Unlinked FSB:RAM ratio on the DS3?

What do you mean by Ratio? You can change the Memory multiplier if that what you mean. Rambo and I have the same MOBO.
 
there is always a FSB:RAM speed ratio
rambo knows what im talking about, but you have to know what that means if you OC
 
No, the RAM speed and FSB are linked. If you change your FSB your RAM speed will change too so you have to adjust your memory multiplier manually to get the right speed.
 
I thought that might be the case, because when I was looking at the 680i I saw that it has unlinked memory as an option, which was great because I can overclock all I want and know that memory wasnt the bottleneck/issue.
 
[-0MEGA-];580586 said:
I thought that might be the case, because when I was looking at the 680i I saw that it has unlinked memory as an option, which was great because I can overclock all I want and know that memory wasnt the bottleneck/issue.
Click to expand...

Even though you probably won't get as good performance as if you used standard multipliers...
 
wait, where do the multipliers come in?

there is an unlinked option for RAM to bus speed on the 680i which means changing the bus speed doesnt affect the ram speed. i was wondering if the DS3 has this option, and still no one can tell me...?


and what is with the memory multiplier thing? i have only heard of the Bus speed to RAM speed ratio?
 
I already did, there isn't one that I know of on the DS3. The multipliers are how you adjust the speed your RAM runs at. At stock speeds, the multiplier for DDR2-667 is 2.5. I don't have my manual handy, but in the MIT section you'll find the multipler, it's right above the timings iirc (it might be called DRAM frequency or something like that)
 
yeah, so my question was do the intel chipsets only use multipliers on the RAM speeds?

i have dealt with an nforce 5 and 6 mobo, each which uses ratios
 
Jet said:
Even though you probably won't get as good performance as if you used standard multipliers...
Click to expand...

You're right, when I ran the SiSoft memory benchmark, its much better performance wise running a low divider (1:1, 2:3, 3:4, etc), then it is when you have unlinked, because then it runs at a divider of around 14:16 when its at a certain speed).
 
It's more or less the same thing. The memory multiplier on the DS3 is multiplied by the FSB speed and you get the RAM DDR speed, the ratio then takes care of itself.
 
ok so please answer my question:
the intel chipsets use the multiplier, the nvidia chipsets use the ratio

please tell me if this is correct
 
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