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E5200 - Overclocking Thread - Page 351

Poll Results: Should the thread name be changed to E5x00 Overclocking Thread

Poll expired: Jan 24, 2009  
  • 58% (39)
    Yes, Change it to E5x00 Overclocking thread
  • 41% (28)
    No, Lets keep it how it is
67 Total Votes  
post #3501 of 4653
If nothing else works it MIGHT help to bump the mch voltage a notch. I dunno.
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post #3502 of 4653
Great sketch!
I'll follow that, and my intuition brought me to a very rough form of the same idea. But you got the... erm... Experience, which i am just beginning to build up now.

For now i have to stick to this mainboard that allows me to fine tune only FSB. The ratio options i have are: [auto][667][800], stated at DRAM Frequency in BIOS. How do they translate in x:x form?

The tools are poor, but that i guess is best for a newcomer in this domain

Thanks again
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post #3503 of 4653
Quote:
Originally Posted by wes45013 View Post
If nothing else works it MIGHT help to bump the mch voltage a notch. I dunno.
Yep... might help.

Also nemaca, just reading back a few posts. I doubt 1.3V vCore will get you to 3.76Ghz. If you can try 1.34-1.35V, but dont try it with stock cooler

And if OC ing mch stick at under 1.4V or max at exactly 1.4V (not sure about options on your mobo, but mine offers up to 1.8V i think)

EDIT: as iv'e said a few posts back u get the X:X ratio by dividing the option in BIOS (Auto,667,800...) with the default FSB speed for your CPU (thats 200)... so you get for 667mhz 667/200=3.335, and for 800/200=4. I guess AUTO option will always try and keep the ratio at the value that will always keep your DIMMs at around 800mhz DDR2 speed (stock speed for your modules)
Edited by miloshs - 6/7/09 at 4:51pm
    
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post #3504 of 4653
Quote:
Originally Posted by Babylonian View Post
i just checked my bios, and i had this option already enabled, but there r no further options to configure the ram settings !



aite, but the thing is for some reason i can't change the tCL value to anything other than 5 !



is there anyway to unlock it ?
CAS can only be changed in BIOS. MEMset is unable to change CAS.



I see a little bit of talk about 1GB modules vs 2GB modules. For the record, more ram is always faster! In my own test I found that 4GB @800Mhz is faster then 2GB @1200Mhz. So I wouldn't be to worried about 2GB sticks not being able to OC as well. They will still be faster.
    
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post #3505 of 4653
Quote:
Originally Posted by nemaca View Post
@Babylonian I noticed the tCL has to be modified from BIOS, and i posted up where to go, rest is doable in windows.
oops, my bad
i misunderstood u, u r absolutely right, as soon as i disabled that option, i got the option to modify the timings, but surprise surprise, the max value for tRAS, is 15 !

plus i tried using the slowest timings at those options, and using 800mhz for dram, and the computer did boot but after few seconds of windows, the computer shut down !

simply, its impossible to achieve 800mhz dram with this mobo we got !

also i tried the timings 4-4-4-12 for the 667mhz dram, and it also failed
it would only work when i set the tCL to 5 (5-4-4-12), so may be there was a good reason for the tCL to be locked in MemSet after all !
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post #3506 of 4653
Quote:
Originally Posted by PizzaMan View Post
CAS can only be changed in BIOS. MEMset is unable to change CAS.

I see a little bit of talk about 1GB modules vs 2GB modules. For the record, more ram is always faster! In my own test I found that 4GB @800Mhz is faster then 2GB @1200Mhz. So I wouldn't be to worried about 2GB sticks not being able to OC as well. They will still be faster.
Eh, good thing theres always someone that knows more

Tnx PizzaMan
    
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post #3507 of 4653
ok, i just want to try now to oc to 3.75 ghz
do i just change the fsb to 300 and change the vcore to 1.3625 V (the max my mobo allows)
or r there anything else beside those that i have to change ?
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post #3508 of 4653
Quote:
Originally Posted by Babylonian View Post
simply, its impossible to achieve 800mhz dram with this mobo we got !

also i tried the timings 4-4-4-12 for the 667mhz dram, and it also failed
it would only work when i set the tCL to 5 (5-4-4-12), so may be there was a good reason for the tCL to be locked in MemSet after all !

Are we talking here about DDR2 running at 800mhz or setting "DRAM frequency" in BIOS at 800mhz?

you should also check if someone with the same mobo had similar problems/limitations...

Quote:
Originally Posted by Babylonian
ok, i just want to try now to oc to 3.75 ghz
do i just change the fsb to 300 and change the vcore to 1.3625 V (the max my mobo allows)
or r there anything else beside those that i have to change ?
Hehe, hasty aren't we...

Try the steps i proveded couple posts back, and we'll see what happens.
Do you have Everest 5.0 or SpeedFan installed? What is the vCore readout in these monitoring programs currently, and what FSB and MULTI are you at now?

Run Core Temp and tell us what is VID value thats stated there?
    
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post #3509 of 4653
Quote:
Originally Posted by Babylonian View Post
oops, my bad
i misunderstood u, u r absolutely right, as soon as i disabled that option, i got the option to modify the timings, but surprise surprise, the max value for tRAS, is 15 !

plus i tried using the slowest timings at those options, and using 800mhz for dram, and the computer did boot but after few seconds of windows, the computer shut down !

simply, its impossible to achieve 800mhz dram with this mobo we got !

also i tried the timings 4-4-4-12 for the 667mhz dram, and it also failed
it would only work when i set the tCL to 5 (5-4-4-12), so may be there was a good reason for the tCL to be locked in MemSet after all !
Doesn't matter what mobo you have. You will not be able to change CAS while the system is running. It most be set during POST. Try booting at 4-5-5-15 then after systems boots try to tighten down the rest.
    
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post #3510 of 4653
Quote:
Originally Posted by miloshs View Post
Are we talking here about DDR2 running at 800mhz or setting "DRAM frequency" in BIOS at 800mhz?

you should also check if someone with the same mobo had similar problems/limitations...



Hehe, hasty aren't we...

Try the steps i proveded couple posts back, and we'll see what happens.
Do you have Everest 5.0 or SpeedFan installed? What is the vCore readout in these monitoring programs currently, and what FSB and MULTI are you at now?

Run Core Temp and tell us what is VID value thats stated there?
Quote:
Are we talking here about DDR2 running at 800mhz or setting "DRAM frequency" in BIOS at 800mhz?
i meant setting the "DRAM frequency" in BIOS to 800mhz, which as u and kirayamato26 said mean ddr2 running at 1066mhz


Quote:
Try the steps i proveded couple posts back, and we'll see what happens.
Do you have Everest 5.0 or SpeedFan installed? What is the vCore readout in these monitoring programs currently, and what FSB and MULTI are you at now?
i am doing now 12.5 x 266.6
my VID is 1.2125V
i set my vcore in the bios to +100 mV (i.e. 1.3125V)

currently, vcore according to cpuz = 1.296 V and according to speedfan = 1.30V
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