

Is there a reason why the system don't stay off after AC power Loss? even having it set to 'power off'?

I might have to get a backup unit to avoid all of this.
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Old 23rd March, 2007, 01:06 AM
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the loss of power is clearing CMOS. you need a UPS..is the only way.
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Old 23rd March, 2007, 01:37 AM
mz_ mz_ is offline
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Thanks. That was my guess, but wanted to be sure.
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Old 23rd March, 2007, 01:40 AM
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or just turn it off at the wall when you go out so the spike of ac power going off / on wont do strange things. It could be the way the power goes on / off that confuses it
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Old 23rd March, 2007, 10:15 AM
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Generally when the utility power goes up and down, isn't a clean turn on/off like when you unplug your PC. Instead the voltage undershoots and overshoots for a little while until the power is stablised. This isn't good for your PC, and might be why odd things happen.
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