ConstantinGhost Posted October 1, 2020 Share Posted October 1, 2020 Hi all, Hope everyone is well. First this is about an HP desktop (Z400) at work, so I can't mod much but can be creative if a solution sounds reasonable. I recently ordered an RM750X (new) and got it today. I installed it with no major hassle. Before connecting anything else besides the power supply I powered up the PC and got a "power failure" code. The original HP P/S was working fine and everything else before doing the swap. I removed all the cards installed and only have the P/S connected but still get the code. I tried the paper clip test and that seems to be ok, DVD drive turns on and seems to work. I measured the voltage on the CPU connector (I'm using only 4 pins) during the paper clip test and got 11.89V which seems a bit low but within acceptable operational specs. What could be wrong here, a bad or incorrectly wired cable, any suggestions? Yes, I did go back to the HP P/S and all is working fine. Link to comment Share on other sites More sharing options...
Corsair Employee jonnyguru Posted October 1, 2020 Corsair Employee Share Posted October 1, 2020 To my knowledge, an HP Z400 is not a standard ATX PSU pinout. You have 24-pins, but they're all in different places. Link to comment Share on other sites More sharing options...
ConstantinGhost Posted October 2, 2020 Author Share Posted October 2, 2020 :eek: Thanks! That's a fun tidbit of info, of course, it's HP. Makes me think back in the day when HP was programming in reverse polish while every one else was on a different page programming in any other normal, widely used language. Any idea if the guys at Corsair have this cable configuration ready made or if they can make one? :greencry: Link to comment Share on other sites More sharing options...
Corsair Employee jonnyguru Posted October 2, 2020 Corsair Employee Share Posted October 2, 2020 It's an HP only pinout. It's not even widly used by HP (only a few models use it). If we made it, we'd sell maybe two. I did Google it and found an adapter that supposedly takes the standard 24-pin pinout and converts it to the HP Z400 pinout: https://www.moddiy.com/products/ATX-to-HP-Z400-24-Pin-Non-Standard-ATX-Pinout-Main-Power-Adapter-Cable.html ModDIY is trustworthy. I use them all of the time. Link to comment Share on other sites More sharing options...
ConstantinGhost Posted October 3, 2020 Author Share Posted October 3, 2020 Really big thanks!!! :headbang: I will be checking the site for availability and if they can ship to us. Thanks again, CHEERS!! :D: Link to comment Share on other sites More sharing options...
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