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First post! New 1100T build; RAM clock too low?

post #1 of 5
Thread Starter 
Hello all! I found this website a few days ago, snooped around and finally made my account. There seems to be quite a ton of useful information around here, hopefully it will help me get the most out of my PC!

Anyway, onto my issue.

I installed 2 x 4GB 1600MHz Corsair Vengeance into my Sabertooth 990FX board. The UEFI bios is reporting the memory clock to be 1236MHz. The bios is set to completely stock settings, I even reset to default in the bios as a double-check.



There's a picture of the bios screen!

http://www.newegg.com/Product/Produc...82E16820233147

and this is the memory I've got.


I'm not new to PC's but I've only built one so far! I'm a fast learner (just learned what NB ans SB are yesterday) but I'm hoping I can pick this up and run with it, if you know what I'm saying. Shouldn't the bios be able to tell what speed the memory is and run it at that accordingly? I don't know...

Also, I'm kind of hoping this thread is in the right forum
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post #2 of 5
Set the SYSTEM PERFORANCE to normal then go in to ADVANCE MODE and set everything manual.
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post #3 of 5
Thread Starter 
I tried setting the memory to a 1600MHz clock just now and the pc acted up for about 5 min and then gave me a vcore overvoltage warning so I powered it back down and set the settings back to default.

Bigger noob here than I thought I was. lol
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post #4 of 5
its because your overclocking with the FSB... when u set ur ram to 1600 it was MUCH higher... to high for the ram so it gave you a warning
If my math is correct when you set your ram at 1600mhz it was actually at 1872mhz... too high for the ram without some voltage adjustments... thats why it acted up for a few minutes
Edited by kill - 7/17/11 at 7:02pm
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post #5 of 5
Doesn't the sabertooth have an auto overclock button? Do you have that enabled? If so it might have the ram clocked down to achieve the stable overclock. You might want to adjust your overclock with the unlocked multiplier rather than the FSB so you achieve at least something close to 1600mhz. Make sure you set your FSB down when you mess with the multiplier. Just curious do you have aftermarket heatsink?
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Overclock.net › Forums › Components › Memory › First post! New 1100T build; RAM clock too low?