Opteron 170 running hot...need help

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Aryder

Member
Nov 29, 2005
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Hey guys, I built a new gaming rig not too long ago, was my first build, everything went well but my processor seems to be running a bit hot (44/45C idle) . Could you help me figure out the problem? Here are my specs...

Opteron 170
Asus a8n32sli deluxe
2x1gig corsair xms 1024-3500llpro
zalman 9500
74g raptor
300g seagate
bfg 7800gt oc
lian li pc65b case
4 stock case fans

I have some screenshots of cpuz and pc probe...but can't figure out how to get them on here, so heres what it's showing...this is all while idle btw.

Vcore 1.42
MB temp 36C
CPU temp 45C
CPU fan 2556 RPM
Core speed 2200 MHZ
Multiplier x10
HTT 220 MHZ
Timings 2 3 2 6

I'm not manually overclocking at all, but I do have the Asus AI booster NOS feature to overclock 10%.
If there's any information that I left out that is essential to finding out the problem, please let me know, i'll post it.
Any help would be appreciated because I do plan on overclocking, but i'd like to get temps under control first. Thanks.
Aryder
 
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ayabe

Diamond Member
Aug 10, 2005
7,449
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What are your load temps?

Did you apply a lot of thermal paste? Is your zalman seated properly?
 
A

Aryder

Member
Nov 29, 2005
30
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Can't tell you exactly what my full load temps are cuz it has never been through a full load, but it has shot up to 49C running WoW and HL2 simultaniously. Can you recommend a program that will tell me full load temps? I applied arctic silver 5 , put a drop on there and used a credit card to spread it out. The zalman is seated properly to my knowledge with the fan blowing to the back exhaust fan, i followed instructions carefully.
 
F

Fallengod

Diamond Member
Jul 2, 2001
5,908
19
81
download speedfan. Thats what I use.


It could just be you need a better cooler. It looks like you have 4 case fans so....hows ambient temp?
 
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ayabe

Diamond Member
Aug 10, 2005
7,449
0
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I think running WoW and HL2 would put you pretty close to full load, otherwise run Prime95 for 5 full minutes and monitor the temps. The Opterons run pretty hot but if you max out at 49 I wouldn't worry about it. I thought those Zalmans were built to run mostly silent, so chances are the fan is running a really low RPM when not under load to keep the noise down, that could explain your higher than average idle temps.
 
J

JustStarting

Diamond Member
Dec 13, 2000
3,135
0
76
your mobo temp is 36C?? That's kind hot itself. Whats your ambient temp? At idle CPU temp should be about 2-3C more than mobo temp.

I'd remove the Zalman and bend the retention bracket so it applies more force. Can you rotate the HSF with little effort? If yes, then you need to bend that bracket a tad more. I did not like the weak pressure my 95500 applied, so I modded my mounting.

I use studs and knurled nuts just like mounting a waterblock. Instead of springs I used the stock zalman bracket. Works like a champ and I can apply as much pressure as I want by turning the knurled nuts down a little more. My temps are great!!
 
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Aryder

Member
Nov 29, 2005
30
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i don't have a reading for ambient temp, but the air blowing out the vents does not seem hot or warm at all.
 
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Aryder

Member
Nov 29, 2005
30
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0
Ok, got prime95 running now and it seems like the cpu is maxing out at 50C and MB at 38C. Speedfan indicates that all fans are running at 100%...is there anyway to get more rpm's out of the zalman? I'm gonna try to remount the fan, and see if that helps at all.
 
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TheRyuu

Diamond Member
Dec 3, 2005
5,479
14
81
I got an SI-120+Panflo fan and an Opty 175. Running it at 250x10 right now, max load temp I get is 47ish and thats when I prime it.

That will all change when my I get my Water Cooling :p
 
A

Aryder

Member
Nov 29, 2005
30
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Originally posted by: JustStarting
your mobo temp is 36C?? That's kind hot itself. Whats your ambient temp? At idle CPU temp should be about 2-3C more than mobo temp.

I'd remove the Zalman and bend the retention bracket so it applies more force. Can you rotate the HSF with little effort? If yes, then you need to bend that bracket a tad more. I did not like the weak pressure my 95500 applied, so I modded my mounting.

I use studs and knurled nuts just like mounting a waterblock. Instead of springs I used the stock zalman bracket. Works like a champ and I can apply as much pressure as I want by turning the knurled nuts down a little more. My temps are great!!
Click to expand...


Yes, I could rotate it with little force..so I remounted it and bent the hell out of the retention bracket as much as I could without breaking it, remounted it and it, tried rotating it and it was firmly in place...I thought I had fixed the problem. But it seems like that only lowered the temp by like 1 or 2C. This is really pissing me off, i spent alot of money on this and everyone elses opty i read about isn't running this hot. What else can i do?
 
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TheRyuu

Diamond Member
Dec 3, 2005
5,479
14
81
Is your case ventalation good?
How many volts you pumping throug the Opteron?
Did you apply too much AS5?

All lead to the enevatable conclusion that you have to remount your HSF. Maby you did something wrong?
 
A

Aryder

Member
Nov 29, 2005
30
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Originally posted by: wizboy11
Is your case ventalation good?
How many volts you pumping throug the Opteron?
Did you apply too much AS5?

All lead to the enevatable conclusion that you have to remount your HSF. Maby you did something wrong?
Click to expand...



Case ventilation is fine, i have 2 bottom front intake and 1 upper back exhaust and 1 topside exhaust.
Pumping 1.41volts...not much at all.
When I remounted, it looked like there was maybe too much AS5 so I used a credit card to scrape some off, and cleaned off the HS....So to answer that....Yes, 1.41, and No. I know i didn't do anything wrong when mounting the HSF, i think zalman did something wrong when they released this piece to the market.
 
D

DBSX

Senior member
Jan 24, 2006
206
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0
Case ventilation is fine, i have 2 bottom front intake and 1 upper back exhaust and 1 topside exhaust.
Pumping 1.41volts...not much at all.
When I remounted, it looked like there was maybe too much AS5 so I used a credit card to scrape some off, and cleaned off the HS....So to answer that....Yes, 1.41, and No. I know i didn't do anything wrong when mounting the HSF, i think zalman did something wrong when they released this piece to the market.
Click to expand...

The number of fans doesn't make ventilation "fine" or not. How much air are the fans moving? Is there a nest of wires blocking proper airflow? Try adjusting your fans, sometimes intake fans are more hinderance than help, disconnect them and see if temps decrease (or increase).

Did you just scrape some AS5 off and replace the HS or did you clean everything and reapply AS5? A clean reaplication is probably better than scrapping some off. Your temps are not SO bad, and I don't think the problem is Zalman's heatsink. Most of their new ones perform great.

Personally I wouldn't (and don't) worry about those temps (my Opteron 165 runs about the same temps). So long as the PC is stable and the temps are within "acceptable" ranges for the headware, I don't really care. If you are looking for "ultimate cool" you might need to invest in a different heatsink or watercooling. basically, I don't see anything wrong with thos temps per se.

\Dan
 
lopri

lopri

Elite Member
Jul 27, 2002
13,310
687
126
I wouldn't worry about load temp 50C, unless you want a higher OC. Also mobo temp 36C seems low for NF4 chip to me? I've seen it shot up over 50C.
 
A

Aryder

Member
Nov 29, 2005
30
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Originally posted by: JustStarting
this is my current prime run....

170 dual priming

these are the kind of temps you should be seeing with that Zalman..... notice the fan speed is on full~ 2600 RPM loaded.
Click to expand...

man wtf, i can't even get my fan that high, but even if i did get it to 2600 i don't think it would bring the temps down to your temps.
 
J

JustStarting

Diamond Member
Dec 13, 2000
3,135
0
76
do you have the fan connector hooked directly to the motherboard?

Do you have cool-n-quiet enabled or disabled in your bios? Make sure it is disabled.

My DFI has a bios page where you set the fans to come on at a certain temperature. Do you have the same bios page? Make sure your fan is set to come on to full speed at 25- 30C.
 
A

Aryder

Member
Nov 29, 2005
30
0
0
Originally posted by: JustStarting
do you have the fan connector hooked directly to the motherboard?

Do you have cool-n-quiet enabled or disabled in your bios? Make sure it is disabled.

My DFI has a bios page where you set the fans to come on at a certain temperature. Do you have the same bios page? Make sure your fan is set to come on to full speed at 25- 30C.
Click to expand...

Fan connector was disconnected about a week ago because RPMs wouldn't go past 2300, CoolnQuiet is disabled, and I have no fan modding page in my bios :(
 
K

keldog7

Senior member
Dec 1, 2005
235
0
0
Install the proper drivers for the video card...they often have a temperature sensor which will allow you to measure the "real ambient" temperature inside your case, which is presumably the lowest temp your heatsink sees. If the inside of the case is 36C, well then everything else will run hot. There's a few posts around which will allow you to roughly calculate how much above ambient you can expect your CPU to run, assuming that the Arctic Silver (or whatever) is properly applied, and the heatsink working. (I posted one of the calculations myself, and you can get the empirical degreesC/Watt for the 9500 off of www.silentpcreview.com)
Either way, with a 170, I think you can expect the CPU to run in the mid-40s under load, mid-30s at idle.
 
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