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PSU Fan Replacement (enermax pro82+ 525w)

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post #11 of 15 (permalink) Old 02-22-2019, 02:05 AM
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Quote: Originally Posted by embuh456 View Post
the original fan is capable if 1500rpm like the new one. In my case the psu fan never goes to zero rpm. But it is regulated by power consumption i guess. Maybe it can be 0 rpm but my rigs drain is to high.
i don’t mind to buy a new as long it works. I will inform about to safely work with open psu.

I will ask enermax about my problem.

Thank you for your answers.

Darwin Award would be nice btw.
The maximum RPM isn't necessarily related to the minimum starting voltage. How are you testing this exactly?
Does the stock fan come on with no power draw? That would be nice info to have.
Are you jumping the PSU or just plugging it in? If you aren't jumping it the PSU won't even kick on.

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post #12 of 15 (permalink) Old 02-22-2019, 02:31 AM
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The fan Enermax used is an oddity: https://www.hardwaresecrets.com/ener...pply-review/2/

Should be able to adapt yours, if you are content with it spinning full speed all the time by only connecting the 12v.

Anyway, using a PSU until it dies is extremely poor practice for anything of value as PSUs generally degrade significantly before they stop working and can easily put other components at risk. Your model is also quite technically outdated for most uses.

I have a 650w of the same line...it powers my K6-III+ retro PC fine, but even though it was a quality unit when it was new and has only been lightly used for most of it's life, it's quite old and outdated. I would not rely on it for any modern system.

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post #13 of 15 (permalink) Old 02-22-2019, 03:23 AM - Thread Starter
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Enermax says it is not possible to change. Fan management was their own invention and is not compatible with any other fans.
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post #14 of 15 (permalink) Old 02-22-2019, 03:38 AM
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Here's what I decided to do here on my PSU:

I've replaced the original PSU fan because it was noisy, and I simply routed the new fan's cable to the outside. I'm then connecting the fan to a motherboard fan header.

This means the fan is not reacting to the PSU's temperature, instead it's controlled together with the rest of the case fans. I've set things up through fan control software to have all fans run slow when the PC is idle and fast when CPU or GPU are hot.
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post #15 of 15 (permalink) Old 02-22-2019, 03:53 AM
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Quote: Originally Posted by embuh456 View Post
Enermax says it is not possible to change. Fan management was their own invention and is not compatible with any other fans.
You can still wire a fan directly to either the +12v, +5v, or between the 12v and 5v lines (for +7v), if you don't care about it always being on and running at a fixed speed.

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