bartolo Posted November 12, 2007 Share Posted November 12, 2007 I have a rma'd vx450w. My Pc specs are a gigabyte p35-ds4, 4x1GB ballistix, 7600GT. When i turn on the computer, all fans start and power is on, but after a few seconds, my system shutdowns and reboots. sometimes it go longer and boot to bios. I have tested this system with a generic-cheap power suply and a Seasonic S12-430, and with both it works ok(Also, memory voltage it's at manufacter settings, 2,2v). So it's my powersuply damaged? or is there a incompatibility with my gigabyte? or...is my mobo bad(even if it worked fine with my seasonic s12-430). PD: I tested both working psu using memtest for about 1 hour and had 0 reboots. Link to comment Share on other sites More sharing options...
DerekT Posted November 12, 2007 Share Posted November 12, 2007 Corsair PSUs have an "Over Current Protection" circuit which will not let the PSU go into regular power on mode if something is out of spec, most likely the +5Vsb. Your motherboard may be slightly out of spec and your generic-cheap power supply and Seasonic S12-430 probably do not have a n OCP circuit or one as sensitive as the ones Corsair employs, and thus not detecting the issue. To find out if this is what is happening, I would suggest testing the PSU on a known working system, and see if you have the same problems. If the board is slightly out of spec, you may want to get it replaced. Link to comment Share on other sites More sharing options...
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