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slow down fan when its not being used[solved]
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tuppe666
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PostPosted: Tue Dec 25, 2007 5:08 pm    Post subject: slow down fan when its not being used[solved] Reply with quote

I have an ASUS P5E-VM HDMI and I just can't slow the fan down. It has a 3pin connector to the motherboard, and I can get information from it, but other than that it seems to spin constantly at 1960. I don't seen anything in the bios other than running it at performance/silent/nothing none of which seem to change it from it spinning at a constant ~1950 constantly. I probably don't have something switched on; aren't running the right thing, but I'm lost.

I got lm-sensors working and it gives this output.

Quote:
sensors

Code:

w83627dhg-isa-0290
Adapter: ISA adapter
VCore:     +1.13 V  (min =  +0.00 V, max =  +1.74 V)
in1:      +11.25 V  (min = +10.24 V, max =  +3.38 V) ALARM
AVCC:      +3.30 V  (min =  +0.80 V, max =  +0.46 V) ALARM
3VCC:      +3.30 V  (min =  +1.04 V, max =  +0.56 V) ALARM
in4:       +1.51 V  (min =  +0.22 V, max =  +0.15 V) ALARM
in5:       +1.66 V  (min =  +1.47 V, max =  +0.00 V) ALARM
in6:       +4.94 V  (min =  +3.74 V, max =  +1.48 V) ALARM
VSB:       +3.30 V  (min =  +2.34 V, max =  +0.29 V) ALARM
VBAT:      +3.23 V  (min =  +2.42 V, max =  +0.03 V) ALARM
Case Fan:    0 RPM  (min =    0 RPM, div = 16) ALARM
CPU Fan:  1962 RPM  (min = 2596 RPM, div = 4) ALARM
Aux Fan:     0 RPM  (min = 19852 RPM, div = 4) ALARM
fan5:        0 RPM  (min = 6887 RPM, div = 2) ALARM
Sys Temp:    +40°C  (high =  +103°C, hyst =   +16°C)  [thermistor]
CPU Temp:  +23.0°C  (high = +80.0°C, hyst = +75.0°C)  [CPU diode ]
AUX Temp: +124.5°C  (high = +80.0°C, hyst = +75.0°C)  [thermistor] ALARM
vid:      +0.000 V

coretemp-isa-0000
Adapter: ISA adapter
Core 0:      +36°C  (high =  +100°C)                   

coretemp-isa-0001
Adapter: ISA adapter
Core 1:      +36°C  (high =  +100°C)                   

coretemp-isa-0002
Adapter: ISA adapter
Core 2:      +33°C  (high =  +100°C)                   

coretemp-isa-0003
Adapter: ISA adapter
Core 3:      +34°C  (high =  +100°C)   


Last edited by tuppe666 on Fri Jan 04, 2008 1:36 am; edited 1 time in total
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format_c
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PostPosted: Tue Dec 25, 2007 6:42 pm    Post subject: Reply with quote

Maybe an ACPI issue.
Compiled into kernel?
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OmSai
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PostPosted: Tue Dec 25, 2007 8:18 pm    Post subject: Reply with quote

tuppe666 wrote:
I don't seen anything in the bios other than running it at performance/silent/nothing none of which seem to change it from it spinning at a constant ~1950 constantly.

You have to enable Q-Fan in the BIOS first.
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PostPosted: Tue Dec 25, 2007 8:30 pm    Post subject: Reply with quote

om wrote:
tuppe666 wrote:
I don't seen anything in the bios other than running it at performance/silent/nothing none of which seem to change it from it spinning at a constant ~1950 constantly.

You have to enable Q-Fan in the BIOS first.


++

but be careful, if the rpms drop too low it might signal a "dead fan" alarm.

cheers
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tuppe666
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PostPosted: Tue Dec 25, 2007 10:22 pm    Post subject: Reply with quote

I'm Pretty sure I have Q-Fan switched on in the BIOS
Quote:

Power--->ACPI 2.0 Support [Enabled]
ACPI APIC Support [Enabled]
Hardware monitor--->CPU FAN Speed [1950RPM]
CPU Q-Fan Control [Enabled]
CPU Fan Profile [SilentMode]


I don't know whether its relevent but pwmconfig finds 3 PWM controllers but 4 fans

Code:
Found the following PWM controls:
   hwmon0/device/pwm1
   hwmon0/device/pwm2
   hwmon0/device/pwm3

Found the following fan sensors:
   hwmon0/device/fan1_input     current speed: 0 ... skipping!
   hwmon0/device/fan2_input     current speed: 1939 RPM
   hwmon0/device/fan3_input     current speed: 0 ... skipping!
   hwmon0/device/fan5_input     current speed: 0 ... skipping!
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OmSai
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PostPosted: Wed Dec 26, 2007 1:07 am    Post subject: Reply with quote

Just to clarify, the two means of controlling your fan speed are
  1. Q-fan .. native to ASUS motherboards
    (completely automatic control of CPU + case fans handled by BIOS)

  2. fancontrol
    (completely manual control of CPU + case fans)

If you elect to use q-fan, you still can over-ride it with manual control using fancontrol (I've tested it)

Since your fan still holds at 1960 RPM, try switching to other the 3-pin outlets on your motherboard:
    Why? ...because maybe not all of the controllers work

    My ASUS motherboard is a little strange (M2NBP-VM) and it cannot control one of its case fans
    Of the two 3-pin case fan outlets, only one pwm controller actually works.
    The other controller is detected but cannot affect the fan speed in any way.

tuppe666 wrote:
I don't know whether its relevent but pwmconfig finds 3 PWM controllers but 4 fans

Code:
Found the following PWM controls:
   hwmon0/device/pwm1
   hwmon0/device/pwm2
   hwmon0/device/pwm3

Found the following fan sensors:
   hwmon0/device/fan1_input     current speed: 0 ... skipping!
   hwmon0/device/fan2_input     current speed: 1939 RPM
   hwmon0/device/fan3_input     current speed: 0 ... skipping!
   hwmon0/device/fan5_input     current speed: 0 ... skipping!
That tells me that the motherboard was not designed to control all the case fan speeds.
I can't say for sure since I don't have your exact motherboard model.

EDIT: I don't think controlling case fan speed is particularly beneficial though...unless your sucking air in for a silent heatsink
Most noise, imho, typically comes from the CPU fan and, sometimes, the power supply fan

format_c wrote:
Maybe an ACPI issue.
Compiled into kernel?
If it wasn't compiled into the kernel, pwmconfig wouldn't detect any pwm controllers at all, so that isn't the problem.
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tuppe666
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PostPosted: Thu Jan 03, 2008 6:00 pm    Post subject: Reply with quote

You where right. I swapped the 3-pin for a 4-pin in the end, but my "bought since" 3-pin case fan works. Its a little confusing. I have my motherboard controlling my fans for now, but I suspect I will use fancontrol which does override the q-fan 8O. I don't really understand the scripting yet, as It doesn't seem to have much AI to it which seems what it obviously needs. I suspect I will be back on here after I get something better than conky.
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PostPosted: Thu Jan 10, 2008 10:43 am    Post subject: Re: slow down fan when its not being used[solved] Reply with quote

tuppe666 wrote:
I have an ASUS P5E-VM HDMI


Would you mind giving a quick review of the board, tuppe? Do the video and audio both work through hdmi in Gentoo? I'm considering buying it for an htpc setup.
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PostPosted: Thu Jan 10, 2008 8:28 pm    Post subject: Reply with quote

I can actually tell you very little about the HDMI. I tried using the DVI to HDMI converter which seemed fine in console, but when I start X my monitor goes into standby. There is a discussion for the ATX version of this motherboard in the Xorg forums which posts a *workaround* but not a fix for this problem, needless to say I'm running from the analogue for now. The latest drivers do not fix the problems and are so buggy for me I have reverted to stable Xorg ones.

Overall the x3500 has very little information about speed, but I gambled that it was enough for the the games offered on Linux of the Quake3D generation esp after such a big step up with the processor, but even though its more feature complete(working eye-candy) than my X800. I am back playing these games in a window on my 1600x1200 monitor. I can't compare the drivers to that of XP becuase I haven't got it, but I suspect the story is the same. The bottom line is I bought a half height case because of my computer location...and really needed more graphics grunt than this motherboard can offer. I bought now to sell my old computer on ebay, at Christmas where I thought I would get a better price. I should personally waited until the next generation of CPU's from intel came out...and the chipset with the alleged 4X speed grunt. I suspect I will replace this with one of those then it comes out...Oh and compiz loses its boarders I suspect you will see a post by me on that later.

The reality is though other than the graphics regression everything else is pleasant surprises. ACHI worked out of the box...and I'd never heard of it. I've never had a motherboard with so much stuff on thats so easy to get to. Even with a massive fan covering most of the board. I got it for the 8GB/Quad-core for Gentoo and in that department its a dream. Other than graphics being lack-luster I have yet to find something that doesn't work...that wasn't my fault.

...but yeah the bottom line is for what I wanted...I jumped too soon. I suspect this motherboard will go to a friend/family member when the ICH10 comes out.
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PostPosted: Thu Jan 10, 2008 11:14 pm    Post subject: Reply with quote

Thanks for response, tupee B-)

I found this thread in the Ubuntu forums, and hdmi video apparently works out of the box with gutsy but not with the dvi adapter. Audio isn't working over hdmi either. Asus did a decent job helping with drivers for their M2N32-SLI Deluxe (I built a machine for my neices with that board) so hopefully these issues will be resolved in the near future.
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