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Pentium 4 550.

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pengwin   07-07-2006 at 05:33:31 PM

Hi, i want to overclock my pentium 4 550 (3.4 Ghz Prescott) and how far do u guys think it wil go? Also how hot can prescotts get before damage is done.

Thanks

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pengwin   07-07-2006 at 05:35:40 PM
- 0 +

ftp://mulanserving.homeftp.net/Shuttle/SS.JPG


CPU-Z pic.

also should i mess with the multiplier? bring it up or down?

Reply to pengwin
m25   07-07-2006 at 05:53:13 PM
- 0 +

I am sure the multiplier is locked upwards but I guess it's also locked downwards on P4s so all you can do is play with the FSB.
If you make 60°C or more (under load) with your current cooler you should also get a new one. Theorically should overclock well but not as well as the 530 or 520.
I bet you're looking for conroe and want to squeeze your 550 :wink:

Reply to m25
Da_Banig   07-07-2006 at 06:07:08 PM
- 0 +

I have an old P4 560 clocked at 3.6Ghz, I can push it like 4.2Ghz on air, but you can do better if you have better cooling. And for the mutiplier I believe that all the P4 5xx series can be unlockable, I can unlcok my 560, and you should be able to as well. All P4 6xx series are locked. I hope this help

Reply to Da_Banig
pengwin   07-07-2006 at 06:13:00 PM
- 0 +

Quote :

I am sure the multiplier is locked upwards but I guess it's also locked downwards on P4s so all you can do is play with the FSB.
If you make 60°C or more (under load) with your current cooler you should also get a new one. Theorically should overclock well but not as well as the 530 or 520.
I bet you're looking for conroe and want to squeeze your 550 :wink:




nah its for a friend. Hes getting a great deal on it so he got one.

Ok thanks. ill play with the FSB then

Reply to pengwin
m25   07-07-2006 at 06:39:14 PM
- 0 +

As you can see you can push it from 3.4 to 3.6 or more but if 200+ MHz make sense on my 3000+ ( it's more than 10% of 1800MHz), it won't change much the things for a 3.4GHz CPU (it's less than 6% while 8-10% is considered the minimum reasonable gain form OCing.

Reply to m25
angry_ducky   07-07-2006 at 06:46:12 PM
- 0 +

4GHz+ with good cooling. Prescotts run hot, but I'd be worried about a temp over 60C. Low to mid-50s is an okay temperature.

Reply to angry_ducky
RichPLS   07-07-2006 at 06:49:20 PM
- 0 +

True... but a Prescott will not throttle till near 80C, but it is not difficult to keep it below 60C

Reply to RichPLS
pengwin   07-07-2006 at 06:51:05 PM
- 0 +

Quote :

True... but a Prescott will not throttle till near 80C, but it is not difficult to keep it below 60C



a vantec 92mm 119cfm fan will keep it cool.

Reply to pengwin
1Tanker   07-07-2006 at 07:06:36 PM
- 0 +

Quote :

True... but a Prescott will not throttle till near 80C, but it is not difficult to keep it below 60C



a vantec 92mm 119cfm fan will keep it cool.Yep, and it will p*ss off your neighbours too, as they think you have a jet engine in your comp.room. 8O I suspect getting over 4.0 will take some MAJOR cooling, but 3.8-3.9 should be no probs, with good case airflow. Prescott will not "suffer" with over 60C, they have a great tolerance for heat...but as everyone has said try to keep it below 60C-65C. Make sure you have some fans blowing on the MOSFETS, and even your HD as they'll get nice and toasty warm and case temps can climb. GL :)

PS. Let us know how you make out.

Reply to 1Tanker
pengwin   07-07-2006 at 07:14:03 PM
- 0 +

Quote :

True... but a Prescott will not throttle till near 80C, but it is not difficult to keep it below 60C



a vantec 92mm 119cfm fan will keep it cool.Yep, and it will p*ss off your neighbours too, as they think you have a jet engine in your comp.room. 8O I suspect getting over 4.0 will take some MAJOR cooling, but 3.8-3.9 should be no probs, with good case airflow. Prescott will not "suffer" with over 60C, they have a great tolerance for heat...but as everyone has said try to keep it below 60C-65C. Make sure you have some fans blowing on the MOSFETS, and even your HD as they'll get nice and toasty warm and case temps can climb. GL :)

PS. Let us know how you make out.

will do. btw its in a shuttle case so i think 119 cfm shoudl cool the whole danm thing.

Reply to pengwin
angry_ducky   07-07-2006 at 07:53:03 PM
- 0 +

Quote :

True... but a Prescott will not throttle till near 80C, but it is not difficult to keep it below 60C



a vantec 92mm 119cfm fan will keep it cool.Yep, and it will p*ss off your neighbours too, as they think you have a jet engine in your comp.room. 8O I suspect getting over 4.0 will take some MAJOR cooling, but 3.8-3.9 should be no probs, with good case airflow. Prescott will not "suffer" with over 60C, they have a great tolerance for heat...but as everyone has said try to keep it below 60C-65C. Make sure you have some fans blowing on the MOSFETS, and even your HD as they'll get nice and toasty warm and case temps can climb. GL :)

PS. Let us know how you make out.

will do. btw its in a shuttle case so i think 119 cfm shoudl cool the whole danm thing.

A Prescott in a shuttle case is a bad idea. Get a really good cooler if you want to overclock that f*cker. I had a P4 540 in an HP case with only a rear fan, and the CPU and mobo fried.

Reply to angry_ducky
pengwin   07-07-2006 at 08:19:37 PM
- 0 +

Quote :

True... but a Prescott will not throttle till near 80C, but it is not difficult to keep it below 60C



a vantec 92mm 119cfm fan will keep it cool.Yep, and it will p*ss off your neighbours too, as they think you have a jet engine in your comp.room. 8O I suspect getting over 4.0 will take some MAJOR cooling, but 3.8-3.9 should be no probs, with good case airflow. Prescott will not "suffer" with over 60C, they have a great tolerance for heat...but as everyone has said try to keep it below 60C-65C. Make sure you have some fans blowing on the MOSFETS, and even your HD as they'll get nice and toasty warm and case temps can climb. GL :)

PS. Let us know how you make out.

will do. btw its in a shuttle case so i think 119 cfm shoudl cool the whole danm thing.

A Prescott in a shuttle case is a bad idea. Get a really good cooler if you want to overclock that f*cker. I had a P4 540 in an HP case with only a rear fan, and the CPU and mobo fried.

supposedly the Shuttle ICE cooler is pretty good.

Reply to pengwin
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