Server PSU Hack - Dell N870P / NPS-885AB. 12VDC 71A 870W

A guide on how to make the, Dell N870P / NPS-885AB, server power supply run outside of its server enclosure. A simple circuit of 1K resistor from ground to pins 6A and 6C is required.
Pictures and schematic: kaizerpowerelectronics.dk/ele...
Discussion: highvoltageforum.net/index.ph...
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[@eugenmuller2892]

Have a nice day
You made an interesting video
The same unit was given to me for repair, the capacitance of the capacitors was greatly reduced, but on the board, which is standing vertically, the diode failed, the marking on the board “D2” case type TO-252/DPAK, the name was lost. There is no way to take another block
Do you have the same block or information about what kind of diode it is?

[@abeleski]

Would be nice to be able to also control fan speed but hey....better than no fan. Earmuffs😂

[@KaizerPowerElectronicsDk]

Someone did post link to a N750P power supply pinout, where fan PWM input is mentioned. So it might not be far from finding it among the remaining pins facebook.com/groups/ElectronicParts/posts/2338745386314783?comment_id=2338750239647631

[@abeleski]

Hmmm. That link takes me to facebook but not to the page i expected...just my homepge

[@KaizerPowerElectronicsDk]

maybe because it is in a group your not a member of. Facebook did nothing good for the open Internet :(

[@Mark.R_]

Fan noise is always an issue on these power supplies😢

[@yushrakarriem6199]

Hi I have the same power supply how do I push the voltage of it up to 14.4v