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Author Topic: What does this number in cgminer indicate?  (Read 890 times)
c789
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April 09, 2013, 02:38:46 PM
 #1


Code:
------------------------------
[P]ool management [G]PU    ...
GPU 0:  57.5C   0%  |         ...
------------------------------

What does the 0% indicate? I must have missed this in the readme file.

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April 09, 2013, 02:40:50 PM
 #2


Code:
------------------------------
[P]ool management [G]PU    ...
GPU 0:  57.5C   0%  |         ...
------------------------------

What does the 0% indicate? I must have missed this in the readme file.
That's supposed to be the fan speed. Usually it's as a %, or a direct RPM value. For mine, it says the fan is 4045RPM. Either your fan really is a 0% (BAD), your GPU is passively cooled (unlikely), or it's not reading the fan speed properly.

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April 09, 2013, 02:45:26 PM
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Either your fan really is a 0% (BAD), your GPU is passively cooled (unlikely), or it's not reading the fan speed properly.

Ok - that makes sense. That was with --auto-fan. If I don't use --auto-fan it shows 45%, plus/minus 10. Thanks!

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April 09, 2013, 02:47:59 PM
 #4

If the GPU temp is 57.5C, there's no need for further cooling. 0% fan speed makes sense.

However, I'm guessing you weren't actually mining when you copied that text.

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April 09, 2013, 02:49:19 PM
 #5


Code:
------------------------------
[P]ool management [G]PU    ...
GPU 0:  57.5C   0%  |         ...
------------------------------

What does the 0% indicate? I must have missed this in the readme file.


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April 09, 2013, 04:08:30 PM
 #6

Quote
Either your fan really is a 0% (BAD), your GPU is passively cooled (unlikely), or it's not reading the fan speed properly.

Ok - that makes sense. That was with --auto-fan. If I don't use --auto-fan it shows 45%, plus/minus 10. Thanks!
I always used the --auto-fan with a manually set range, or example
Code:
cgminer.exe --auto-fan --gpu-fan 25-80

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April 10, 2013, 09:47:15 AM
 #7


Code:
------------------------------
[P]ool management [G]PU    ...
GPU 0:  57.5C   0%  |         ...
------------------------------

What does the 0% indicate? I must have missed this in the readme file.


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April 10, 2013, 11:38:17 AM
 #8

If the GPU temp is 57.5C, there's no need for further cooling. 0% fan speed makes sense.

However, I'm guessing you weren't actually mining when you copied that text.

Uh, I don't think a GPU should ever have 0% fan speed.

Is the fan actually turned off?

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April 10, 2013, 01:27:47 PM
 #9

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Is the fan actually turned off?

No, the fan is on, but when I used "--auto-fan" it showed up as 0%. It was actually running the entire time. I don't think this is a bug with cgminer (I haven't seen other people posting the same question), but rather it's probably due to Xubuntu. There are a handful of posts about GPUs not running their full hash rate IF they are on Xubutnu AND have multiple cards on the MB. I also had problems with this, and for me, the workaround was to start cgminer with a monitor plugged in. I can unplug the monitor after starting, but it has to be there at first. Other than that, it works great.

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