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cpu temp on KN8 SLI

 
 
Mark Pryor
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      03-09-2007, 12:08 AM
hello,

MB: abit KN8 SLI
CPU: AMD 3800+ Venice (single)
RAM: OCZ platinum PC-3200 2x512 at 2-3-2-5
VIDEO: Asus GeForce EN6800 pci-x

I ran this at default settings for a few days with openSuSE 10.2 x86_64
all the utilities reported ridiculously low cpu temp: 20 C

the bios also says it never gets past 30 C. When I touch the stock HS it
never gets close to warm to the touch.

Then after an OC from 2.4 Ghz to 2.7 Ghz, the temp barely increased 1 or 2
degrees C on average.

Is this too good to be true?

--
Mark
 
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Wes Newell
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      03-09-2007, 07:12 AM
On Fri, 09 Mar 2007 00:08:13 +0000, Mark Pryor wrote:

> hello,
>
> MB: abit KN8 SLI
> CPU: AMD 3800+ Venice (single)
> RAM: OCZ platinum PC-3200 2x512 at 2-3-2-5
> VIDEO: Asus GeForce EN6800 pci-x
>
> I ran this at default settings for a few days with openSuSE 10.2 x86_64
> all the utilities reported ridiculously low cpu temp: 20 C
>
> the bios also says it never gets past 30 C. When I touch the stock HS it
> never gets close to warm to the touch.
>
> Then after an OC from 2.4 Ghz to 2.7 Ghz, the temp barely increased 1 or 2
> degrees C on average.
>
> Is this too good to be true?


I'd say so. Are you sure you were reading the proper sensors? Are you sure
your sensors.conf is configured properly? AFAIK, all the utils use
lm_sensors for info. If it's not set up properly, all utils are wrong.
What do you get with sensors? And are you sure you aren't using Cool n
Quiet, which lowers voltage and cpu speed?

[wes@wes2 ~]$ cat /proc/cpuinfo
processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 75
model name : AMD Athlon(tm) 64 X2 Dual Core Processor 3800+
stepping : 2
cpu MHz : 1000.000

[wes@wes2 ~]$ sensors
it8716-isa-0290
Adapter: ISA adapter
VCore: +1.10 V (min = +1.01 V, max = +1.63 V)
VDDR: +1.87 V (min = +1.71 V, max = +1.98 V)
+3.3V: +3.26 V (min = +3.14 V, max = +3.47 V)
+5V: +4.95 V (min = +4.76 V, max = +5.24 V)
+12V: +12.03 V (min = +11.39 V, max = +12.61 V)
5VSB: +4.95 V (min = +4.76 V, max = +5.24 V)
VBat: +3.07 V
CPU Fan: 3068 RPM (min = 0 RPM, div = 2)
Case Fan: 3026 RPM (min = 0 RPM, div = 2)
M/B Temp: +33C (low = +10C, high = +60C) sensor = thermistor
CPU Temp: +32C (low = +10C, high = +60C) sensor = thermistor
vid: +1.550 V


--
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Mark Pryor
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Posts: n/a
 
      03-09-2007, 06:33 PM
On Fri, 09 Mar 2007 07:12:49 +0000, Wes Newell wrote:

> On Fri, 09 Mar 2007 00:08:13 +0000, Mark Pryor wrote:
>
>> hello,
>>
>> MB: abit KN8 SLI
>> CPU: AMD 3800+ Venice (single)
>> RAM: OCZ platinum PC-3200 2x512 at 2-3-2-5
>> VIDEO: Asus GeForce EN6800 pci-x
>>
>> I ran this at default settings for a few days with openSuSE 10.2 x86_64
>> all the utilities reported ridiculously low cpu temp: 20 C
>>
>> the bios also says it never gets past 30 C. When I touch the stock HS it
>> never gets close to warm to the touch.
>>
>> Then after an OC from 2.4 Ghz to 2.7 Ghz, the temp barely increased 1 or 2
>> degrees C on average.
>>
>> Is this too good to be true?

>
> I'd say so. Are you sure you were reading the proper sensors? Are you sure
> your sensors.conf is configured properly? AFAIK, all the utils use
> lm_sensors for info. If it's not set up properly, all utils are wrong.
> What do you get with sensors? And are you sure you aren't using Cool n
> Quiet, which lowers voltage and cpu speed?
>
> [wes@wes2 ~]$ cat /proc/cpuinfo
> processor : 0
> vendor_id : AuthenticAMD
> cpu family : 15
> model : 75
> model name : AMD Athlon(tm) 64 X2 Dual Core Processor 3800+
> stepping : 2
> cpu MHz : 1000.000
>
> [wes@wes2 ~]$ sensors
> it8716-isa-0290
> Adapter: ISA adapter
> VCore: +1.10 V (min = +1.01 V, max = +1.63 V)


Wes,

nice scaling going on there. We seem to have the same processor except
yours is Dual core (you have two).

I'm getting the same behavior in openSuSE 10.2 and FC6 (both x86_64) so I
suspect my bios is the trouble.

My abit k8n-sli is 2 bios versions behind (2.2). Should I update it?
Have you done any thing special with your setup (like custom bios) to
get the scaling working?

tia,
Mark
 
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Mark Pryor
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      03-09-2007, 07:20 PM
On Fri, 09 Mar 2007 10:33:42 -0800, Mark Pryor wrote:

> On Fri, 09 Mar 2007 07:12:49 +0000, Wes Newell wrote:
>
>> On Fri, 09 Mar 2007 00:08:13 +0000, Mark Pryor wrote:
>>
>>> hello,
>>>
>>> MB: abit KN8 SLI
>>> CPU: AMD 3800+ Venice (single)
>>> RAM: OCZ platinum PC-3200 2x512 at 2-3-2-5
>>> VIDEO: Asus GeForce EN6800 pci-x
>>>
>>> I ran this at default settings for a few days with openSuSE 10.2 x86_64
>>> all the utilities reported ridiculously low cpu temp: 20 C
>>>
>>> the bios also says it never gets past 30 C. When I touch the stock HS it
>>> never gets close to warm to the touch.
>>>
>>> Then after an OC from 2.4 Ghz to 2.7 Ghz, the temp barely increased 1 or 2
>>> degrees C on average.
>>>
>>> Is this too good to be true?

>>
>> I'd say so. Are you sure you were reading the proper sensors? Are you sure
>> your sensors.conf is configured properly? AFAIK, all the utils use
>> lm_sensors for info. If it's not set up properly, all utils are wrong.
>> What do you get with sensors? And are you sure you aren't using Cool n
>> Quiet, which lowers voltage and cpu speed?
>>
>> [wes@wes2 ~]$ cat /proc/cpuinfo
>> processor : 0
>> vendor_id : AuthenticAMD
>> cpu family : 15
>> model : 75
>> model name : AMD Athlon(tm) 64 X2 Dual Core Processor 3800+
>> stepping : 2
>> cpu MHz : 1000.000
>>
>> [wes@wes2 ~]$ sensors
>> it8716-isa-0290
>> Adapter: ISA adapter
>> VCore: +1.10 V (min = +1.01 V, max = +1.63 V)

>
> Wes,
>
> nice scaling going on there. We seem to have the same processor except
> yours is Dual core (you have two).
>
> I'm getting the same behavior in openSuSE 10.2 and FC6 (both x86_64) so I
> suspect my bios is the trouble.
>
> My abit k8n-sli is 2 bios versions behind (2.2). Should I update it?
> Have you done any thing special with your setup (like custom bios) to
> get the scaling working?
>
> tia,
> Mark


Wes,

more info:
my bios is kn815, while the latest is kn819

dmesg | grep pow
powernow-k8: Found 1 AMD Athlon(tm) 64 Processor 3800+ processors (version 2.00.00)
powernow-k8: BIOS error - no PSB or ACPI _PSS objects

I can get the powersaved service to start if I force-load a cpufreq module

modprobe cpufreq_powersave
NF4SLI:/home/tlviewer # lsmod | grep freq
cpufreq_powersave 18688 0
NF4SLI:/home/tlviewer # /etc/init.d/powersaved start
Starting powersaved: done
NF4SLI:/home/tlviewer # /etc/init.d/powersaved restart
Shutting down powersaved done
Starting powersaved: done
NF4SLI:/home/tlviewer # lsmod | grep freq
cpufreq_powersave 18688 0

NF4SLI:/home/tlviewer # cat /proc/cpuinfo
processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 47
model name : AMD Athlon(tm) 64 Processor 3800+
stepping : 2
cpu MHz : 2411.115

--
Mark
 
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Mark Pryor
Guest
Posts: n/a
 
      03-09-2007, 08:30 PM
On Fri, 09 Mar 2007 19:20:28 +0000, Mark Pryor wrote:

> On Fri, 09 Mar 2007 10:33:42 -0800, Mark Pryor wrote:
>
>> On Fri, 09 Mar 2007 07:12:49 +0000, Wes Newell wrote:
>>
>>> On Fri, 09 Mar 2007 00:08:13 +0000, Mark Pryor wrote:
>>>
>>>> hello,
>>>>
>>>> MB: abit KN8 SLI
>>>> CPU: AMD 3800+ Venice (single)
>>>> RAM: OCZ platinum PC-3200 2x512 at 2-3-2-5
>>>> VIDEO: Asus GeForce EN6800 pci-x
>>>>
>>>> I ran this at default settings for a few days with openSuSE 10.2 x86_64
>>>> all the utilities reported ridiculously low cpu temp: 20 C
>>>>
>>>> the bios also says it never gets past 30 C. When I touch the stock HS it
>>>> never gets close to warm to the touch.
>>>>
>>>> Then after an OC from 2.4 Ghz to 2.7 Ghz, the temp barely increased 1 or 2
>>>> degrees C on average.
>>>>
>>>> Is this too good to be true?
>>>
>>> I'd say so. Are you sure you were reading the proper sensors? Are you sure
>>> your sensors.conf is configured properly? AFAIK, all the utils use
>>> lm_sensors for info. If it's not set up properly, all utils are wrong.
>>> What do you get with sensors? And are you sure you aren't using Cool n
>>> Quiet, which lowers voltage and cpu speed?
>>>
>>> [wes@wes2 ~]$ cat /proc/cpuinfo
>>> processor : 0
>>> vendor_id : AuthenticAMD
>>> cpu family : 15
>>> model : 75
>>> model name : AMD Athlon(tm) 64 X2 Dual Core Processor 3800+
>>> stepping : 2
>>> cpu MHz : 1000.000
>>>
>>> [wes@wes2 ~]$ sensors
>>> it8716-isa-0290
>>> Adapter: ISA adapter
>>> VCore: +1.10 V (min = +1.01 V, max = +1.63 V)

>>
>> Wes,
>>
>> nice scaling going on there. We seem to have the same processor except
>> yours is Dual core (you have two).
>>
>> I'm getting the same behavior in openSuSE 10.2 and FC6 (both x86_64) so I
>> suspect my bios is the trouble.
>>
>> My abit k8n-sli is 2 bios versions behind (2.2). Should I update it?
>> Have you done any thing special with your setup (like custom bios) to
>> get the scaling working?
>>
>> tia,
>> Mark

>
> Wes,
>
> more info:
> my bios is kn815, while the latest is kn819
>
> dmesg | grep pow
> powernow-k8: Found 1 AMD Athlon(tm) 64 Processor 3800+ processors (version 2.00.00)
> powernow-k8: BIOS error - no PSB or ACPI _PSS objects
>
> I can get the powersaved service to start if I force-load a cpufreq module
>
> modprobe cpufreq_powersave
> NF4SLI:/home/tlviewer # lsmod | grep freq
> cpufreq_powersave 18688 0
> NF4SLI:/home/tlviewer # /etc/init.d/powersaved start
> Starting powersaved: done
> NF4SLI:/home/tlviewer # /etc/init.d/powersaved restart
> Shutting down powersaved done
> Starting powersaved: done
> NF4SLI:/home/tlviewer # lsmod | grep freq
> cpufreq_powersave 18688 0
>
> NF4SLI:/home/tlviewer # cat /proc/cpuinfo
> processor : 0
> vendor_id : AuthenticAMD
> cpu family : 15
> model : 47
> model name : AMD Athlon(tm) 64 Processor 3800+
> stepping : 2
> cpu MHz : 2411.115
>


Wes,

the latest bios fixed the trouble!
I don't have a Win installation so I loaded the bios files on a USB flash,
then booted into a Win98 boot disk. I was able to change drive into the
flash and execute runme.bat from there.

tlviewer@NF4SLI:~> cat /proc/cpuinfo
processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 47
model name : AMD Athlon(tm) 64 Processor 3800+
stepping : 2
cpu MHz : 1000.000
cache size : 512 KB

NF4SLI:/home/tlviewer # dmesg | grep pow
powernow-k8: Found 1 AMD Athlon(tm) 64 Processor 3800+ processors (version 2.00.00)
powernow-k8: 0 : fid 0x10 (2400 MHz), vid 0x8
powernow-k8: 1 : fid 0xe (2200 MHz), vid 0x8
powernow-k8: 2 : fid 0xc (2000 MHz), vid 0xa
powernow-k8: 3 : fid 0xa (1800 MHz), vid 0xc
powernow-k8: 4 : fid 0x2 (1000 MHz), vid 0x12

NF4SLI:/home/tlviewer # lsmod | grep freq
cpufreq_conservative 25608 0
cpufreq_ondemand 24592 1
cpufreq_userspace 24064 0
cpufreq_powersave 18688 0
freq_table 22912 1 powernow_k8

that's alot more like it.
Thanks for pushing me along!
--
Mark
 
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