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Fan Control

Posted: Thu Jan 08, 2004 7:08 pm
by Worf
Can I use If statements to control my CPU fan?

I am asking because I dont like how when using the varibale control when CPU usage drops to 0% the fan stops spinning.

Should I have posted this at the LCDC site, if no one knows?

Posted: Thu Jan 08, 2004 10:34 pm
by FrankFuss
If you are using the LCDC GPO PWM/RPM control, you just enter a Mimimun PWM value greater than zero on the Configuration screen and it will not go below that value while LCDC is running. You should enter a non-zero Start/Stop setting and power-up value for the CPU fan. I use 25% for Minimum PWM and a 50% Start/Stop setting and power-up value for my CPU fan.

Posted: Mon Jan 12, 2004 4:20 pm
by Miles
And if you are concerned about the fans not running at start up, please see the following link...

http://www.lcdforums.com/forums/viewtopic.php?t=1465

Posted: Tue Jan 13, 2004 1:28 am
by Mat-Moo
FrankFuss wrote:If you are using the LCDC GPO PWM/RPM control, you just enter a Mimimun PWM value greater than zero on the Configuration screen and it will not go below that value while LCDC is running. You should enter a non-zero Start/Stop setting and power-up value for the CPU fan. I use 25% for Minimum PWM and a 50% Start/Stop setting and power-up value for my CPU fan.
This is spot on - just make sure you set a minimum level you want lcdc to set your fans to, so that they don't stop spinning.

i cannot even get that far

Posted: Thu Apr 08, 2004 2:01 pm
by kidgambino
I setup my MX222 and the GPO's wont even recognize my fans. They are running and i have the external power plugged in but i can read rpm, or control them in any way. I am not using temp probes. Any suggestions?

Posted: Thu Apr 08, 2004 2:24 pm
by Miles
Hello..

Can you communicate with the display? ie. turn contrast up/down, backlight off/on?

fan control

Posted: Thu Apr 08, 2004 3:31 pm
by kidgambino
yes, i can run all of the default displays. I even setup the GPO's in the config menu of LCDC.