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Noob RAM Question - 1:1 or linked/synched?

post #1 of 11
Thread Starter 
right now i have 2gb of 800mhz ram. my fsb is at 400.

what is the difference between a) running my ram linked and synched (which it is right now) and b) selecting a 1:1 ratio?

won't both methods do the same thing (run my ram @ 800 mhz)?
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post #2 of 11
It's the same. Synced is running your FSB at the same speed as your RAM.
post #3 of 11
There'll be no difference when running at 400FSB as the RAM will still be operating under the same strap regardless of which of the two BIOS settings you choose.
post #4 of 11
currently, yes, i think both would be 800. If you had a 300 fsb then it woul run at 600 1:1 linked though. Then if it was unlinked it would be 800.
    
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post #5 of 11
Thread Starter 
Quote:
Originally Posted by rsfkevski View Post
It's the same
ok, thanks

Quote:
Originally Posted by rsfkevski View Post
Synced is running your FSB at the same speed as your RAM.
then what is the "linked" part?
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post #6 of 11
Thread Starter 
Quote:
Originally Posted by kingsnake2 View Post
If you had a 300 fsb then it woul run at 600 1:1 linked though. Then if it was unlinked it would be 800.
with a 300 fsb, why would unlinked result in 800mhz for ram?
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post #7 of 11
Same thing as far as I know unless on some boards linked/synced sets ratios for you.
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post #8 of 11
Linked means that your RAM speed runs in correlation to your RAM. Increaseing your CPU's FSB also increases your RAM's frequency. Sync means that your memory runs at the same speed as your CPU (1:1). Unlinked means that your RAM runs at whatever speed you manually set it. However, at certain frequencies RAM will run slightly lower in unlinked mode depending on what strap the FSB is running under.

Quote:
Originally Posted by murray8144
with a 300 fsb, why would unlinked result in 800mhz for ram?
When you unlink your RAM and don't enter in your own value for the RAM speed, it will always default to the DIMM's default rated speed.
post #9 of 11
FYI, oc'ing didn't go so well for me linked and synced. It was fine with my 680, but I needed to set it all manually with the 780i.
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post #10 of 11
Thread Starter 
Quote:
Originally Posted by poprhetor View Post
FYI, oc'ing didn't go so well for me linked and synced. It was fine with my 680, but I needed to set it all manually with the 780i.
im starting to think that this is why i'm rock solid stable at 400x9 and completely unstable at 411x9 and 422x9 (linked and synched).
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My System
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CPUMotherboardGraphicsRAM
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Caviar SE 16 250gb Lite-On LH-20A1L-06 Vista 64 22" LCD 
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