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system hotter than cpu



 
 
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  #21  
Old December 20th 03, 07:34 PM
Chip
external usenet poster
 
Posts: n/a
Default


"§unnyß©" wrote in message
...
On Sat, 20 Dec 2003 10:21:36 -0000, "Chip"

wrote:

"joef" wrote in message
...

"ElJerid" wrote in message
...

"EzAk" wrote in message
...
ok whats the deal he

bios stats
system temp: 46c/114f
cpu surface temp: 38c/100f
cpu core temp: 42c/107f

hardware doctor
system 46
cpu 38.00 - 38.50

system is:
Zalman cnps 7000A-Cu *copper*
Barton 2500+ WEEK 33 (unlocked)
3200 ddr 400 512
ATI 9800 PRO 128mb
60gb Maxtor
160gb Maxtor
Plexwriter (12X1032) AND (52X32X52)
NSpire 300w
Chen Ming ATX-601 AE case

There is a problem with your case ventilation. Are there any fans in

it?
The two hard disks plus the 9800 Pro dissipate a lot of heat that

has to
be
extracted. You should have one or two fans blowing into the case and

one
on
top of the psu fan(s) extracting the hot air from the case.

My sysoft sandra confuses the system and cpu readings - ie they're

swapped.
Could be your problem. Does the system temp rise quickly from cold?

This
might indicate same thing happening.


This *is* the problem. It is against the laws of Physics for the system
temp to be higher than the CPU temp. (Unless he's using a pelt, or has

a
heater in the case.... which I doubt somehow.)

Chip.


My system temp is usually higher than my CPU temp.
AMD 2100+ "B" at 2350Mhz (173.9x13.5)
1.85 vcore
CPU temp is 19c / System temp is 20c
At 6:00 AM this morning the CPU temp was 15c / System 19c


What, with the PC switched off ;-)

Seriously I don't buy those temps.

At 1.85 core your CPU is producing about 80w under load. Assuming the
ambient air around the CPU is only 5c!!! (which is very very very very
unlikely), then you would need a hs that can do 0.125 C/W to maintain a 15C
CPU temp. This is twice as good as a Thermalright SLK900 can manage with a
5500rpm 80mm fan (0.22C/W). i.e. What I am saying it is completely
impossible with air cooling to maintain a CPU temp of 15C.

Something is seriously wrong with your sensors.

Chip.


  #22  
Old December 20th 03, 07:39 PM
Chip
external usenet poster
 
Posts: n/a
Default

"Wes Newell" wrote in message
news
On Sat, 20 Dec 2003 10:21:36 +0000, Chip wrote:

This *is* the problem. It is against the laws of Physics for the system
temp to be higher than the CPU temp. (Unless he's using a pelt, or has

a
heater in the case.... which I doubt somehow.)

Actually, some boards have the system sensor where it can be hotter than
the CPU sensor. The ASrock K7S8X series is one such board. I think the
system sensor is actually on the northbridge although I didn't check for
sure. At idle, running Athcool, the cpu temp is about 1-2C lower than the
reported system temp. Under load that changes of course with the cpu temp
going 10C over system temp. But I would agree with you if the system had
an open sensor not close to something hot.


Fair point. If you site the case sensor next to another source of heat,
then its possible. (I did say "unless you have heater in the case".)

The simple law of thermodynamics is that heat flows fom hot things to cooler
things. You can't have something *being* heated, hotter than the thing
heating it. Its just plain impossible.

As an aside, what complete *stupid* places manufactures put the system temp
thermistors in. On the Abit nf7-s its right under the CPU hs!!!! How nutty
is that? Not so much the system temperature, more the "CPU Exhaust
Temperature".

Chip.


--
Abit KT7-Raid (KT133) Tbred B core CPU @2400MHz (24x100FSB)
http://mysite.verizon.net/res0exft/cpu.html



  #23  
Old December 20th 03, 09:08 PM
Dennis Reese
external usenet poster
 
Posts: n/a
Default

koolit wrote in message . ..
I've been trying to follow discussions about this subject because the
same is happening to my pc. On idle it's at 39C CPU and 48C or above
PWM temp. On full load the system temp. is still 10 degrees (or
more) hotter than the CPU. I've been building PC's for a few years now
and this is the first I've seen something like this. If I leave it
running like this with the sys. temp +10 hotter than the CPU, will
there be any damage? It is stable using prime 95 and SiS. Here's my
rig:

Abit KV-7
AMD Athlon XP 1800 T-bred @ 2.31 GHz (JIUHB-DLT3C) 1.75 Volts
11.5 X 197 FSB
512 mb Corsair PC 3200
Asus TD 9520 Vid Card
Creative SB Live 5.1
80 GB Maxtor HD
52X CD-Rom

On Thu, 18 Dec 2003 17:46:29 -0500, EzAk
wrote:

changed both back fans to out front to in and side on temps change but
no diffrents the case is still hotter than the cpu. I had this same
setup with a valcano 9 and didnt have this problem. Is it posible that
my cooler for the cpu is cooling the cpu and forcing the heat from the
cpu into the case which is why the case is hotter than the cpu? i know
its far feched but i dont know what else i could be.



I just read this thread. Although nobody at Abit seems to want to
admit it, the cpu and systems readings are reversed on several boards,
including the Abit KD7 which I have. I just accepted the fact that
they are reversed and monitor it accordingly. Look at the hotter
temperature of the two and assign it to the cpu. My overclocked 2100+
AMD runs at 2287 with a idle temperatures of 39 and 33. Hardware
monitor shows the system at 39 and the cpu at 33. obviously, they are
reversed.

Dennis
  #24  
Old December 21st 03, 10:22 AM
Chip
external usenet poster
 
Posts: n/a
Default

"§unnyß©" wrote in message
...
On Sat, 20 Dec 2003 18:34:07 -0000, "Chip"

wrote:


"§unnyß©" wrote in message
...
On Sat, 20 Dec 2003 10:21:36 -0000, "Chip"

wrote:

"joef" wrote in message
...

"ElJerid" wrote in message
...

"EzAk" wrote in message
...
ok whats the deal he

bios stats
system temp: 46c/114f
cpu surface temp: 38c/100f
cpu core temp: 42c/107f

hardware doctor
system 46
cpu 38.00 - 38.50

system is:
Zalman cnps 7000A-Cu *copper*
Barton 2500+ WEEK 33 (unlocked)
3200 ddr 400 512
ATI 9800 PRO 128mb
60gb Maxtor
160gb Maxtor
Plexwriter (12X1032) AND (52X32X52)
NSpire 300w
Chen Ming ATX-601 AE case

There is a problem with your case ventilation. Are there any

fans in
it?
The two hard disks plus the 9800 Pro dissipate a lot of heat

that
has to
be
extracted. You should have one or two fans blowing into the case

and
one
on
top of the psu fan(s) extracting the hot air from the case.

My sysoft sandra confuses the system and cpu readings - ie they're
swapped.
Could be your problem. Does the system temp rise quickly from

cold?
This
might indicate same thing happening.

This *is* the problem. It is against the laws of Physics for the

system
temp to be higher than the CPU temp. (Unless he's using a pelt, or

has
a
heater in the case.... which I doubt somehow.)

Chip.


My system temp is usually higher than my CPU temp.
AMD 2100+ "B" at 2350Mhz (173.9x13.5)
1.85 vcore
CPU temp is 19c / System temp is 20c
At 6:00 AM this morning the CPU temp was 15c / System 19c


What, with the PC switched off ;-)

Seriously I don't buy those temps.

At 1.85 core your CPU is producing about 80w under load. Assuming the
ambient air around the CPU is only 5c!!! (which is very very very very
unlikely), then you would need a hs that can do 0.125 C/W to maintain a

15C
CPU temp. This is twice as good as a Thermalright SLK900 can manage

with a
5500rpm 80mm fan (0.22C/W). i.e. What I am saying it is completely
impossible with air cooling to maintain a CPU temp of 15C.

Something is seriously wrong with your sensors.

Chip.

I tried to post a screenshot but I guess my provider won't let it go
through. The following is a copy of the SiSandra CPU/BIOS info as of five
minutes ago. Irrelevant stuff left intact.


I have 4 comments.

1. Your CPU temp shows 20C, not 15C as you originally said
2. Where is your system temp, and why is it not reported?
3. Like I said in the first place "Something is seriously wrong with your
sensors". What Sandra reports is only coming from your mis-calibrated
sensors. Sandra doesn't "verify" anything. If the sensors are
miscalibrated, then Sandra gets the information wrong too.
4. Everything below is irrelevant as "proof", because you could type in
anything you like anyway.

Having said all that, I am not saying I don't believe *you*. I just don't
believe your sensors, that's all. I reckon they are under-reading by about
10C. 30C at idle is perhaps more like it.

Chip.




--------------------------------------------------------
SiSoftware Sandra

Processor(s)
Model : AMD Athlon(tm) XP
Co-Processor (FPU) : Built-in
Speed : 2.35GHz
Model Number : 2938 (estimated)
Performance Rating : PR3405 (estimated)
Type : Standard
Packaging : Socket A PGA
Multiplier : 13.5x
Generation : 7th (7x86)
Model Information : Duron Athlon 4/MP/XP (Thoroughbred) 1.5-2.5G+

1.5-1.65V
Revision/Stepping : 8 / 1 (0)
Stepping Mask : B0
Core Voltage Rating : 1.650V

Processor Cache(s)
Internal Data Cache : 64kB synchronous write-back (2-way, 64 byte line

size)
Internal Instruction Cache : 64kB synchronous write-back (2-way, 64 byte
line size)
L2 On-board Cache : 256kB ECC synchronous write-back (16-way, 64 byte line
size)
L2 Cache Multiplier : 1/1x (equiv. 2348MHz)

Host Interface(s)
Front Side Bus Speed : 2x 174MHz (348MHz data rate)

Upgradeability
Socket/Slot : Socket A
Upgrade Interface : ZIF Socket
Supported Speed(s) : 2.35GHz (or more)

Environment Monitor 1
Model : Winbond W83697HF ISA
Version : 6.00
Mainboard Specific Support : No

Power Rating(s)
Core Power : 88W (estimated)

Sensors
CPU Temperature : 20.0°C / 68.0°F
Auto Fan Speed Control : No
CPU Fan Speed : 1875rpm
CPU Core Voltage : 1.87V

Features
FPU - Co-Processor Built-in : Yes
VME - Virtual Mode Extensions : Yes
DE - Debugging Extension : Yes
PSE - Page Size Extension : Yes
TSC - Time Stamp Counter : Yes
MSR - Model Specific Registers : Yes
PAE - Physical Address Extension : Yes
MCE - Machine Check Exception : Yes
CX8 - Compare & Exchange Instruction : Yes
APIC - Local APIC Built-in : Yes
CID - Context ID : No
SEP - Fast System Call : Yes
MTRR - Memory Type Range Registers : Yes
PGE - Page Global Enable : Yes
MCA - Machine Check Architecture : Yes
CMOV - Conditional Move Instruction : Yes
PAT - Page Attribute Table : Yes
PSE36 - 36-bit Page Size Extension : Yes
PSN - Unique Serial Number : No
CLF - Cache Line Flush Support : No
Unknown : No
DS - Debug Trace & EMON Store : No
ACPI - Software Clock Control : No
MMX Technology : Yes
FXSR - Fast Float Save & Restore : Yes
SSE Technology : Yes
SSE2 Technology : No
SS - Self Snoop : No
HTT - Hyper-Threading Technology : No
TM - Thermal Monitor : No
PBE - Pending Break Enable : No
IA-64 Technology : No
DAZ - Denormals Are Zero : No

Extended Features
SYCR - Extended Fast System Call : Yes
EMMX - Extended MMX Technology : Yes
3DNow! Technology : Yes
Extended 3DNow! Technology : Yes
SMP - MP Capability : No
AA-64 Technology : No

Power Management Features
VID - Voltage Control : No
FID - Frequency Control : No
TS - Thermal Sensor Built-in : Yes

Advanced Settings
TLB Cacheable : Yes
System Ack Limit : 4 req(s)
System Victim Limit : 0 req(s)
Extended MTRR Types : Yes
I/O Type Range Registers : Yes
Top of Memory : 40000000 (1024MB)

Machine Check Architecture Settings
No. Reporting Banks : 4 bank(s)
Exception Reporting Control Support : Yes

Variable Range MTRR Settings
MTRR 0 : 00000000-3FFFFFFF (0MB-1024MB) WB
MTRR 1 : D0000000-D7FFFFFF (3328MB-3456MB) WC
MTRR 5 : D0000000-D7FFFFFF (3328MB-3456MB) WC

Variable Range IORR Settings
IORR 1 : D0000000-D7FFFFFF (3328MB-3456MB) rdMem wrMem

Fixed Range MTRR Settings
MTRR 0 Range 0 : 00000000-0000FFFF (0kB-64kB) WB
MTRR 0 Range 1 : 00010000-0001FFFF (64kB-128kB) WB
MTRR 0 Range 2 : 00020000-0002FFFF (128kB-192kB) WB
MTRR 0 Range 3 : 00030000-0003FFFF (192kB-256kB) WB
MTRR 0 Range 4 : 00040000-0004FFFF (256kB-320kB) WB
MTRR 0 Range 5 : 00050000-0005FFFF (320kB-384kB) WB
MTRR 0 Range 6 : 00060000-0006FFFF (384kB-448kB) WB
MTRR 0 Range 7 : 00070000-0007FFFF (448kB-512kB) WB
MTRR 1 Range 0 : 00080000-00083FFF (512kB-528kB) WB
MTRR 1 Range 1 : 00084000-00087FFF (528kB-544kB) WB
MTRR 1 Range 2 : 00088000-0008BFFF (544kB-560kB) WB
MTRR 1 Range 3 : 0008C000-0008FFFF (560kB-576kB) WB
MTRR 1 Range 4 : 00090000-00093FFF (576kB-592kB) WB
MTRR 1 Range 5 : 00094000-00097FFF (592kB-608kB) WB
MTRR 1 Range 6 : 00098000-0009BFFF (608kB-624kB) WB
MTRR 1 Range 7 : 0009C000-0009FFFF (624kB-640kB) WB
MTRR 2 Range 0 : 000A0000-000A3FFF (640kB-656kB) UC
MTRR 2 Range 1 : 000A4000-000A7FFF (656kB-672kB) UC
MTRR 2 Range 2 : 000A8000-000ABFFF (672kB-688kB) UC
MTRR 2 Range 3 : 000AC000-000AFFFF (688kB-704kB) UC
MTRR 2 Range 4 : 000B0000-000B3FFF (704kB-720kB) UC
MTRR 2 Range 5 : 000B4000-000B7FFF (720kB-736kB) UC
MTRR 2 Range 6 : 000B8000-000BBFFF (736kB-752kB) UC
MTRR 2 Range 7 : 000BC000-000BFFFF (752kB-768kB) UC
MTRR 3 Range 0 : 000C0000-000C0FFF (768kB-772kB) WP
MTRR 3 Range 1 : 000C1000-000C1FFF (772kB-776kB) WP
MTRR 3 Range 2 : 000C2000-000C2FFF (776kB-780kB) WP
MTRR 3 Range 3 : 000C3000-000C3FFF (780kB-784kB) WP
MTRR 3 Range 4 : 000C4000-000C4FFF (784kB-788kB) WP
MTRR 3 Range 5 : 000C5000-000C5FFF (788kB-792kB) WP
MTRR 3 Range 6 : 000C6000-000C6FFF (792kB-796kB) WP
MTRR 3 Range 7 : 000C7000-000C7FFF (796kB-800kB) WP
MTRR 4 Range 0 : 000C8000-000C8FFF (800kB-804kB) UC
MTRR 4 Range 1 : 000C9000-000C9FFF (804kB-808kB) UC
MTRR 4 Range 2 : 000CA000-000CAFFF (808kB-812kB) UC
MTRR 4 Range 3 : 000CB000-000CBFFF (812kB-816kB) UC
MTRR 4 Range 4 : 000CC000-000CCFFF (816kB-820kB) UC
MTRR 4 Range 5 : 000CD000-000CDFFF (820kB-824kB) UC
MTRR 4 Range 6 : 000CE000-000CEFFF (824kB-828kB) UC
MTRR 4 Range 7 : 000CF000-000CFFFF (828kB-832kB) UC
MTRR 5 Range 0 : 000D0000-000D0FFF (832kB-836kB) UC
MTRR 5 Range 1 : 000D1000-000D1FFF (836kB-840kB) UC
MTRR 5 Range 2 : 000D2000-000D2FFF (840kB-844kB) UC
MTRR 5 Range 3 : 000D3000-000D3FFF (844kB-848kB) UC
MTRR 5 Range 4 : 000D4000-000D4FFF (848kB-852kB) UC
MTRR 5 Range 5 : 000D5000-000D5FFF (852kB-856kB) UC
MTRR 5 Range 6 : 000D6000-000D6FFF (856kB-860kB) UC
MTRR 5 Range 7 : 000D7000-000D7FFF (860kB-864kB) UC
MTRR 6 Range 0 : 000D8000-000D8FFF (864kB-868kB) UC
MTRR 6 Range 1 : 000D9000-000D9FFF (868kB-872kB) UC
MTRR 6 Range 2 : 000DA000-000DAFFF (872kB-876kB) UC
MTRR 6 Range 3 : 000DB000-000DBFFF (876kB-880kB) UC
MTRR 6 Range 4 : 000DC000-000DCFFF (880kB-884kB) UC
MTRR 6 Range 5 : 000DD000-000DDFFF (884kB-888kB) UC
MTRR 6 Range 6 : 000DE000-000DEFFF (888kB-892kB) UC
MTRR 6 Range 7 : 000DF000-000DFFFF (892kB-896kB) UC
MTRR 7 Range 0 : 000E0000-000E0FFF (896kB-900kB) WP
MTRR 7 Range 1 : 000E1000-000E1FFF (900kB-904kB) WP
MTRR 7 Range 2 : 000E2000-000E2FFF (904kB-908kB) WP
MTRR 7 Range 3 : 000E3000-000E3FFF (908kB-912kB) WP
MTRR 7 Range 4 : 000E4000-000E4FFF (912kB-916kB) WP
MTRR 7 Range 5 : 000E5000-000E5FFF (916kB-920kB) WP
MTRR 7 Range 6 : 000E6000-000E6FFF (920kB-924kB) WP
MTRR 7 Range 7 : 000E7000-000E7FFF (924kB-928kB) WP
MTRR 8 Range 0 : 000E8000-000E8FFF (928kB-932kB) WP
MTRR 8 Range 1 : 000E9000-000E9FFF (932kB-936kB) WP
MTRR 8 Range 2 : 000EA000-000EAFFF (936kB-940kB) WP
MTRR 8 Range 3 : 000EB000-000EBFFF (940kB-944kB) WP
MTRR 8 Range 4 : 000EC000-000ECFFF (944kB-948kB) WP
MTRR 8 Range 5 : 000ED000-000EDFFF (948kB-952kB) WP
MTRR 8 Range 6 : 000EE000-000EEFFF (952kB-956kB) WP
MTRR 8 Range 7 : 000EF000-000EFFFF (956kB-960kB) WP
MTRR 9 Range 0 : 000F0000-000F0FFF (960kB-964kB) UC
MTRR 9 Range 1 : 000F1000-000F1FFF (964kB-968kB) UC
MTRR 9 Range 2 : 000F2000-000F2FFF (968kB-972kB) UC
MTRR 9 Range 3 : 000F3000-000F3FFF (972kB-976kB) UC
MTRR 9 Range 4 : 000F4000-000F4FFF (976kB-980kB) UC
MTRR 9 Range 5 : 000F5000-000F5FFF (980kB-984kB) UC
MTRR 9 Range 6 : 000F6000-000F6FFF (984kB-988kB) UC
MTRR 9 Range 7 : 000F7000-000F7FFF (988kB-992kB) UC
MTRR 10 Range 0 : 000F8000-000F8FFF (992kB-996kB) UC
MTRR 10 Range 1 : 000F9000-000F9FFF (996kB-1000kB) UC
MTRR 10 Range 2 : 000FA000-000FAFFF (1000kB-1004kB) UC
MTRR 10 Range 3 : 000FB000-000FBFFF (1004kB-1008kB) UC
MTRR 10 Range 4 : 000FC000-000FCFFF (1008kB-1012kB) UC
MTRR 10 Range 5 : 000FD000-000FDFFF (1012kB-1016kB) UC
MTRR 10 Range 6 : 000FE000-000FEFFF (1016kB-1020kB) UC
MTRR 10 Range 7 : 000FF000-000FFFFF (1020kB-1024kB) UC

PAT Settings
PAT 0 : WB
PAT 1 : WC
PAT 2 : UC-
PAT 3 : UC
PAT 4 : WB
PAT 5 : WC
PAT 6 : UC-
PAT 7 : UC

Performance Tips
Notice 224 : SMBIOS/DMI information may be inaccurate.
Warning 216 : CPU fan has failed! Check it.
Tip 2 : Double-click tip or press Enter while a tip is selected for more
information about the tip.

--------------------------------------------------


§ß©



  #25  
Old December 21st 03, 11:57 AM
~misfit~
external usenet poster
 
Posts: n/a
Default

Chip wrote:
"§unnyß©" wrote in message
...
On Sat, 20 Dec 2003 18:34:07 -0000, "Chip"
wrote:


"§unnyß©" wrote in message
...
On Sat, 20 Dec 2003 10:21:36 -0000, "Chip"
wrote:

"joef" wrote in message
...

"ElJerid" wrote in message
...

"EzAk" wrote in message
...
ok whats the deal he

bios stats
system temp: 46c/114f
cpu surface temp: 38c/100f
cpu core temp: 42c/107f

hardware doctor
system 46
cpu 38.00 - 38.50

system is:
Zalman cnps 7000A-Cu *copper*
Barton 2500+ WEEK 33 (unlocked)
3200 ddr 400 512
ATI 9800 PRO 128mb
60gb Maxtor
160gb Maxtor
Plexwriter (12X1032) AND (52X32X52)
NSpire 300w
Chen Ming ATX-601 AE case

There is a problem with your case ventilation. Are there any
fans in it? The two hard disks plus the 9800 Pro dissipate a
lot of heat

that
has to
be
extracted. You should have one or two fans blowing into the case

and
one
on
top of the psu fan(s) extracting the hot air from the case.

My sysoft sandra confuses the system and cpu readings - ie
they're swapped. Could be your problem. Does the system temp
rise quickly from cold? This might indicate same thing happening.

This *is* the problem. It is against the laws of Physics for the
system temp to be higher than the CPU temp. (Unless he's using a
pelt, or has a heater in the case.... which I doubt somehow.)

Chip.


My system temp is usually higher than my CPU temp.
AMD 2100+ "B" at 2350Mhz (173.9x13.5)
1.85 vcore
CPU temp is 19c / System temp is 20c
At 6:00 AM this morning the CPU temp was 15c / System 19c

What, with the PC switched off ;-)

Seriously I don't buy those temps.

At 1.85 core your CPU is producing about 80w under load. Assuming
the ambient air around the CPU is only 5c!!! (which is very very
very very unlikely), then you would need a hs that can do 0.125 C/W
to maintain a 15C CPU temp. This is twice as good as a
Thermalright SLK900 can manage with a 5500rpm 80mm fan (0.22C/W).
i.e. What I am saying it is completely impossible with air cooling
to maintain a CPU temp of 15C.

Something is seriously wrong with your sensors.

Chip.

I tried to post a screenshot but I guess my provider won't let it go
through. The following is a copy of the SiSandra CPU/BIOS info as of
five minutes ago. Irrelevant stuff left intact.


I have 4 comments.

1. Your CPU temp shows 20C, not 15C as you originally said


Uhh, dude, learn to read. Several lines above your post he says that his CPU
temp at 6am was 15°, at time of writing 19°.
--
~misfit~


  #26  
Old December 21st 03, 12:06 PM
Chip
external usenet poster
 
Posts: n/a
Default


"~misfit~" wrote in message
...
Chip wrote:
"§unnyß©" wrote in message
...
On Sat, 20 Dec 2003 18:34:07 -0000, "Chip"
wrote:


"§unnyß©" wrote in message
...
On Sat, 20 Dec 2003 10:21:36 -0000, "Chip"
wrote:

"joef" wrote in message
...

"ElJerid" wrote in message
...

"EzAk" wrote in message
...
ok whats the deal he

bios stats
system temp: 46c/114f
cpu surface temp: 38c/100f
cpu core temp: 42c/107f

hardware doctor
system 46
cpu 38.00 - 38.50

system is:
Zalman cnps 7000A-Cu *copper*
Barton 2500+ WEEK 33 (unlocked)
3200 ddr 400 512
ATI 9800 PRO 128mb
60gb Maxtor
160gb Maxtor
Plexwriter (12X1032) AND (52X32X52)
NSpire 300w
Chen Ming ATX-601 AE case

There is a problem with your case ventilation. Are there any
fans in it? The two hard disks plus the 9800 Pro dissipate a
lot of heat

that
has to
be
extracted. You should have one or two fans blowing into the case

and
one
on
top of the psu fan(s) extracting the hot air from the case.

My sysoft sandra confuses the system and cpu readings - ie
they're swapped. Could be your problem. Does the system temp
rise quickly from cold? This might indicate same thing happening.

This *is* the problem. It is against the laws of Physics for the
system temp to be higher than the CPU temp. (Unless he's using a
pelt, or has a heater in the case.... which I doubt somehow.)

Chip.


My system temp is usually higher than my CPU temp.
AMD 2100+ "B" at 2350Mhz (173.9x13.5)
1.85 vcore
CPU temp is 19c / System temp is 20c
At 6:00 AM this morning the CPU temp was 15c / System 19c

What, with the PC switched off ;-)

Seriously I don't buy those temps.

At 1.85 core your CPU is producing about 80w under load. Assuming
the ambient air around the CPU is only 5c!!! (which is very very
very very unlikely), then you would need a hs that can do 0.125 C/W
to maintain a 15C CPU temp. This is twice as good as a
Thermalright SLK900 can manage with a 5500rpm 80mm fan (0.22C/W).
i.e. What I am saying it is completely impossible with air cooling
to maintain a CPU temp of 15C.

Something is seriously wrong with your sensors.

Chip.

I tried to post a screenshot but I guess my provider won't let it go
through. The following is a copy of the SiSandra CPU/BIOS info as of
five minutes ago. Irrelevant stuff left intact.


I have 4 comments.

1. Your CPU temp shows 20C, not 15C as you originally said


Uhh, dude, learn to read. Several lines above your post he says that his

CPU
temp at 6am was 15°, at time of writing 19°.
--
~misfit~


Uhh dude why don't you learn to *think*.

I questioned his 15C comment. So he replies with "evidence" showing 20C.
WTF use is that?

Chip.




  #27  
Old December 22nd 03, 12:25 AM
~misfit~
external usenet poster
 
Posts: n/a
Default

Chip wrote:
"~misfit~" wrote in message
...
Chip wrote:
"§unnyß©" wrote in message
...
On Sat, 20 Dec 2003 18:34:07 -0000, "Chip"
wrote:


"§unnyß©" wrote in message
...
On Sat, 20 Dec 2003 10:21:36 -0000, "Chip"
wrote:

"joef" wrote in message
...

"ElJerid" wrote in message
...

"EzAk" wrote in message
...
ok whats the deal he

bios stats
system temp: 46c/114f
cpu surface temp: 38c/100f
cpu core temp: 42c/107f

hardware doctor
system 46
cpu 38.00 - 38.50

system is:
Zalman cnps 7000A-Cu *copper*
Barton 2500+ WEEK 33 (unlocked)
3200 ddr 400 512
ATI 9800 PRO 128mb
60gb Maxtor
160gb Maxtor
Plexwriter (12X1032) AND (52X32X52)
NSpire 300w
Chen Ming ATX-601 AE case

There is a problem with your case ventilation. Are there any
fans in it? The two hard disks plus the 9800 Pro dissipate a
lot of heat
that
has to
be
extracted. You should have one or two fans blowing into the
case
and
one
on
top of the psu fan(s) extracting the hot air from the case.

My sysoft sandra confuses the system and cpu readings - ie
they're swapped. Could be your problem. Does the system temp
rise quickly from cold? This might indicate same thing
happening.

This *is* the problem. It is against the laws of Physics for
the system temp to be higher than the CPU temp. (Unless he's
using a pelt, or has a heater in the case.... which I doubt
somehow.)

Chip.


My system temp is usually higher than my CPU temp.
AMD 2100+ "B" at 2350Mhz (173.9x13.5)
1.85 vcore
CPU temp is 19c / System temp is 20c
At 6:00 AM this morning the CPU temp was 15c / System 19c

What, with the PC switched off ;-)

Seriously I don't buy those temps.

At 1.85 core your CPU is producing about 80w under load. Assuming
the ambient air around the CPU is only 5c!!! (which is very very
very very unlikely), then you would need a hs that can do 0.125
C/W to maintain a 15C CPU temp. This is twice as good as a
Thermalright SLK900 can manage with a 5500rpm 80mm fan (0.22C/W).
i.e. What I am saying it is completely impossible with air cooling
to maintain a CPU temp of 15C.

Something is seriously wrong with your sensors.

Chip.

I tried to post a screenshot but I guess my provider won't let it
go through. The following is a copy of the SiSandra CPU/BIOS info
as of five minutes ago. Irrelevant stuff left intact.

I have 4 comments.

1. Your CPU temp shows 20C, not 15C as you originally said


Uhh, dude, learn to read. Several lines above your post he says that
his CPU temp at 6am was 15°, at time of writing 19°.
--
~misfit~


Uhh dude why don't you learn to *think*.

I questioned his 15C comment. So he replies with "evidence" showing
20C. WTF use is that?


You went off in a big rant about how difficult it would be to 'maintain a
CPU temp of 15°C', basically saying he was a liar, yet he never claimed he
'maintained' that temp, only that, at 6am on the morning in question, his
CPU registered 15°C. He said that later in the day his CPU temp regisetered
19°C and his posted data dump from sandra is very close to that.

Get a hobby Chip. One other than brow-beating people who are only asking for
help.
--
~misfit~


  #28  
Old December 22nd 03, 09:58 AM
David Maynard
external usenet poster
 
Posts: n/a
Default

BigBadger wrote:
But the air coming off the heatsink cannot be hotter than the cpu (otherwise
it would heat the cpu not cool it).
The cpu must always be hotter than the case air temp (unless your water or
Refrigeration cooling or such like)


That is, of course, quite true.

What in the world makes people think that "system temp" is necessarily the
same as case air temp is another matter.

  #29  
Old December 22nd 03, 10:21 AM
Chip
external usenet poster
 
Posts: n/a
Default

"~misfit~" wrote in message news:WXpFb.36505

[snip]

You went off in a big rant about how difficult it would be to 'maintain a
CPU temp of 15°C', basically saying he was a liar, yet he never claimed he
'maintained' that temp, only that, at 6am on the morning in question, his
CPU registered 15°C.


I never called him a liar, nor even hinted at it. I said in my original
post that his sensors are wrong (which they are). In my next post, I even
emphasised the fact "Having said all that, I am not saying I don't believe
you". Calling him a liar never came into it.

He said that later in the day his CPU temp regisetered
19°C and his posted data dump from sandra is very close to that.


15? 19? It makes no difference. 19C is still impossible on air, unless you
sit outside in Iceland in the winter.

Get a hobby Chip. One other than brow-beating people who are only asking

for
help.


What "asking for help"? I don't see SunnyB asking for any help, do you?
Just jumped in telling everyone how wonderfully low his temps are. And I
merely pointed out to him that his sensors are not accurate.

Any anyway, what the feck has it got to do with you. First you jump in with
your "learn to read" offensive ********. And now this. I wonder why I
don't feel a need to heed your "advice".

Chip.


  #30  
Old December 22nd 03, 12:41 PM
Chip
external usenet poster
 
Posts: n/a
Default

Hey listen, peace. Sorry about my last post - I was in a really sh*tty
mood. No excuse.

Have a Happy Christmas and try not to let miserable idiots like me get you
down ;-)

Chip


 




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