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Old 06-29-09   #1 (permalink)
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Default **Unlinked FSB bad idea?**

Hey everyone,

I apologize if it sounds a bit noobie of a question but I was wondering if running unlinked RAM and CPU FSBs are bad idea on NVIDIA boards, say like 780i. The reason I ask is because I've had Intel chipsets for most of my computer experience and never had to deal with unlinking the FSBs. However I will soon be acquiring an EVGA 780i board for SLI purposes and I wanted to transfer my current OC to it so I'm just looking for heads up information. Can anyone fill me in on a little more detail about it? Is there some kind of limit? How far apart from each other should they NOT be? Is there a voltage bump/lowering required for it?

Thanks in advance to everyone.

System: The Great Destroyer
CPU
Intel Core 2 Quad Q9550 (4.25 GHz)
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Gigabyte GA-EP45-UD3R (rev 1.1)
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Old 06-29-09   #2 (permalink)
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Anyone?

System: The Great Destroyer
CPU
Intel Core 2 Quad Q9550 (4.25 GHz)
Motherboard
Gigabyte GA-EP45-UD3R (rev 1.1)
Memory
G.Skill 4GB DDR2 800 MHz
Graphics Card
EVGA GeForce GTX295 Plus with Backplate
Hard Drive
Hitachi 500GB (RAID0)
Sound Card
Creative Audigy 2 ZS
Power Supply
Corsair TX750W
Case
Antec 900 (Red on Black Paint Mod)
CPU cooling
Enzotech Sapphire Waterblock
GPU cooling
HEATKILLER® GPU-X˛ GTX295
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Old 06-29-09   #3 (permalink)
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Bump.

System: The Great Destroyer
CPU
Intel Core 2 Quad Q9550 (4.25 GHz)
Motherboard
Gigabyte GA-EP45-UD3R (rev 1.1)
Memory
G.Skill 4GB DDR2 800 MHz
Graphics Card
EVGA GeForce GTX295 Plus with Backplate
Hard Drive
Hitachi 500GB (RAID0)
Sound Card
Creative Audigy 2 ZS
Power Supply
Corsair TX750W
Case
Antec 900 (Red on Black Paint Mod)
CPU cooling
Enzotech Sapphire Waterblock
GPU cooling
HEATKILLER® GPU-X˛ GTX295
OS
Microsoft Windows Vista Ultimate 64-bit SP2
Monitor
Hanns-G HG-281DPB 28-Inch
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Old 06-29-09   #4 (permalink)
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Their is nothing harmful about it. If that's what you're asking.
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Old 06-29-09   #5 (permalink)
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No it just means you can run the RAM at a speed not based on a FSB:RAM ratio. That can be beneficial for OC'ing. It is an option that OC'er's would like. Basically allows more fine tuning.

Now remember I am a notebook guy so not like I am a well of knowledge of this. But you want an answer and there it is. Having this option is a good thing, consider yourself lucky. You have an OC'ing MoBo.

Edit: Slow down on the bumps! You made me spill my beer.
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Old 06-29-09   #6 (permalink)
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Quote:
Originally Posted by lockdownx1x View Post
Their is nothing harmful about it. If that's what you're asking.
Not that it's harmful but whether if they are too far apart will that impact the stability?

System: The Great Destroyer
CPU
Intel Core 2 Quad Q9550 (4.25 GHz)
Motherboard
Gigabyte GA-EP45-UD3R (rev 1.1)
Memory
G.Skill 4GB DDR2 800 MHz
Graphics Card
EVGA GeForce GTX295 Plus with Backplate
Hard Drive
Hitachi 500GB (RAID0)
Sound Card
Creative Audigy 2 ZS
Power Supply
Corsair TX750W
Case
Antec 900 (Red on Black Paint Mod)
CPU cooling
Enzotech Sapphire Waterblock
GPU cooling
HEATKILLER® GPU-X˛ GTX295
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Hanns-G HG-281DPB 28-Inch
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Old 06-29-09   #7 (permalink)
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Quote:
Originally Posted by Asus Mobile View Post
No it just means you can run the RAM at a speed not based on a FSB:RAM ratio. That can be beneficial for OC'ing. It is an option that OC'er's would like. Basically allows more fine tuning.
Seems a little too good to be true for me. There's gotta be a catch somewhere. It just doesn't seem like a good idea that CPU and RAM are running at different FSB speeds.

System: The Great Destroyer
CPU
Intel Core 2 Quad Q9550 (4.25 GHz)
Motherboard
Gigabyte GA-EP45-UD3R (rev 1.1)
Memory
G.Skill 4GB DDR2 800 MHz
Graphics Card
EVGA GeForce GTX295 Plus with Backplate
Hard Drive
Hitachi 500GB (RAID0)
Sound Card
Creative Audigy 2 ZS
Power Supply
Corsair TX750W
Case
Antec 900 (Red on Black Paint Mod)
CPU cooling
Enzotech Sapphire Waterblock
GPU cooling
HEATKILLER® GPU-X˛ GTX295
OS
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Monitor
Hanns-G HG-281DPB 28-Inch
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Old 06-29-09   #8 (permalink)
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No. There is no problem running unlinked. You can run it as slow or as fast as you want.
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Old 06-29-09   #9 (permalink)
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i thought it just ran the RAM at a divider. like running the ram at 2:3 on an intel board
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Old 06-29-09   #10 (permalink)
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Quote:
Originally Posted by T3h_Ch33z_Muncha View Post
i thought it just ran the RAM at a divider. like running the ram at 2:3 on an intel board
That's if you're running them linked. Then yes, a divider(SPD) comes into play.

System: The Great Destroyer
CPU
Intel Core 2 Quad Q9550 (4.25 GHz)
Motherboard
Gigabyte GA-EP45-UD3R (rev 1.1)
Memory
G.Skill 4GB DDR2 800 MHz
Graphics Card
EVGA GeForce GTX295 Plus with Backplate
Hard Drive
Hitachi 500GB (RAID0)
Sound Card
Creative Audigy 2 ZS
Power Supply
Corsair TX750W
Case
Antec 900 (Red on Black Paint Mod)
CPU cooling
Enzotech Sapphire Waterblock
GPU cooling
HEATKILLER® GPU-X˛ GTX295
OS
Microsoft Windows Vista Ultimate 64-bit SP2
Monitor
Hanns-G HG-281DPB 28-Inch
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