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Can I OC the memory before the processor? - Page 2

post #11 of 20
Thread Starter 
Yeah I got you now, how much should I raise the fsb to?

also.. I didn't mean that I won't be interested in a cpu overclock in like a few days I'm just waiting on my fans to come in the mail so that I can install my TRUE. using stock right now, I know sad
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post #12 of 20
just remember the front side bus not only changes CPU core clock but it also changes RAM clock they are linked
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post #13 of 20
Quote:
just remember the front side bus not only changes CPU core clock but it also changes RAM clock they are linked
Thats why its important to change your RAM divider in your BIOS.

@ dyslexik -
Quote:
how much should I raise the fsb to?
Well it depends on what options your mobo has for your RAM.. You might be able to run:
300mhz FSB, 8x cpu multi/800mhz RAM
342mhz FSB, 7x cpu multi/???mhz RAM
400mhz FSB, 6x cpu multi/800mhz RAM

You will probably need to raise your NBv on the last two settings [1.4-1.55v].. maybe even a touch higher for the last setting.
post #14 of 20
Thread Starter 
Quote:
Originally Posted by CL3P20 View Post
Thats why its important to change your RAM divider in your BIOS.

@ dyslexik - Well it depends on what options your mobo has for your RAM.. You might be able to run:
300mhz FSB, 8x cpu multi/800mhz RAM
342mhz FSB, 7x cpu multi/???mhz RAM
400mhz FSB, 6x cpu multi/800mhz RAM

You will probably need to raise your NBv on the last two settings [1.4-1.55v].. maybe even a touch higher for the last setting.
Ok, so ill try the first one and see what happens


I changed the timings to 4-4-4-4-12 (is that the divider?)

sorry.. I've never oced before
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post #15 of 20
Thread Starter 
I went into the memory settings and it just lets me change the multiplier for the ram between (2.5 to 4.0+)

also, I have my cpu multi already set at 9, so I need to lower it to try the different settings?

It doesn't let me change the physical fsb unless I'm not looking in the right place
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post #16 of 20
Think of RAM as a traffic intersection. The timings for the RAM are like the stoplights that control the data [erm' traffic] flow. The speed of the RAM is how fast the cars move on the road, through the intersection. The amount of RAM is like the number of lanes in each direction.

..that said, you just added a bit of mbs to your system by 'tightening' the "flow of traffic".

RAM dividers are the different selections of RAM speeds in your BIOS. Changing them, changes the FSB/RAM ratio.

*I am not that familiar with Gigabyte BIOS..pics maybe?
post #17 of 20
Thread Starter 
looks like this

http://img45.imageshack.us/img45/663/p1010002gd5.jpg

this isnt my bios, i got it off google images
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post #18 of 20
Well ... its in the pic you linked

CPU Host Freq-
System memory Multiplier-

those are where you need to make your adjustments for now..
post #19 of 20
Thread Starter 
yeah i know, i opened the menu to change it and it lets me go from 2.5 to 4.0+ and 4.0+ is the highest
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post #20 of 20
So setting a RAM speed of 800mhz and a memory multi of 2.0, your FSB should be at 400mhz.. or a 1:1 ratio

400mhz FSB [1600mts effective] / 400mhz base ddr clock [800mhz RAM]
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