On Sunday, 16 June 2024 05:55:45 BST Dale wrote:
William Kenworthy wrote:
On 16/6/24 07:07, Mark Knecht wrote:
<SNIP>
I still don't understand the efi thing. I'm booted up tho. I'm
happy.
Now to get temp sensors and stuff to work. I want to keep a eye on
temps for a bit. I think the boot media was reporting the wrong
info.
Even the ambient temp was to high for this cool room. It showed like >> > 100F or something when my A/C is set to 68F or so. Plus, the side is >> > off the case at times. New battle. ;-)
The side panel should help improve air flow through the case (depending on the design). I've seen CPU temperatures on big tower servers with dual
xeon CPUs going up when the side panel was removed.
Dale
<SNIP>
Hi Dale,
Congrats on getting your new machine working. I think you've
received
a lot of good info on temperature effects but there is one thing I
didn't
see anyone talking about so I'll mention it here. (Note - my career was >> chip design in Silicon Valley so I'm speaking from experience in both
chips and PCs that use them.
First, don't worry too much about high temperatures hurting your
processor or the chips in the system. They can stand up to 70C
pretty much forever and 100C for long periods of time. Long before
anything would get damaged at the chip level, if it ever gets damaged, >> you are going to have timing problems that would either cause the
system to crash, corrupt data, or both, so temps are important
but it won't be damage to the processor. (Assuming it's a good
chip that meets all specs and is well tested which I'm sure yours
is.
The thing I think you should be aware of is that long-term high
temps, while they don't hurt the processor, can very possibly degrade
the thermal paste that is between your processor or M.2 chips
and their heat sinks & fans. Thermal paste can and will degrade
of time and high temps make it degrade faster so the temps you
see today may not be the same as what you see 2 or 3 years from
now.
It used to be the case the thermal paste would dry out and needed replacing within 5 years or so. These days the top end thermal paste lasts longer and it is much more expensive, but I'm yet to find out how long it lasts. ;-)
Now, the fun part. I wrote you a little Python program which on
[snip ...]
My complaint, the temps sensors is reporting is way higher than my IR thermometer says. Even what I think is the ambient temp is way off.
I've googled and others report the same thing. During one compile, I pointed the IR sensor right at the base of the CPU cooler. It may not
be as hot as the CPU is but it is closer than anything else. I measured like 80F or something
That's approximating the TCase, but you're still not close enough to measure that temperature. You'd need to delid the CPU for this ... definitely NOT recommended.
while sensors was reporting above 140F or so.
That's the TjMax and for your 5800X CPU this is comfortably within the TjMax temperature of 194°F (90°C):
https://www.amd.com/en/products/processors/desktops/ryzen/5000-series/amd-ry zen-7-5800x.html#product-specs
I
can see a little difference but not that much. Besides, for the wattage the CPU uses, the cooler I have is waaaaaay overkill. I think my cooler
is rated well above 200 watts. The CPU is around 100 watts, 105 I think
or maybe 95.
105W - see link above.
Plus, this room is fairly cold. A/C currently set to
68F. One can dispute the CPU temp I guess but not the ambient temp. If one is off, I suspect both are off.
Not necessarily - where is the ambient temperature sensor located?
Oh, the CPU fan isn't spinning fast
either. I'd guess it isn't even running at half speed even when
compiling and htop shows all cores/threads at the max.
Your UEFI (BIOS) menu should have settings for tweaking the fans and
changing their cooling profile to make them quieter, or spin them up
sooner. Start with default settings and tune it up/down from there to
match your needs.
William Kenworthy wrote:
On 16/6/24 07:07, Mark Knecht wrote:
<SNIP>
I still don't understand the efi thing. I'm booted up tho. I'm
happy.
Now to get temp sensors and stuff to work. I want to keep a eye on
temps for a bit. I think the boot media was reporting the wrong info. >> > Even the ambient temp was to high for this cool room. It showed like
100F or something when my A/C is set to 68F or so. Plus, the side is
off the case at times. New battle. ;-)
Dale
<SNIP>
Hi Dale,
Congrats on getting your new machine working. I think you've received >> a lot of good info on temperature effects but there is one thing I
didn't
see anyone talking about so I'll mention it here. (Note - my career was
chip design in Silicon Valley so I'm speaking from experience in both
chips and PCs that use them.
First, don't worry too much about high temperatures hurting your
processor or the chips in the system. They can stand up to 70C
pretty much forever and 100C for long periods of time. Long before
anything would get damaged at the chip level, if it ever gets damaged,
you are going to have timing problems that would either cause the
system to crash, corrupt data, or both, so temps are important
but it won't be damage to the processor. (Assuming it's a good
chip that meets all specs and is well tested which I'm sure yours
is.
The thing I think you should be aware of is that long-term high
temps, while they don't hurt the processor, can very possibly degrade
the thermal paste that is between your processor or M.2 chips
and their heat sinks & fans. Thermal paste can and will degrade
of time and high temps make it degrade faster so the temps you
see today may not be the same as what you see 2 or 3 years from
now.
[snip ...]Now, the fun part. I wrote you a little Python program which on
My complaint, the temps sensors is reporting is way higher than my IR thermometer says. Even what I think is the ambient temp is way off.
I've googled and others report the same thing. During one compile, I
pointed the IR sensor right at the base of the CPU cooler. It may not
be as hot as the CPU is but it is closer than anything else. I measured
like 80F or something
while sensors was reporting above 140F or so.
I
can see a little difference but not that much. Besides, for the wattage
the CPU uses, the cooler I have is waaaaaay overkill. I think my cooler
is rated well above 200 watts. The CPU is around 100 watts, 105 I think
or maybe 95.
Plus, this room is fairly cold. A/C currently set to
68F. One can dispute the CPU temp I guess but not the ambient temp. If
one is off, I suspect both are off.
Oh, the CPU fan isn't spinning fast
either. I'd guess it isn't even running at half speed even when
compiling and htop shows all cores/threads at the max.
Now, the fun part. I wrote you a little Python program which on
my system is called Dales_Loop.py. This program has 3
parameters - a value to count to, the number of cores to be used,
and a timeout value to stop the program. Using a program like
this can give you repeatable results.
I mentioned I found the correct drivers for the CPU and other temps
sensors but needed to reboot.
Besides, for the wattage
the CPU uses, the cooler I have is waaaaaay overkill. I think my cooler
is rated well above 200 watts. The CPU is around 100 watts, 105 I think
or maybe 95.
Now to get temp sensors and stuff to work. I want to keep a eye on
temps for a bit. I think the boot media was reporting the wrong info. >>>>> Even the ambient temp was to high for this cool room. It showed like >>>>> 100F or something when my A/C is set to 68F or so. Plus, the side is >>>>> off the case at times. New battle. 😉
The side panel should help improve air flow through the case (depending on the
design). I've seen CPU temperatures on big tower servers with dual xeon CPUs going up when the side panel was removed.
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