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Last active October 14, 2025 21:28
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HP Proliant Common Slot PSU DPS-1200FB infodump
HP Proliant Common Slot PSU range
Widely regarded as insanely high quality
Of special note from the range: 1200W version DPS-1200FB
P/N: 441830-001, 438202-001, 440785-001, HSTNS-PD11
1200W on 230VAC input
900W on 120VAC input
12VDC 100A output
Solder a 330-1kOhm resistor between 33 and 36 to make the supply power on by default.
Can be run in parallel to load-share: tie together pin 34 (LOAD_SHARE) of all PSUs in the bundle
Can be run in series for higher voltage (ref: seidel-philipp.de link)
Has I2C capability; onboard microcontroller reports output and can flash firmware over the channel (ref: raplin repo)
For power output, use an S-64-2.54-5 connector and solder/crimp + and - wires to each pin as required: https://www.aliexpress.com/item/33029711948.html
Simplest possible breakout: https://www.amazon.com/Breakout-Adapter-DPS-1200FB-Bitcoin-Antminer/dp/B01LYAI4A1
This guy did some heavy-duty shit with copper, drilling, and bolting: https://endless-sphere.com/sphere/threads/hp-dps-1200fb-a-1200w-server-psu-pin-functions.87356/
https://github.com/slundell/dps_charger
https://github.com/ButtSimpleIdeas/DPS-1200-I2C
https://github.com/raplin/DPS-1200FB
https://www.rchn.org/setting-hp-dps-1200fb-power-supply/
https://blog.seidel-philipp.de/hp-dps-1200fb-power-supply-hack-for-charging-lipos/
https://colintd.blogspot.com/2016/10/hacking-hp-common-slot-power-supplies.html
https://ke0ff.github.io/hpsc/DPS-1200FBA_mods.pdf
https://old.reddit.com/r/MoneroMining/comments/93ot6q/everything_you_need_to_know_about_hp_1200w_server/
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