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Official [SMT] DFI Lanparty DK 790FX-M2RS + AMD Phenom 9850 BE Thread - Page 2

post #11 of 123
no, with amd its both the fsb and ht frequency that determine the overall ram speed. for example mine is set to run at ddr2 667 and with my fsb at 342 it ends up being 1010.

your ram multiplier may look like 1,2,3,4,5 or 800,667,533,400
post #12 of 123
Thread Starter 
I messed with the HT Frequency/ Multiplier, and here are the results.

No change in RAM Freq.
Lowering HT multi lowers HT frequency . . .
Raising HT multiplier over x10 does not increase frequency over auto, which is default at 10.
post #13 of 123
I am a total noob but which number are you referring to when you say 912Mhz? Because 1066 stock clock speed is 266 MHz the I/O Bus is 533Mhz.
Edited by Col. Newman - 6/9/08 at 6:57pm
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post #14 of 123
Thread Starter 
I'm a total noob as well. Everything I know about OCing I learned here.

What I mean is in CPUZ, it says my DRAM Frequency is 456 MHz.

Memory seems to be the most complicated part of overclocking.

I haven't figured out how to get my clock higher than 236 or so even at x10 CPU. Was the same with the ASUS with the 780g I RMAed. I know I'm probably doing something wrong, other ppl seem to be able to get it higher.
Edited by OpticWaves - 6/9/08 at 9:51pm
post #15 of 123
Quote:
Originally Posted by OpticWaves View Post
I'm a total noob as well. Everything I know about OCing I learned here.

What I mean is in CPUZ, it says my DRAM Frequency is 456 MHz.

Memory seems to be the most complicated part of overclocking.

I haven't figured out how to get my clock higher than 236 or so even at x10 CPU. Was the same with the ASUS with the 780g I RMAed. I know I'm probably doing something wrong, other ppl seem to be able to get it higher.

Many people don't get much higher than 240MHz with Phenoms, that's why they crank up the multipliers instead. System "fsb" and memory bandwidth matter little when overclocking AMD systems, so concentrate on getting the most speed out of the CPU that you can. Sure, a +300MHz system clock looks nice, but aside from specific synthetic benchmarks, it won't show that much of a performance boost.
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post #16 of 123
Thread Starter 
That's good to know.

I do actually use a TON of CPU and memory, especially in audio, and running multi clients gaming. So I want the most performance I can get, but I don't want to drive myself nuts trying to acheive numbers that don't really have any effect aside from a bigger e-peen.

This raises another question. I wonder how many people here overclock because they use the performance, or just do it because its fun and a challenge?

Honestly for me it was driven by need for performance, but has turned into a monster/hobby of it's own. I think alot of the members here are the type of people that are always teaching themselves something.
post #17 of 123
just a quick reminder for our amd fans here, since A64 DDR days, memory bandwidth doesn't matter/nor plays a big part in our platform =] CPU is the king.
and as for the 456mem freq. that's 912mem speed right there, remember youre in dual channel mode..so 456 x2=912 is ur total memspeed. i may not have an updated rig since im still stuck with my ddr1 amd rig, but the concept is still the same. =] and as for HTT is not so important too, so long as your HTT link speed is in the phenom range(above 2200) youre fine. so let say you set ur HTT link to 3x, ur cpu fsb X ht multipler=final HTT link speed.
Edited by elito - 6/10/08 at 7:25pm
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post #18 of 123
Hey, this might be a bit off-topic as well as pretty stupid...somewhat...but does anyone know if the DFI Lanparty DK 790FX-M2RS supports SLI? I've been looking at it on newegg.com and the specs contain information about Crossfire configs but nothing related to SLI.....
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post #19 of 123
Quote:
Originally Posted by StillmaticX View Post
Hey, this might be a bit off-topic as well as pretty stupid...somewhat...but does anyone know if the DFI Lanparty DK 790FX-M2RS supports SLI? I've been looking at it on newegg.com and the specs contain information about Crossfire configs but nothing related to SLI.....
No, it doesn't support SLI.... the 790FX chipset is AMD, and therefore supports Crossfire only.
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post #20 of 123
Quote:
Originally Posted by winginit View Post
No, it doesn't support SLI.... the 790FX chipset is AMD, and therefore supports Crossfire only.
Yeah, that's what I thought. Is there another board, very similar to this one that does support SLI...preferably DFI?
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