PWM fan control low power
Hey all!
I just got my first Rockpro64 this week, works great but i have a small problem:
The cpu fan is running very slow, it is connected to the pwm header and set at the max value of 255 in software, but it's still very slow (enough that it needs a push to start spinning on startup), but when i connect the ground wire of the fan directly to ground (effectively closing the circuit) it actually goes max speed. That tells me it could have enough power to spin faster but it doesn't, does anyone have the same problem or is able to help me figure this out?

note: I was planning on putting a second case fan connected to the same header, tried it and none of the fans spin (i can see they get a tiny bit of power but not enough to spin)

Possibly Related Threads…
Thread Author Replies Views Last Post
  enble boot after power loss/restore dkebler 18 8,680 12-04-2023, 12:14 PM
Last Post: ok38
  PCIE interface power on too late Slark Xiao 0 926 11-29-2022, 11:56 PM
Last Post: Slark Xiao
  Automatic power on after power outage gechu 1 2,596 11-17-2022, 06:13 PM
Last Post: acj_
  After Power Loss feature working bdherouville 2 2,063 08-22-2022, 03:52 AM
Last Post: bdherouville
  ROCKPro64 sometimes doesn't Power On Pete Tandy 2 3,346 08-24-2021, 05:50 AM
Last Post: Pete Tandy
  Power Supply availability S265 2 3,726 06-07-2021, 09:20 PM
Last Post: S265
  control RP64 power on LMM 0 1,817 04-15-2021, 02:59 AM
Last Post: LMM
  Performance and Power Demand RockPro64 fotastisch 7 12,096 02-05-2021, 07:45 PM
Last Post: foresto
  Automatically run after power recovery thomas88 14 20,425 11-30-2020, 01:34 PM
Last Post: rolisr
  RockPro64 Power input m.ekstrom 0 2,324 05-19-2020, 03:28 AM
Last Post: m.ekstrom

Forum Jump:

Users browsing this thread: 1 Guest(s)