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Overclocking of my Pentium 4 630 Prescott processor (Guide)

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post #1 of 2
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First of all, don't complain about the quality of what I’m about to write. I've been overclocking this processor, and if some of you out there want to know how to do it, I’ll let you in on some simple things to do.*

1. The motherboard
Make sure your motherboard supports BIOS overclocking. Its usually a board you buy from non-proprietary vendors. (I.E. Gigabyte, Asus, XFX, etc.)
The board that I will be using is an XFX 680i LT motherboard, with the 680i Nforce chipset. (of course)

2. Overview of BIOS
In the bios screen, you will need to find the page for the system clocks. Most of the time, you can pull up a help screen in your BIOS to help you find it. Sometimes the shortcut is CTRL+ALT+F1. Now, when you get into your clock configuration screen, you may notice that the multiplier for the CPU is completely locked. You can't decrease it, or increase it. So basically, since the CPU multiplier multiplies the FSB clock by 15x (P4 630 multiplier is 15x) an FSB of 800MHz, which is default, will give you a flat out 3GHz. We will need to increase the FSB in order to overclock the processor core.

3. Pre-Testing
One of the things you should do when overclocking is run a benchmark program before you overclock. So you can set a baseline, and see if your overclock actually does something. The best benchmarks out there are 3Dmark06, PCMark, and for stress testing, its best to use Prime95 or IntelBurnTest. (all these terms are google search-able)*

4. Cooling
Now this is one of the topics I should have covered earlier in this writing, but its best to say this now rather than later. If your CPU cooler cannot keep your processor cooler than lets say, 50C when idle, your cooler may not be good enough to overclock with. If your cooler keeps it at 51C to 60C when idle, you might want to consider a better cooler, but you may be able to increase your clock to about 3.525GHz and have it stable. That is about the most you should go. For those of you who have the better coolers, you are in luck, because you may be able to 4GHz or more in your overclock. I have not reached 4Ghz yet, but I will soon get a better cooler. Right now, I can only tell you how to get it to 3.7GHz stable.

5. Memory (RAM)
Most overclockers want to have high performance ram. This means that when you overclock, you can keep your FSB and Memory Clock the same (1:1 ratio). Having your clocks the same helps to give you the most speed from your RAM. But, for some of us, we have budget ram, and it cant really handle the intense speeds most of us bring on in overclocking. So, what we will need to do is have a ratio similar to either 5:4, or 1:3, but if you keep your FSB within 1000MHz, a 5:4 ratio will do perfectly.

6. Voltages
Now, this subject may scare some first time overclockers. But don't worry, as long as you don’t go crazy with the voltages, NOTHING will be harmed at all. In this guide, I will only increase the CPU voltage. Since the ram I am using cant support high frequencies, I’m going to keep the frequencies low and have the voltage the same. I'm not even going to increase my chipset voltages either.*

7. Time to get going
Now, its time to start overclocking. What you want to do, is slowly increment your system clocks. Since we will be adjusting the FSB, we will increase in 10 or 5 MHz increments. Open up your bios screen, and make sure you know where to increase your system voltages in the bios too, we will need that. Go to where you can adjust your FSB, and go ahead and increase it to 900MHz. make sure you are in "Linked" mode, with a ratio of 5:4 if you have poor ram, and a 1:1 ratio if you have High performance ram. Save settings and reboot into windows so that we can do a stability test. If you can confirm that you boot completely into windows, without a single error, we can increase the clock some more. Lets Return to the Bios screen. On your FSB now, increase to 910MHz, and reboot. Do another test with windows, and if it works right, go back to your Bios screen. Now, increase your FSB to 920MHz. This time when you boot into windows, you should start getting some errors. This is a stability problem. Easily fixed with an increase in CPU voltage. But if you did not see any stability problems, go ahead and go back to the bios and increase the FSB by 10. Now, for increasing the voltage for some of you who face stability problems, the default voltage is 1.24V. We must increase this to 1.55v to regain stability. Save settings and reboot. Now when we boot into windows, we should notice that we don’t see any more errors. We can continue overclocking. From this point on, just increase your FSB by 10MHz and reboot. Your voltage will carry through to at least 3.78GHz. I haven’t tested beyond that point yet, but if you are one of those people that can go to 4GHz, go on ahead and increase your voltage by .01v every time you come to stability problems. Be sure to NEVER EVER go beyond 1.64V!!!!! That is the maximum voltage the Pentium 4 630 can go.*

Well, from here on out, happy overclocking!!! I hope you like my guide, and moderators, if its good, I would love to see this stickied. biggrin.gif
Edited by jtc10512 - 1/25/11 at 12:04pm
ASUSBEAST
(19 items)
 
ASUS G46VW
(16 items)
 
 
CPUMotherboardGraphicsRAM
AMD Phenom II X4 965 BE ASUS M5A99X EVO HIS Radeon HD 6770  Pareema 4GB 
RAMHard DriveHard DriveOptical Drive
HyperX Blu 4GB 7200 RPM WD Caviar Blue 500GB SATA 3Gbps 32mb c... SAMSUNG SpinPoint T Series 500GB 7200RPM 16MB C... DVD-RW super multi drive 
CoolingOSOSMonitor
Cooler Master Hyper 212 Evo Windows 7 Home Premium 64-Bit Ubuntu/Kubuntu 14.04 Trusty Tahr 20" Acer S202HL 
MonitorKeyboardPowerCase
HP vs17 CoolerMaster CM Storm Trigger with MX Browns Thermaltake TR2 430w NZXT Classic Series M59 
MouseMouse PadAudio
Corsair M65 $1 mousepad thanks to /r/pcmasterrace Logitech LS11 2 channel speakers 
CPUMotherboardGraphicsRAM
Intel Core i5-3210M @ 2.5GHz ASUS G46VW Motherboard Nvidia GTX 660M Stock Ram (UNKNOWN BRAND) 
Hard DriveHard DriveOptical DriveCooling
Samsung Spinpoint M8 HDD Crucial M4 MSata SSD None Stock HS fans 
OSMonitorKeyboardPower
Microsoft Windows 8 x64 Stock 1366x768 LCD Panel with LED Backlight Built-In White Backlit Keyboard Stock 19.5V 9.23A ASUS Power Brick 
CaseMouseMouse PadAudio
ASUS G46VW Laptop Body Built-In ELAN Trackpad N/A Stock VIA Chipset 
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ASUSBEAST
(19 items)
 
ASUS G46VW
(16 items)
 
 
CPUMotherboardGraphicsRAM
AMD Phenom II X4 965 BE ASUS M5A99X EVO HIS Radeon HD 6770  Pareema 4GB 
RAMHard DriveHard DriveOptical Drive
HyperX Blu 4GB 7200 RPM WD Caviar Blue 500GB SATA 3Gbps 32mb c... SAMSUNG SpinPoint T Series 500GB 7200RPM 16MB C... DVD-RW super multi drive 
CoolingOSOSMonitor
Cooler Master Hyper 212 Evo Windows 7 Home Premium 64-Bit Ubuntu/Kubuntu 14.04 Trusty Tahr 20" Acer S202HL 
MonitorKeyboardPowerCase
HP vs17 CoolerMaster CM Storm Trigger with MX Browns Thermaltake TR2 430w NZXT Classic Series M59 
MouseMouse PadAudio
Corsair M65 $1 mousepad thanks to /r/pcmasterrace Logitech LS11 2 channel speakers 
CPUMotherboardGraphicsRAM
Intel Core i5-3210M @ 2.5GHz ASUS G46VW Motherboard Nvidia GTX 660M Stock Ram (UNKNOWN BRAND) 
Hard DriveHard DriveOptical DriveCooling
Samsung Spinpoint M8 HDD Crucial M4 MSata SSD None Stock HS fans 
OSMonitorKeyboardPower
Microsoft Windows 8 x64 Stock 1366x768 LCD Panel with LED Backlight Built-In White Backlit Keyboard Stock 19.5V 9.23A ASUS Power Brick 
CaseMouseMouse PadAudio
ASUS G46VW Laptop Body Built-In ELAN Trackpad N/A Stock VIA Chipset 
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post #2 of 2
niceeee. im gonna have to try this.
Phantom
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WD 110gb ASUS DVD RW Corsair H60 Windows 7 Ultimate x64 
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AOC e2343F and an LG Flatron L1710S Alienware Tactx 600w Inland NZXT Phantom 
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Phantom
(14 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X4 965 @ 3.4GHz MSI 870A-G54 Sapphire HD 6870 1GB 8GB (4x 2gb) DDR3 Micro Center/Samsung/Patriot ... 
Hard DriveOptical DriveCoolingOS
WD 110gb ASUS DVD RW Corsair H60 Windows 7 Ultimate x64 
MonitorKeyboardPowerCase
AOC e2343F and an LG Flatron L1710S Alienware Tactx 600w Inland NZXT Phantom 
Mouse
Logitech LX3 
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