Originally Posted by reggie_da_man
**Remeber the ram speed and cpu speed are linked together. So let's say your cpu fsb runs at 200 mhz then your ram will run at 200mhz. When you raise the cpu fsb by let's say 5 to 205 then the ram speed will go up to 205.**
Hope that helped
actually no, and certainly not if he has it set at a ratio other than 1:1, which would be a pretty odd (and uneccesary) thing to do on an am2 system. the cpu and ram are semi-connected (ie the ram speed will increase as the ext clock increases), but the ratio (divider) can be adjusted individualy.
ram frequency on the evga 590 (and all other am2 boards as far as i know) is dependent upon the speed (ddr2 400/533/667/800) he has selected, and also the cpu multiplier.
if your cpu is running at a cpu/5 ratio (ddr2 800) @ 2375mhz, your ram will be running at 475mhz, your cpu multiplier will be 9.5, and your external cpu clock (fsb if you will) is 250mhz. if you increase your ext clock to 275mhz, that will raise your cpu clock to 2612mhz, and your ram will then be running at 522mhz. 2612/5, get it? in no way is it as easy as "your cpu speed goes up 5mhz, so does your ram", unless you are running a 1:1 ratio. which is dumb if you have an am2 system and ddr2 800 ram, because you aint gonna get your cpu's external clock to 400mhz, therefore you will never realize your ram's full potential at 1:1.
1)cpu-z is correct, the 590sli reads the multi wrong.
2)i wouldn't trust any temp program/utility, only the bios. there are none that i know of that read a brisbane's temp correctly (at least a 3600, anyway...but i assume any brisbane chip)
3) yes, drop the ram speed. thats not the max for your cpu and that motherboard.
4)no, absolutely not. ram "speed" or frequency really has nothing to do with timings (well, it does kinda, but i aint typin that much more...lets just say it doesnt really...only if you loosen your timings you can get a higher frequency..thats about as far as it goes).
working....i gotta re-boot..momento please....
okay im back.
in your bios go to:
advanced chipset features> enter
memory configuration > enter
memory timings > enter
timing mode > change from auto to user limit
memory clock limit > change from ddr2 400 ( ddr2 400 will be there from the auto setting it really isnt running at that speed, its running at ddr2 800 stock) to ddr2 533 or 667.
leave the main timings (the five numbers directly below memory clock limit) set at 5-5-5-18 2T for the time being.
changing the speed down to 667/533 will give you more overclock, fo sho fo sho.
you also need to lower the ht multipliers (the evga 590 sli has 3 settings, in the system clocks section of bios) down from auto (or 5)
to 3. make sure you change all 3.