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post #301 of 349
XTC for looks all the way. I'm ghetto and use a well mounted 80mm fan. Keeps the ram only warmto the touch.
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post #302 of 349
Anybody use see a review for the XTC cooler, how quiet is it. Probally will get one for my birthday in the next couple of weeks.



Edit:
I found one.
http://www.driverheaven.net/showthread.php?t=125166
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post #303 of 349
Wiii, I finally received my OCZ XTC Cooler! To bad my memory died 2 days ago. Should receive the new sticks tomorrow.

I'll keep you guys posted.
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post #304 of 349
Could you do me a favor and ley me know how loud / effective it is?


How did you memory die, OC too much?
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post #305 of 349
Good luck guys... my MoBo finally died... too much priming.
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post #306 of 349
Quote:
Originally Posted by Carni4 View Post
Wiii, I finally received my OCZ XTC Cooler! To bad my memory died 2 days ago. Should receive the new sticks tomorrow.

I'll keep you guys posted.
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post #307 of 349
Quote:
Originally Posted by The_Manual View Post
First QDR stands for Quad Dual Rate (Intel Quad Bus Design)

To calculate the Transfers per Second (MT/s) you are required to multiply you're system bus speed by the Number of Transfers per Clock Cycle.

My bus speed = 356MHz.

Intel Core 2 Duo Micro-Processors are capable of 4 Transfers per clock (following design, and will almost always accomplish this value).

Therefore 356 x 4 = ~1425MHz QDR (What you would call FSB speed).

The "FSB Speed" is the Number of Million Transfers a second within a Computer Micro-Processor.

The reason why you are to multiply this value by the Integer eight is to get the value for Million Transfers a second into the term "bytes (Megabytes in this case)

@ CWell1337. Testing Memory within 3D applications is illogical. System Memory is not dramatically "paged" for bandwidth within three dimensional objects, and systematic rendering. If you wish to ascertain what I have stated I suggest you get your computer working on a task that requires extreme data transfers. For this I suggest you have a look at some Computation Algorithms.
If you want to play games you can leave memory out of the equation (to a degree) as it does not influence the system as much as the GPU and CPU (and equivalent components). Changing the Memory Config will cause slight changes in Frame Rates, but small in comparison to other changes you could make.
Wait a second, you are testing an AMD processor vs. an Intel processor? Well that really changes the meaning of "a fair test" in the Memory Departement
I believe your calculation of the FSB bandwidth is incorrect.

In order to calculate FSB bandwidth you multiply bus frequncy (266.66) times the transfers per clock as you said (4) and the FSB width (32bit or 4 byte).

Therefore, a system with a 266.66Mhz FSB (stock Core 2 Duo) has a FSB bandwidth of:

266.66 x 4 x 4 = 4266.66MB/s

Your memory has a 64bit (8 byte) width and a capability of 2 transfers per clock (DDR).

Therefore, to flood the FSB bandwidth you get:

4266.66MB/s = X Mhz * 2 * 8
4266.66MB/s = X Mhz * 16
266.66Mhz = X

Therefore a memory bus speed of 266.66Mhz or DDR2-533 will flood the FSB bandwidth.

Math does not lie.
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post #308 of 349
Quote:
I believe your calculation of the FSB bandwidth is incorrect.

In order to calculate FSB bandwidth you multiply bus frequncy (266.66) times the transfers per clock as you said (4) and the FSB width (32bit or 4 byte).

Therefore, a system with a 266.66Mhz FSB (stock Core 2 Duo) has a FSB bandwidth of:

266.66 x 4 x 4 = 4266.66MB/s

Your memory has a 64bit (8 byte) width and a capability of 2 transfers per clock (DDR).

Therefore, to flood the FSB bandwidth you get:

4266.66MB/s = X Mhz * 2 * 8
4266.66MB/s = X Mhz * 16
266.66Mhz = X

Therefore a memory bus speed of 266.66Mhz or DDR2-533 will flood the FSB bandwidth.

Math does not lie.
I am totally correct actually and yes Mathematics do not lie:

Evidence (Pictures, had to split them up into two parts).





Ok, so that states that a Pentium 4 at 800Mhz QDR = a 6400MB/s bandwidth, correct?
Throws all you're calculations out of the window
I always have advanced technical documentation for queries like this, and refer to them if necessary. Part of the job of an engineer, not an enthusiast

Right, so 6400MB/s for 800MHz

Lets re-do 1066MHz.

1066MHz QDR - Transfers per clock is Four. Therefore 266MHz x 4 = 1066Mhz DQR.
To generate the bus speed you must multiply this value by eight. Therefore: 8528MB/s.

I am very tired, but can continue if you really want.
post #309 of 349
Quote:
Originally Posted by The_Manual View Post
I am totally correct actually and yes Mathematics do not lie:

Evidence (Pictures, had to split them up into two parts).

Ok, so that states that a Pentium 4 at 800Mhz QDR = a 6400MB/s bandwidth, correct?
Throws all you're calculations out of the window
I always have advanced technical documentation for queries like this, and refer to them if necessary. Part of the job of an engineer, not an enthusiast

Right, so 6400MB/s for 800MHz

Lets re-do 1066MHz.

1066MHz QDR - Transfers per clock is Four. Therefore 266MHz x 4 = 1066Mhz DQR.
To generate the bus speed you must multiply this value by eight. Therefore: 8528MB/s.

I am very tired, but can continue if you really want.
I never disagreed with the bus speed or the transfers per clock. What I do disagree with is the FSB width.

Sure, Core 2 Duo supports 64bit (8 byte). However, don't they all run at 32 bit (4 byte)?

So when you multiply the "DQR" by 8 you are wrong. Because you are assuming a 64 bit (8 byte).

Please don't take any negative personal feeling from this. I am just trying to debate and understand from one intelligent person to another.
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post #310 of 349
Quote:
I never disagreed with the bus speed or the transfers per clock. What I do disagree with is the FSB width.

Sure, Core 2 Duo supports 64bit (8 byte). However, don't they all run at 32 bit (4 byte)?

So when you multiply the "DQR" by 8 you are wrong. Because you are assuming a 64 bit (8 byte).

Please don't take any negative personal feeling from this. I am just trying to debate and understand from one intelligent
Processors based on the Intel Pentium 4 and AMD XP design all contain a 64 bit Bus Width, as the screenshot shows, as do all the later processors. Many processors before these also ran on the 64 bit Bus Width system. You will need to go far back to hit the 32 bit Bus Width processors
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