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Overclocking an ancient Intel Core 2 Duo E6300

post #1 of 6
Thread Starter 
Hello guys,

I'm new to overclocking, first time I decided to give it a try. I've been reading guides lately but I'm really confused about all these technical specifications so I decided to ask you for some guidance. biggrin.gif

I have a E6300 core 2 duo CPU (1.86 stock)
2x1GB Ram Kingston DDR PC2-5300 (333mhz)
An ASUS EN9600 GT 512MB DDR3
Motherboard Biostar P4M89-M7A

I really wanna overclock the CPU a bit (nothing major, small performance boost would be enough ~2.1 to 2.5Ghz or something, I intend to buy a new PC before winter 2012) but i'm not really sure what my PC can handle. It's mainly for the upcoming GW2 (dont mind playing on lowest settings for a few months tongue.gif).

Some guy told me to start by increasing the CPU speed to 333Mhz and keeping memory to 1:1 333MHz = DDR2-667. I gave it a try and the following error message appeared, not allowing me to get past the POST (I believe that's the name, sorry if im wrong) "warning cpu has changed, re-enter CMOS and save". I did try to re-save a couple times but it would still pop, while taking an unusual amount of time for anything appearing on the screen (normally when u press the button the pc boots really fast, but after trying to alter the overclock the screen light would "blink" a couple times until it finally booted and popped the error message).

I don't wanna keep trying and fry something, so I would like to know if you have any idea what I did wrong and how to fix it. thumb.gif Thanks.
post #2 of 6
An old E6300 (based on 65nm Conroe) can do 2.8Ghz at around 1.2v (CPU voltage). At 333 FSB it's running a mere 2.33Ghz, which should be a piece of cake for that CPU.

I'm afraid that motherboard will hold you back. Make sure you can at least control the CPU voltage, that way you won't fry anything.
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CPUMotherboardGraphicsRAM
Core i5 3570k 4.0Ghz Asus P8Z77-V Pro Sapphire HD7870XT Dual-X 2GB Samsung Green 8GB 1600 @ 1866 
Hard DriveOptical DriveCoolingOS
Samsung 830 128GB SSD, Seagate 3TB, Samsung 1TB Sony DVD/Rw 24x Thermalright Ultra 120 Extreme Windows 8.1 Pro 
MonitorKeyboardPowerCase
Dell UltraSharp U2311H Saitek Eclipse II Seasonic X-650 Antec P183 
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post #3 of 6
Thread Starter 
Yea I can control it (default settings is "StartUp" I believe, and then I can add more voltage to the stock value) but i'm not sure how much I should add. My main concern is actually getting past the error message I said in the first post, since I have no idea why it keeps saying that I need to re-enter CMOS and save again (which I did "save and exit changes" or something similar).
post #4 of 6
Make sure that after you change the FSB to 333, you also need to reconfigure the memory speed to 333 (667).

If that still doesn't work then the motherboard doesn't support overclocking very well. The error message basically means that the overclock failed.
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CPUMotherboardGraphicsRAM
Core i5 3570k 4.0Ghz Asus P8Z77-V Pro Sapphire HD7870XT Dual-X 2GB Samsung Green 8GB 1600 @ 1866 
Hard DriveOptical DriveCoolingOS
Samsung 830 128GB SSD, Seagate 3TB, Samsung 1TB Sony DVD/Rw 24x Thermalright Ultra 120 Extreme Windows 8.1 Pro 
MonitorKeyboardPowerCase
Dell UltraSharp U2311H Saitek Eclipse II Seasonic X-650 Antec P183 
MouseAudio
Steelseries Xai Asus Xonar D1 / M-Audio AV40 / Ultrasone HFI-650 
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Money dump
(15 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 3570k 4.0Ghz Asus P8Z77-V Pro Sapphire HD7870XT Dual-X 2GB Samsung Green 8GB 1600 @ 1866 
Hard DriveOptical DriveCoolingOS
Samsung 830 128GB SSD, Seagate 3TB, Samsung 1TB Sony DVD/Rw 24x Thermalright Ultra 120 Extreme Windows 8.1 Pro 
MonitorKeyboardPowerCase
Dell UltraSharp U2311H Saitek Eclipse II Seasonic X-650 Antec P183 
MouseAudio
Steelseries Xai Asus Xonar D1 / M-Audio AV40 / Ultrasone HFI-650 
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post #5 of 6
Thread Starter 
I think I did everything right, I changed CPU Clock to 333 and DRAM clock to 333. http://www.pcstats.com/articleview.cfm?articleid=2055&page=4 According to this article (includes BIOS images wink.gif) the motherboard ain't that bad, but I dunno what I did wrong. frown.gif
post #6 of 6
Thread Starter 
Hi again.

Sorry for the double post.

I tried doing the overclock again, on this screen

221


I Increased CPU Clock to 333Mhz and on this one


294

I increased DRAM Clock to 333 aswell. On top of this last screen, the memory (DRAM Frequency) updates to 333 but the FSB Frequency doesn't, altho if I go back to the previous screen the CPU Clock is indeed at 333Mhz. Again, I tried booting and the error message "warning cpu has changed, re-enter CMOS and save" keeps appearing.

NOTE: the images aren't mine, I just found them on some random article about my motheboard and decided to use them to better explain my issues. Thanks again for any help. thumb.gif
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