What is the highest temperature a 1Ghz Thunderbird should run on??(without screw it up!?)

[MC]

I have a 1Ghz ThunderBird on MSI KT7Pro2A with Taisol heatsink and coolermaster fan(5000RPM) running at 45C/113F in BIOS!
Didn't even get to install window yet, i just go into BIOS in first boot and monitor the temperature and found it finally stable at 45C/113F.

Wondering if it will go higher when installing windows or playing games or stuff like that!


I know to solve this is get better colling or stuff like that but will i survive with this setup now?

 

[Dexion]

Your definately safe. Tbirds screw up around 52C(BIOS temp). However since all boards are not identical at reading the temperature its really hard to tell. Just install Windows and give it a try.

 

[MC]

anyone else?

 

[MichaelD]

I had this exact same question about a week ago. I have a KT7-Raid board and a 1Gig Tbird @ 1 Gig. Not brave enough to overclock...yet.

During heavy gaming, i.e. UT, my CPU runs at 130-132F. It seems stable to me. My system temp never goes higher than 79F. These temps are from the Via Hardware Monitor.

Just for kicks, right after about an hour of UT, and reading 132 in Via, I rebooted and checked the temp in the BIOS. It was 128. That's only a four degree difference. There was probably about a 20 second delay between the reading I took w/VIA, and rebooting to BIOS. I don't think the temp would drop 4 degrees in 20 seconds. WEll, maybe, but anyway...I'm new to AMD products. This is my first. I must admit, so far I see absolutely no difference, quality-wise betwixt a TBird and a PIII. I don't know why I didn't build an AMD system sooner.

As I was saying, I'm new to AMD chips. When I first saw these temps, I panicked. My old PIII550Enever got hotter than about 85. And that was in a tiny micro ATB case. According to the folks on this forum, my (and your) temps are normal. I'd like to see the CPU never go above 120 though. I see some case mods in my future.

BTW, I'm runing Win 98SE. It loaded up the first, second and third times with no problem. (I reformatted my HD 3times because I couldn't make up my mind whether to partition or not.) I've had zero problems.

I just wanted to let you know that your temps are not off the mark. I have the exact same 1Gig CPU that you have and we have similar temps. Make sure that you put that HSF on correctly and that you have at least an exhaust fan in addition to the HSF on the CPU. Cheers.

EDIT EDIT EDIT
I forgot to add that when not gaming, just surfing or typing in Winword, the CPU idles at about 85-90F. Sucker heats up when fraggin'.

 

[MC]

Thanks MichaelD!

I would also like to know anyone ever BURNED their TBird? If so, at what temp?

 

[Mule]

The Tbirds have a threshold of 90C at the cpu's die. However, most probe temps are inaccurate and they don't always measure the temp at the core so I would say that anything under 60C would be "safe", however because of the heat dissapated it's not uncommon to see 1.2 Ghz Tbirds running in the high 50's and low 60's especially when they're overclocked.

My 1.1 Ghz Tbird @ 1.6v
53C max, 30C mobo max

My 1.1 Ghz Tbird @ 1.85v
56C max, 31C mobo max

BTW, my 2 casefans are the panaflo L1a's 21db. Taisol 733 HSF

 

[joohang]

I'm running my Thunderbird 1 GHz at 49~54°C idle and 60°C max.

I know that these temps are inaccurate, as I'm using MSI K7T Pro2-A, but everything seems to be running fine.

As long as my computer is stable, I'm not complaining. There's no way that I'll replace my QuietPC Radial Fin socket-A HSF for anything else.

 

[gtd2000]

Mule says exactly what AMD Hong Kong told me - 90 celcius
Phoned them to confirm, when my mates was running at 55C....he was concerned it was a bit high.

 

[hans007]

mine runs 48-50C at 100% full rc5 load. I think that your temp is actually low. I've got a in socket thermistor like pressing up against it so much, that you have to hold it down to get it to stay in the socket, so i think its fairly accurate hopefully.

 

[MC]

thanks guys!

 

[DaddyG]

90c is the core destruction temperature. BIRDs will fail with errors, BSD's etc in the low 60's.

 

[Mark R]

A minor correction to what has been said before: 90 C is the maximum core temperature guaranteed to be stable for 1 GHz and below. It is 95 C for 1.1 GHz and above. Core destruction temperature is above 100 C.

Remember, these are internal temperatures. A safety margin of 20-25 C should be added when comparing to CPU temperature as measured by motherboard sensors.

 

[Mule]

<< 90c is the core destruction temperature. BIRDs will fail with errors, BSD's etc in the low 60's. >>


When I first got my computer running, I had no case fans at all, just the PSU fan and the Taisol fan. My temps would reach ~65C with 1.85v at default clock and it ran as stable as it does now. I just added some quiet panaflo case fans just for piece of mind running under 55C.

 

[Mikewarrior2]

Mule,

What motherboard are you using? THe &quot;read&quot; temp limit varies board to board, but it is around 60C for most boards(taking in under-read problems, etc). Also, with certain heatsinks, a 60C read temp could mean 80C core temp, so the 60C rule is a good one to &quot;live by&quot;.


Mike

 

[joohang]

You can also find those temperatures at AMD.com. It's listed on one of those 5MB PDF Whitepapers.

It says 90°C for up to 1 GHz and 95°C for 1.1 GHz and up.

 

[forouza1]

My 1Ghz AMD on my MSI Pro2a runs about 39C on idle and with maximum load with get upto 43C. This is off course with an open case as I'm waiting for my new Windtunnel Plus to come in.

 

[Mikewarrior2]

Joohang,

That would be correct if reading temp=core temp, which it currently does not.


Mike

P.S. I've gotten e-mails about CPUs burning up at 50C reading temps with certain heatsinks.

 

[joohang]

Mikewarrior2,

Yes I understand. I've read your articles and posts many times already.

I'm going to order either a Panaflo or a QuietPC Chassis fan to cool down my CPU a bit more.

 

[Rent]

My friends was running 55+ at one point and it had me concerned... so we bought a much better fan and now it runs a max of 55C full load.

My Slot A 800 never breaks 45C...

 

[DaddyG]

As Mike pointed out, the actual core temp is impossible to read. I still say that if you actually see a reading of 90c, get some jelly for that 'toast'. During some testing at Hardocp, Kyle has had 1gig Birds fail with readings in the mid 50's with certain hsf's. The 90c numbers are meaningless.

 

[Nemeth27]

You may want to check that the heatsink is on correctly. 45C at idle is a little on the high side. My T-bird 800@950 runs at 46C at full load. I know that the real temperature is probably higher but then again so is everyone elses. Then again that's just my opinion.

 

[Buddabudda]

I read every so often about these people who run with 'case off'. It's always been my understanding that case tempratures actually rise in most cases with the cover off because it loses the vacuume effect. That's assuming you have the proper intake and exhaust fans.

This assumption wrong?

 

[MC]

buddlabuddla, your assumption is correct provided the case have really good air flow and ventilation......

I was wondering whether the &quot;Vcore&quot; will effect the performance of the chip or not??

coz i can define my Vcore manually in the bios of my MSI Pro2A and i thought by lowering the Vcore to 1.70 or 1.65 might LOWER the temperature? provided there is no performance issues by doing that!?

any comment?

 

[Mikewarrior2]

Lowering voltage does not effect performance(it effects stability and temp...)

Lowering voltage will also drop cpu temp, as this has more effect than bus speed changes.


Mike