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G.skill DDR2-1000 cant run at rated speeds? - Page 3

post #21 of 36
Quote:
Originally Posted by 0rion View Post
Yeah, I know how to flash/what is best to flahs it with. I had to RMa a board because I flashed over an overclock once, then had to do another rma because i used asusflash to try to revert to an older bios. Ive learned my lesson... Put it back to stock settings, and flash with the bios.

Demonbane, what is your tRFC on your abit?
Just putting this out there, my 2x2gb red tracers weren't doing 1066 until I changed the tRFC to 55.

Theres honestly NO bandwidth impact at all
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post #22 of 36
tRFC does have an impact on performance, though it is pretty small. It won't show up in most bandwidth tests, but you may see a small hit to latency, and latency sensitive programs/benchmarks.

Only area I really see a difference is in WinRAR.
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post #23 of 36
Quote:
Originally Posted by -n7-
...run timings @ SPD/auto (as that will set tRFC looser, usually to 52)
^^^
If the newer bioses don't have a looser tRFC (or even if they do), please try what i mentioned earlier.

My old P5B Deluxe had a tRFC max of 42, which meant my G.Skill PQ 4 GB kit crapped out around DDR2-850, & my Mushkin couldn't hit more than DDR2-975.
Then i run RAM timings @ SPD/auto, which set tRFC to 52, & suddently i was doing DDR2-1000+ easy for both kits.
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post #24 of 36
Thread Starter 
Wow guys, thanks SO much. I flashed the new bios, 812, and it auto detected the tRFC at 52. The system booted fine running ddr2-1002 first shot. BIG thanks to -n7-, ghostleader, and demonbane. That tRFC info really helped me a LOT
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post #25 of 36
I have your exact same board/RAM, I just popped it in and set the freq and voltage and it flew...no idea what problems you're having.

~Gooda~
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post #26 of 36
Thread Starter 
Quote:
Originally Posted by Havegooda View Post
I have your exact same board/RAM, I just popped it in and set the freq and voltage and it flew...no idea what problems you're having.

~Gooda~
What bios did you have though? I had the 404 bios, and the tRFC values above 42 only got introduced in the 0603 bios. Or some 600 level bios anyways.
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post #27 of 36
Good stuff man.

This is what makes OCN so awesome!
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post #28 of 36
First of all, the DDR2 1000 are simply DDR2 800's factory overclocked by GSkill, and if they're not stable at DDR2 1000, you can RMA them.
You should probably be able to push them to DDR2 1066...
    
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post #29 of 36
Thread Starter 
Quote:
Originally Posted by xHassassin View Post
First of all, the DDR2 1000 are simply DDR2 800's factory overclocked by GSkill, and if they're not stable at DDR2 1000, you can RMA them.
You should probably be able to push them to DDR2 1066...
Yep, I understood that when I got them. However, If they start to fail, I want to be able to RMA them when they can no longer do 1000mhz 5-5-5-15. Almost any ram will do 800mhz @ 5-5-5-15. Plus this way, it has to at least get to 1000mhz if not more. DDR2-800 is still considered fine if it only reaches 801mhz. I like having the guarantee of 1000mhz. I would have gone for 1066, but I couldnt justify 66mhz for $70
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post #30 of 36

The 1066 PQs can be overclocked further though, except they're just ridiculously expensive.

I was going to go for the 1000's too, but decided against it since my rig won't be up and running until Q4.
    
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