Overclock.net › Forums › Intel › Intel CPUs › Intel 2.6ghz OC help
New Posts  All Forums:Forum Nav:

Intel 2.6ghz OC help

post #1 of 11
Thread Starter 
Hi friends i am complete newbie to overclocking, but still i tried my hands on a old intel p4 prescott 2.68ghz cpu. I succesfully overclocked it using Clockgen software to 2.9ghz and its running stable. I wanted to OC it from motherboard, please guide me. Mobo is Gigabyte 945gcmx-s2. Thanks
post #2 of 11
Do you have any BIOS options or is it strictly software overclocking?

*Edit - Just read that your board has plenty of options for OC'ing in the BIOS. Don't use clockgen.
Edited by *ka24e* - 11/8/11 at 9:45pm
post #3 of 11
Thread Starter 
@ka24e yes mobo supports overclocking but it am confused in changing fsb and voltage. Thanks for reply
post #4 of 11
The 945 chipset wasn't known for strong overclocking and I am truly suprised that you have it stable at 2.9. I also know that certain 945 chipsets were locked by intel and didn't allow the user to change the FSB (front side bus) to achieve higher clock speeds. Sorry, wish I could help more but I sold my p4 setup 8 years ago... and it was locked. Good luck.
White Knight
(0 items)
  
Reply
White Knight
(0 items)
  
Reply
post #5 of 11
Bump the FSB +2mhz on the stock voltage until you can't boot into Windows. Once you can't boot, increase the cpu voltage the smallest amount that you can and try again.

ianken, whats your PLL number? The one you used for clockgen.
Edited by *ka24e* - 11/8/11 at 9:52pm
post #6 of 11
Thread Starter 
ok thanks all friend's but still i am confused... Bofore software overclockinf FSB was 133 after overclock its 145. But it doesnt show how much voltage it has increased. I think i have to stick with clockgen OC
post #7 of 11
Thread Starter 
@boss my pll is Ics 954148 after clockgen oc this are the details,
Pll- Ics 954148
Clock 2908.40
Fsb 145.42
Fsb 581.7
Core voltage 1.344

and this my cpu profile
Intel® Pentium® 4 Processor 506 (1M Cache, 2.66 GHz, 533 MHz FSB)
post #8 of 11
2.9ghz (300mhz Overclock) is pretty good with software, but I think it could go a little higher.

I think your a little confused on how overclocking works, as far as voltage goes. CPU Voltage and FSB are two different things. Increasing your FSB speed does not increase CPU Voltage, and Increasing CPU Voltage does not increase FSB.
They are completely independent from one another.

The only time you should ever increase the CPU Voltage is to gain stability, provided you have the cooling to support it.

For example: Your using stock Vcore (in your case 1.344v) and you can run Prime95 stable for hours at 150 FSB. There would be absolutely no reason at all to increase CPU Voltage.

If for example, you can not run Prime95 without failing or crashing, you might want to bump the CPU Voltage. When you raise CPU Voltage (or Vcore) only raise it in the smallest amount possible and re-test.

When you raise Vcore you also raise the CPU Temperature. In your case with the P4 506, your MAXIMUM temp should no exceed 67.7C or 153.86 F
If your temperatures are getting close to the max, you need better cooling before you can continue overclocking or increasing Vcore.

Hope this help.
post #9 of 11
Look the general way it works is raise your clock to to 150mhz in the Bios that will give you 3Ghz and check what your ram speed is, if its garden variety DDR2 keep it at or below its rated speed just lower the divider to keep the speed below what it should be. Boot it and check for stability using prime95 and proberly speedfan for your temps if its unstable you might have to raise the voltage slightly. Its a 533mhz bus cpu you should be able to get a good overclock on it I would expect to get at least 3.3 before you should be worried about cooling to much but still make sure its okay.
I would like to play with it it wouldnt be hard to get 4ghz+ out of it.
Edited by macsbeach98 - 11/9/11 at 2:28am
post #10 of 11
Thread Starter 
Quote:
Originally Posted by *ka24e* View Post
2.9ghz (300mhz Overclock) is pretty good with software, but I think it could go a little higher.

I think your a little confused on how overclocking works, as far as voltage goes. CPU Voltage and FSB are two different things. Increasing your FSB speed does not increase CPU Voltage, and Increasing CPU Voltage does not increase FSB.
They are completely independent from one another.

The only time you should ever increase the CPU Voltage is to gain stability, provided you have the cooling to support it.

For example: Your using stock Vcore (in your case 1.344v) and you can run Prime95 stable for hours at 150 FSB. There would be absolutely no reason at all to increase CPU Voltage.

If for example, you can not run Prime95 without failing or crashing, you might want to bump the CPU Voltage. When you raise CPU Voltage (or Vcore) only raise it in the smallest amount possible and re-test.

When you raise Vcore you also raise the CPU Temperature. In your case with the P4 506, your MAXIMUM temp should no exceed 67.7C or 153.86 F
If your temperatures are getting close to the max, you need better cooling before you can continue overclocking or increasing Vcore.

Hope this help.
Great i will try as you mentioned thanks. I have the stock cooler with temp at 54 degree
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Intel CPUs
Overclock.net › Forums › Intel › Intel CPUs › Intel 2.6ghz OC help