ronnyabl Posted February 9, 2012 Share Posted February 9, 2012 Hello, I recently assembled my system and now I get sometimes (2-3x week) a popup that says "12V Rail is low 9,5 V" (only during gaming). My specs Asus M5A99 X Evo corsair XMS3 1333 4GB Corsair HX750 HIS HD6870 Ice Q Turbo Phenom II X4 965 BE Anybody an idea what this could be? Link to comment Share on other sites More sharing options...
wlw_wl Posted February 9, 2012 Share Posted February 9, 2012 Not possible. If you had 9,5V on 12V, your PC wouldn't work at all. Tell the software that pops that up to shut up and never believe software voltage readings. If you suspect voltage problems, use volt meter or multimeter to get a correct measurement. Link to comment Share on other sites More sharing options...
parsec Posted February 10, 2012 Share Posted February 10, 2012 If you are running multiple hardware monitoring programs at the same time, that can cause one of the programs to receive bad data, which could trigger an alarm. In my experience, the monitoring software provided by the hardware manufacture, usually a mother board, is the type most likely to get or incorrectly interpret data, which causes the alarm. As wlw said, a drop to 9.5V on the 12V rail would cause the PC to stop working. Link to comment Share on other sites More sharing options...
ronnyabl Posted February 11, 2012 Author Share Posted February 11, 2012 Ok, thanks for the info. I'm indeed using multiple progs to monitor the hardware. I use rainmeter on my desktop in combination with Core Temp and Speedfan. I also use AI suite from Asus to control my casefans and cpu fans. Link to comment Share on other sites More sharing options...
Garvin Posted February 11, 2012 Share Posted February 11, 2012 The trick is to find the monitoring utility or the version of the utility that is capable of correctly reading the particular type(s) of sensors incorporated on your motherboard. Frequently with the newest generation boards a software patch hasn't been written for the utility to correctly identify the sensors. Sometimes with the older boards a patch was never written. I've seen Speedfan values that would sear flesh but are stone cold to the touch and voltages near zero reading some motherboard's sensors. Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted February 14, 2012 Corsair Employee Share Posted February 14, 2012 I would check with your MB maker and see what utility they provide and use that to test system voltages. Link to comment Share on other sites More sharing options...
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