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buying a new CPU (Need some help with FSB)

post #1 of 6
Thread Starter 
Ok, so I'm planning on buying a E8400 CPU and i'm not very knowledgeable in the FSB between my RAM and CPU. My mobo supports a FSB 1333/1066/800MHz

Currently the stock settings of my RAM are:


The stock settings of the processor I have currently installed is:


The processor I want to install would be: 1333MHz FSB, Im guess that would be 333.25MHz CPU Bus Speed = Rated FSB 1333.0+ MHz

Are the bus speed settings of my RAM perfectly fine or would it require any tweaking for the new processor?
From what I've heard the RAM needs to be faster then the processor to prevent a bottleneck. With the stock settings of my RAM FSB I don't see any need to speed it up for the new processor.
Also is there anything else that i should know about with the FSB, perhaps other devices on my computer and how they would be affected?
I do not plan to do any overclocking of the new processor, I would just like for it to reach the 1333MHz FSB.

I'm hoping i'm good to go and can just install the new processor and everything be fine after that.

System Specs at this moment:

HP Pavilion a6433w Desktop PC
IPIBL-LB (Benicia) motherboard
Pentium E2180 processor
GeForce GTS 250 (1GB) graphics
CX500 Corsair power supply
Memory: 3GB's

Extra info on memory:

Dual channel memory architecture
Four 240-pin DDR2 DIMM sockets
Supported DIMM types:
PC2-5300 (667 MHz)
PC2-6400 (800 MHz)
Non-ECC memory only, unbuffered
Supports 2GB DDR2 DIMMs
Supports up to 8 GB on 64 bit PCs
Supports up to 4 GB* on 32 bit PCs
Please let me know if there is any other info that you should need.
Edited by Nevintsha - 8/22/11 at 3:59pm
post #2 of 6
As long as your mobo supports 333FSB/E8400 you'll be fine. On Auto the bios will select a different FSBRAM ratio and run one of the SPD profiles for the memory. You should be able to switch the CPU and not need to worry about anything.

Edit, Thats FSB : DRAM
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Water cooled w/ T-Balancer BigNG Win 7 x64 Asus PB298Q Cherry 4100L 
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post #3 of 6
If the motherboard supports the cpu, there shouldn't be a problem. Instead of the ram running at 800mhz as it is in the screen shots you posted, it will be running 666mhz.
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post #4 of 6
Thread Starter 
Quote:
Originally Posted by Darren9 View Post
As long as your mobo supports 333FSB/E8400 you'll be fine. On Auto the bios will select a different FSBRAM ratio and run one of the SPD profiles for the memory. You should be able to switch the CPU and not need to worry about anything.

Edit, Thats FSB : DRAM
I guess It can. FSB support types are 800/1066/1333 MHz

333Mhz FSB RAM x4 would be 1332MHz so I guess it cant be exactly on the 1333Mhz. Sounds good?

Also replacing the CPU would I have to uninstall any drivers like that of a GPU and is there anything I should do in the BIOS for the new CPU or can I just pop the thing in apply the paste and place the heat sink back on and boom its good to go?

PS: Omg I love the your Avatar (Taking!) :3
Edited by Nevintsha - 8/22/11 at 4:23pm
post #5 of 6
Thread Starter 
Quote:
Originally Posted by Mikecdm View Post
If the motherboard supports the cpu, there shouldn't be a problem. Instead of the ram running at 800mhz as it is in the screen shots you posted, it will be running 666mhz.
666Mhz.... Sounds like a downgrade of the speed of RAM.
And yes my motherboard supports:

Intel Core 2 Quad (Y) Q9xxxx
Intel Core 2 Duo (W) E8xxx
Intel Core 2 Quad (K) up to Q6600
Core 2 Duo E6x00 (C) up to E6700
Core 2 Duo E4x00 (C) up to E4400

Edit: Woops I mis-read what you were trying to say! Mistaked the 666MHz for the true speed
Edited by Nevintsha - 8/22/11 at 4:28pm
post #6 of 6
Thread Starter 
Edit: Woops I mis-read what you were trying to say! Mistaked the 666MHz for the true speed

Sorry for double post, I don't see a option to remove this (Althought the "Edit" button says "Edit/Delete" on it)
Edited by Nevintsha - 8/22/11 at 4:30pm
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