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Detailed: OCing Pentium-D (something doesnt seem right)

post #1 of 3
Thread Starter 
I have been using a book that I bought to guide me through the whole overclocking process, but as I started overclocking things just dont seem right at all and I dont know what could be the cause of this. Here is somewhat of a overclocking log:

ORIGINAL: 3.4GHz | DDR2 Frequency: Auto | 3Dmark06 score: 5380 | CPU voltage: Auto| CPU Temp (Idle): 29-31C|

Overclocking process: 3.58 GHz | DDR2: Auto| 3Dmark score: 5431| CPU volt : Auto| CPU Temp: 29-32C| - | 3.66 GHz | DDR2: Auto| 3Dmark score: 5573| CPU volt: Auto| CPU Temp: 29-32C|

This is where things start getting strange... After I got this 3Dmark score I started adjusting the other things trying to figure out what just happened, why did my score just drop out of nowhere.

| 3.74 GHz | DDR2: Auto| 3Dmarkscore: ((4830))| CPU volt: Auto| CPU Temp: 29-32C| - | 3.74 GHz | DDR2: 353 MHz | 3Dmark score: 4833| CPU volt: Auto| CPU Temp: 29-32C| - | 3.74 GHz | DDR2: 470 MHz | 3Dmark score: 4881| CPU volt: Auto| CPU Temp: 29-32C|

At this point if I brought up my DDR2 frequency the overclocking would fail, and since the CPU Temps where running very stable through the whole thing I started adding more to the voltage to it to see if I can get alot out of this processor and get my score back up.

| 3.82 GHz | DDR2: 470 MHz | 3Dmark score: 4905| CPU volt: 1.3125| CPU Temp: 30-32C|

FINAL:| 4.00 GHz | DDR2: 588 MHz | 3Dmark score: 4994| CPU volt: 1.4375| CPU Temp: 30-34C|

As you can see the 3Dmark06 score gradually increases as I try to adjust things to get my score back, but its not even close to 5573 as it was at 3.66 GHz. What is the cause of this sudden drop in the score? My voltages are stable, my CPU Temps are more then stable. All programs appear to run smoothly with no lock ups or any of that.
Gaming Tower
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Pentium D 3.4GHz ASUSTeK P5WD2-E Premium Radeon X1900XTX 512MB Corsair XMS 2GB 
Hard DriveOSPowerCase
Seagate Barracuda 400GB Windows XP GamerXtreme 700 NZXT Trinity Black 
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Gaming Tower
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Pentium D 3.4GHz ASUSTeK P5WD2-E Premium Radeon X1900XTX 512MB Corsair XMS 2GB 
Hard DriveOSPowerCase
Seagate Barracuda 400GB Windows XP GamerXtreme 700 NZXT Trinity Black 
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Reply
post #2 of 3
I would like an answer to this as well, I have never been succesfull overclocking my Pentium D 3.4Ghz either.
McLovin
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500K @4.5ghz 1.26v Asus P8Z68-V PRO GTX 570 Twin Frozr III G.Skill Ripjaws X 2x4Gb 1600mhz 
Hard DriveOSMonitorPower
Crucial M4 64Gb/WD Caviar Black 1Tb Windows 7 64 bit Samsung 2053BW Corsair AX850W 
Case
NZXT Phantom Red 
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McLovin
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500K @4.5ghz 1.26v Asus P8Z68-V PRO GTX 570 Twin Frozr III G.Skill Ripjaws X 2x4Gb 1600mhz 
Hard DriveOSMonitorPower
Crucial M4 64Gb/WD Caviar Black 1Tb Windows 7 64 bit Samsung 2053BW Corsair AX850W 
Case
NZXT Phantom Red 
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post #3 of 3
Thread Starter 
I updated my drivers and looked around for anything that might be causing it but I dont have any leads as to what made it drop all of the sudden. Is there anything I should be checking, or any other testing programs that may give me a better idea as to what is causing this.
Gaming Tower
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Pentium D 3.4GHz ASUSTeK P5WD2-E Premium Radeon X1900XTX 512MB Corsair XMS 2GB 
Hard DriveOSPowerCase
Seagate Barracuda 400GB Windows XP GamerXtreme 700 NZXT Trinity Black 
  hide details  
Reply
Gaming Tower
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Pentium D 3.4GHz ASUSTeK P5WD2-E Premium Radeon X1900XTX 512MB Corsair XMS 2GB 
Hard DriveOSPowerCase
Seagate Barracuda 400GB Windows XP GamerXtreme 700 NZXT Trinity Black 
  hide details  
Reply
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