Antec PS Fan Speed

[Tim]

I have an Antec TruePower 430 power supply. Is there any way to manually
increase the speed of its fans? They're thermally controlled by default,
and seem to be biased for low RPMs to minimize noise. However, my system
temperatures have risen since installing it and I'm wondering if faster RPMs
would help. Thanks in advance.

 

[David Besack]

I have an Antec TruePower 430 power supply. Is there any way to manually

increase the speed of its fans? They're thermally controlled by default,
and seem to be biased for low RPMs to minimize noise. However, my system
temperatures have risen since installing it and I'm wondering if faster RPMs
would help. Thanks in advance.

There's no documented way to do it that I'm aware of. Instead you could add
a fan to another part of your case (if airflow is definitely the problem).

 

[Tim]

There's no documented way to do it that I'm aware of. Instead you could add
a fan to another part of your case

Yes. I'm working on that solution, I just thought it would be simpler to
try increasing the PS fanspeed first.

(if airflow is definitely the problem).

It seems to be. The system temps increased by about ten degrees with the
addition of the new PS, which is the only change I made to the system. My
previous PS had no bottom fan so I assume that the airflow has changed
within the case. Although this seems to be a common problem with these
power supplies anyway.

 

[Guest]

I have an Antec TruePower 430 power supply. Is there any way
to manually increase the speed of its fans? They're thermally
controlled by default, and seem to be biased for low RPMs to
minimize noise

A pot soldered across the fan control thermistor will do the job.

 

[Tim]

Thanks for the info, everyone.

 

[Peter Santoro]

I have an Antec TruePower 430 power supply. Is there any way to manually
increase the speed of its fans? They're thermally controlled by default,
and seem to be biased for low RPMs to minimize noise. However, my system
temperatures have risen since installing it and I'm wondering if faster RPMs
would help. Thanks in advance.

This psu controls your fan, if you've connected it to a fan-only
connector. According to the manual, you can connect the fan to a
"regular 4-pin peripheral connector", if you don't want the psu to
control the fan. I've done this and the fan does speed up. It's
slightly more noise, but does appear to help my system run cooler.

Does anyone know if it's ok to mount this psu with the fan pointing up?
That would eliminate the warm psu air blowing directly towards the cpu
assembly. With my Antec Super Lanboy case, there's not a lot of room
(maybe 1/4 inch) between the top of the psu and the case top. I'm not
sure if this would cause the psu to over-heat.

Peter

 

[Tim]

This psu controls your fan, if you've connected it to a fan-only
connector. According to the manual, you can connect the fan to a
"regular 4-pin peripheral connector", if you don't want the psu to
control the fan. I've done this and the fan does speed up. It's
slightly more noise, but does appear to help my system run cooler.

It seems that the "quiet" trend in power supplies comes at the cost of
higher case temperatures. I never thought fan noise was an issue anyway -
just white noise, like an air conditioner (which, for a lot of us, is
synonymous with Summer anyway).

Does anyone know if it's ok to mount this psu with the fan pointing up?
That would eliminate the warm psu air blowing directly towards the cpu
assembly. With my Antec Super Lanboy case, there's not a lot of room
(maybe 1/4 inch) between the top of the psu and the case top. I'm not
sure if this would cause the psu to over-heat.

That's an excellent question. I would think, however, that you'll need
another fan for heat exhaust since you'll lose one by inverting the PSU.