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overclocking for a old overclocker

J

Jules

Lifer
Im trying to get back into overclocking. the last time i over clocked was about 1 year ago on a p4 2.4c 512mb corsair xms ram radeon 9700pro. i got the cpu to around 3.4ghz on a abit ic7 mobo.
At the moment im lost in overclocking. right now i have a 3.0E 800fsb 1mb cache DDR 2 Pqi pc4200 3338 timing geforce 7800gt and MSI 915P Combo MB,
if got it to 215mhz but its just not stable at all
 
Im trying to get back into overclocking. the last time i over clocked was about 1 year ago on a p4 2.4c 512mb corsair xms ram radeon 9700pro. i got the cpu to around 3.4ghz on a abit ic7 mobo.
At the moment im lost in overclocking. right now i have a 3.0E 800fsb 1mb cache DDR 2 Pqi pc4200 3338 timing geforce 7800gt and MSI 915P Combo MB,
if got it to 215mhz but its just not stable at all
Click to expand...

What's the point? 😕
 
Well could be many things. Might need a vcore increase. Your motherboard is probably running the ram at it's rated speed at default settings, so if you aren't using a divider, your mem is being overclocked..
 
divider means that your ram runs slower than the CPU for example: Cpu 200FSB; RAM 133Mhz. What you are doing right now is called 1:1 ratio meaning the speed of the CPU equals the RAM speed so when you reduce your ram speed, you might create an extra "headroom" on your memory to perform even better in corelation to the CPU Speed.
 
The ram divider should be listed as "memory frequency" pr "Max memory clock" or something along those lines. And the options should be 200,166,133, or DDR400,DDR333. ect..
 
Set your ram to run at sync with your Front Side Bus, which should be 200. That way, you should be able to overclock just fine.
 
im using ddr memory and its only showing me 2 options. 400mhz and 533 what should i do?

btw this is ddr2 memory
 
Something else is that your particular board may not be a good overclocker or your CPU may be running too hot. I remember when the first 915/925 chipsets came out, none of them could overclock worth a darn until Abit and Asus figured out how to bypass something that limited clock speeds. Perhaps your board doesn't have that feature?

Intel 925X: Exploring the Overclock Lock
When an attempt is made to boot at more than about 10% on a 925X or 915, the system simply reboots or shuts-down. We have not been able to get any kind of official explanation from Intel, but board makers tell us that Intel has added an overclocking limiter that resets a PLL and reboots or shuts down the system if overclock attempts are made at speeds over about 110% of specification.
Click to expand...

Breaking Intel's Overclock Lock: The REAL Story
The overclock lock is very real on the Intel 925X/915 chipset. Sources close to Intel have confirmed that the 925X/915 chipset was designed with a 10% overclock limit as a design parameter. This is not a simple lock loop, but involves several components according to Engineers at Asus and Abit:
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