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P4P800 Deluxe / 2.6c

post #1 of 20
Thread Starter 
Hey all,

I just recieved my fresh kit of RAM:

OCZ EL Platinum PC3200 2GB 2X1GB DDR400 CL2-3-2-5

I installed the Ram successfully. When the system booted up, it recognized the chips and automatically started at Dual-Channel, Linear Mode.

I got into windows and started messing around. I am kinda new to manual overclocking so would appreciate some help!!!

Then i ran CPU-Z and this is what i saw:

Under the Memory Tab:
Timings:
Frequency - 196.0MHz
FSB : DRAM - 5:4
CAS# Latency - 2
RAS# to CAS# Delay - 3
RAS# Precharge - 2
Cycle Time (Tras) - 5


My Bios settings are as follows:

CPU - 240MHz
DRAM - 320Mhz (5:4)
CPU Voltage - 1.7v
DDR Voltage - 2.75v
AGP - 1.6v

AGP/PCI - 66.66/33.33

Memory Acceleration - Enabled
Performance Mode - Turbo

As a result i am running @ 3.185Ghz right now.

Ran SuperPI (2M) Test: 1min 43sec.
Prime 95 Stable: 10.5 hours.
OCCT Stable: 4hours.

CPU Temp (after 10hours of Prime95) - 41Celcius
Mobo Temp (after 10hours of Prime95) - 39Celcius


I have not tried to go higher because i dont know if the voltages i have set are proper. I also collected a bunch of suggested info and not sure if this is the best way to get max out of my CPU.

I have watercooling on my CPU - (Thermaltake Bigwater SE)


What i would like to get is the best, suggested settings to try for my system specs.


I would ideally like to run my 2.6C @ ~3.5GHZ, and RAM at the best possible for GAMING and VIDEO.


Please give me some advise on the settings i should try and what programs i should test with. Thank You.
post #2 of 20
Legacy USB = disabled
Memory Acceleration - disabled
Performance Mode - Auto

All other settings are fine.

Set your dram to 266 as this will take it out of the equation. Then set your fsb to 250MHz. Enter windows and run Superpi 32M and Prime95 (~1hr). If all is clear then raise the fsb to 260 and repeat. When you begin to error then you can drop the fsb incrementialy until the errors cease. Then you can test lowering the voltage until the errors re-occur. Once you have your cpu/voltage points you can begin to play with your dram. You can try it at 1:1 @ 4-4-4-10 and then lower the latencies until you error Memtest V3.2. Once you have your lowest dram at 1:1 you are set for a final prime95 (Dual instances for a hyperthreaded cpu). If you pass the Prime95 for ~12hours then you are pretty well stable. You want the highest fsb with the lowest voltage and the lowest dram settings.

You can play with dividers on the dram but my personal choice is 1:1.

R
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post #3 of 20
Thread Starter 
Thanks for the post Ropey

Is there any chance that i could run my FSB at 260 or so? considering i got watercooling and maybe just raise the CPU votage to like 8.25v?

Any other suggestions would be appreciated!!!

Meanwhile, i will get on more testing.
post #4 of 20
Quote:
Originally Posted by Ruski1982
Is there any chance that i could run my FSB at 260 or so? considering i got watercooling and maybe just raise the CPU votage to like 8.25v?
I assume you mean 1.825V? You can do whatever you like. I wouldn't do it that way. I would do it the way I told you.

It is your computer and thus your responsibility regarding damage to your computer. Coming here and asking for help is a very smart thing when one is new to the "art form" of overclocking.

Good Luck... Hopefully some other members will have more advice for you regarding your view on voltage raising en masse.

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post #5 of 20
Edit: Sorry thought you had a prescott.
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post #6 of 20
Quote:
Originally Posted by ckp64
CPU voltage of 1.7v for a prescott is really high even if you are using W/C.
His processor is a "C" Northwood. On water 1.7V on such a processor is not that high.

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post #7 of 20
Alrite thanks for the correction, I thought 1.7v was way over the limit, was being stupid and thought he had a pressy.
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post #8 of 20
Northwoods have a habit of burning out with exsessive vcore, so watch out.
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post #9 of 20
Thread Starter 
Ok cool, i will try to keep my votage at Max 1.725v and follow your instructions Ropey.


A few quick questions...When i test using SuperPi (32M) and Prime95 for 1hour...do i run them simultaneously? or one at a time? (1 hour each)

AND...Prime95 am i running the Blend test? or one of other 2?


Keep up the comments if there is something to add guys. Thanks again, learning lots!!!
post #10 of 20
One run of SuperPi is fine.

Then create two folders of the SuperPi. Run each one. Set one for CPU0 and the other for CPU1. Then set one for a small run and one for the large one. No blend.

Use speedfan or some program to watch your temperatures. Disabled Screensaver and Monitor shutdown in Display Properties so that you can keep an eye on the temperatures.

Remember that you want the LOWEST voltages for the best overclock. IF you need to raise your voltages from 1.65V to 1.75 for a 5MHz (260 - 265MHz) raise then you are not getting good value in that raise. This however is just my opinion and others may be of other views. Higher voltages can bring you to Sudden Northwood Death Syndrome. Google that for an understanding of what I mean.

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