Help!

[jvinluan]

okay, please help me with my overclocked cpu. i oc it to 3.300 mhz. my bus speed is 220 and my multiplier is x 15.0 and underclock my ht link to1980 mhz. Now my problem is i dont know what is the best dram frequency for me. the auto setting keep it to 533 mhz but my ocz memory module is rated to ddr3 1333 and can overclock up to 1600. and the only option on the fsb dram ratio is 1:2,1:3,1:4,1:5. I really need your help pls!

here are my specs:
athlon II x3 440
msi 760gm-p33
2gb ddr3 1333 ocz 9-9-9

 

[jvinluan]

BTW, that's my stable OC and my core voltage is 1.432. my cpu temp is 68 C on prime blend.

 

[lowjack989]

Your temps are unacceptable.....my DRAM ratio is 1:4

 

[lowjack989]

If you start with the RAM at 1066 then raising the FSB would also directly raise the DRAM frequency

 

[jvinluan]

so, do i need to follow the 1:1 fsb dram ratio?

 

[lowjack989]

FSB->DRAM ratio of 1:4 is like this 200:800...I run my bclk @200MHz...my RAM is at 1600MHz which you divide by 2 which is 800...that gives you a 1:4 ....fsb/dram ratio

 

[jvinluan]

which is better, 1:2 ratio or the 1:4? BTW, thanks for the help

 

[lowjack989]

Really if your running at say 400MHz BCLK with 1600 MHz DRAM that would be 1:2 your multi would have to be really low to keep CPU clock speeds in check...a x10 multi @400 BCLK is 4.0GHz for example...to answer your question 1:2 as opposed to 1:4 in this instance would result in the same performance.

 

[lowjack989]

If you were running at 1:4 with a BCLK of 220 your RAM would be at 1660MHz..so your Ratio is higher as your RAM can't accomplish a true 1:4 ratio without lowering your BCLK ...IMO 1333MHz is the best speed to run your RAM but as you have raised the BCLK you will need to underclock the RAM for your OC...Unless you stick with the minor OC of 220MHz and you set it at 1333MHz and your mem modules are stable enough you could OC the RAM a bit@220MHz the RAM would be at like 1599MHz...you would have to have luck on your side for your 1333 RAM to get to 1600 stable...So knock it back to 1066MHz then set your FSB to 230 so your OC would read 3.45 GHz CPU 1385 GHz RAM

 

[lowjack989]

BTW...your temps are not good at all

 

[lowjack989]

If you have recieved all the info you require for the thread...Please choose a best answer so the thread can be closed...

 

[jvinluan]

Best answer selected by jvinluan.