Reply 160 of 222, by darry
This one is lifted from here Re: Help & advice needed - PSUs for (Ahtlon Xp 2600 + Geforce 4 TI 4200 & Pentium 4 + Voodoo 3 2000 (which mobo?) , but, IMHO, would fit nicely into this thread as well, so I am quoting it .
To Vogons mods : if doing this frowned upon, please let me know and I will refrain in the future .
darry wrote on 2021-08-04, 05:53:
I will soon know if my Asus P3B-F will work with an ATX v2.4 RM750x . […]
I will soon know if my Asus P3B-F will work with an ATX v2.4 RM750x .
The Enermax EG465P-VE PSU I was using had a little "accident". This accident involved an unused SATA power connector and the curiously designed backside of a Seagate 1TB SATA drive . You see, this drive's back has an indentation, which means the drive's top cover plate overhangs on top of that indentation. This overhang is just wide enough and deep enough for an unused SATA power connector to have somehow become lodged against it in a way that caused a short (I have trouble visualizing how exactly that happened, to be honest) .
I realized all this when I powered on the PC and heard a beep and turned the machine off so. I took only a few seconds (less than 20), but the both the connector and the insulation on various spots the SATA cable had started to melt . The PSU and the PC still seem to work (only had 1 video card, RAM and 1 HDD in it at the time), but I definitely do not trust this PSU any more as
a) Overcurrent protection did not kick in. I have accidentally caused a short 2 times before in my life (admittedly on newer) PSUs but I had never seen this kind of symptom as the PSU immediately shut off
b) I don't really know what damage this might have caused to the PSU, nor do I want to start replacing power cables .
So, the RM750x is coming out of my spares bin and will hopefully rise up to the occasion .
EDIT : The rail that shorted is the 3.3V one, based on the fact that the orange cable is the one with melted insulation .
So that 16-year old Enermax PSU may not actually be dead, but it is getting euthanized .