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post #11 of 76
Thread Starter 
ok , so far this is what I got. Fsb is the speed in which the the processor sends data to anything in the system(ram,graphics card)... Correct?

Cache is built in memory,like ram, which is how much it can process at one time. correct?

What is the ghz speed referring to for the processor?

What does ram do if the processor has it built in? what does the ram speed(pc6400) refer to?
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post #12 of 76
Quote:
Originally Posted by brherper View Post
ok , so far this is what I got. Fsb is the speed in which the the processor sends data to anything in the system(ram,graphics card)... Correct?

Cache is built in memory,like ram, which is how much it can process at one time. correct?

What is the ghz speed referring to for the processor?

What does ram do if the processor has it built in? what does the ram speed(pc6400) refer to?
Yeah, the speed at which everything communicates.

Yeah

GHZ = gigahertz
Hertz = is the SI unit of frequency. It is cycles per second. think of waves.

Megahertz is like 1000 Hertz, Gigahertz is like 1,000,000 hertz. I think that is right, but the point is it is just a way of making a big number easier to say and write.

Built in ram *cache* is much faster than normal ram, and centrally located. Imagine if you had to leave you cubicle to get every form you have to fill out at work. What if those forms were already at your desk?

And PC6400 is just another way of saying the speed of the ram... i don't evne know who came up with it, and i think it is stupid. Probably invented because big numbers are more attractive to nubs
post #13 of 76
Thread Starter 
ok, everything has been answered except...

What does the ram speed refer to? how fast it stores the info? Is it the same as a 7200rpm hardrive?
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post #14 of 76
Thread Starter 
"And PC6400 is just another way of saying the speed of the ram... i don't evne know who came up with it, and i think it is stupid. Probably invented because big numbers are more attractive to nubs "


so theres no difference in pc5400 and pc6400?
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post #15 of 76
Quote:
Originally Posted by brherper View Post
ok , so far this is what I got. Fsb is the speed in which the the processor sends data to anything in the system(ram,graphics card)... Correct?

Cache is built in memory,like ram, which is how much it can process at one time. correct?

What is the ghz speed referring to for the processor?

What does ram do if the processor has it built in? what does the ram speed(pc6400) refer to?
GHz is the frequency that the CPU is operating at

The 6400 refers to the bandwidth that the RAM is rated at.

Here is a link to some basic RAM info.

Here is one that addresses Timings.
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post #16 of 76
Quote:
Originally Posted by brherper View Post
ok, everything has been answered except...

What does the ram speed refer to? how fast it stores the info? Is it the same as a 7200rpm hardrive?
Ram speed is measured in Hertz also, the same way the other frequencies are measured.
Like i said earlier, think waves, http://upload.wikimedia.org/wikipedi...Wavelength.svg

Cycles per second.

Quote:
Originally Posted by brherper View Post
"And PC6400 is just another way of saying the speed of the ram... i don't evne know who came up with it, and i think it is stupid. Probably invented because big numbers are more attractive to nubs "


so theres no difference in pc5400 and pc6400?
It's just another way to say the same thing. Like inches and centimeters. Like i said, not sure who came up with it or why, frankly it i believe it to be dumb and confusing.
post #17 of 76
Thread Starter 
im not seeing the connection... how is 667mhz and 800mhz compared like inches and centimeters? there both mhz, neither is smaller an dthey dont equal each other.?.?.?
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post #18 of 76
system ram is for your applications for store info for faster access since hard drives are REALLY slow compared to how fast a CPU can process. The L1 & L2 cache is the same way but holds information on how to execute the programs. So if a command is already in the cache...then it dont need to be loaded from the system ram...in terms of speed of access... slowest is your Hard drive then System RAM, then Level 2 Cache on the cpu and the fastest is the L1 cache.

If ram says PC6400 just divide the 6400 by 8 and thats the operating frequency its running at which 6400 would be DDR2 @ 800 mhz effectively
 
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post #19 of 76
Quote:
Originally Posted by brherper View Post
im not seeing the connection... how is 667mhz and 800mhz compared like inches and centimeters? there both mhz, neither is smaller an dthey dont equal each other.?.?.?
Nooo the inches to centimeters reference was meant for your question about RAM.
About how they are listed at PC6400 and 800MHz at the same time.

I was saying they are two ways to measure the same thing, the same way inches and centimeters measure the same thing.
post #20 of 76
they get those numbers due to the fact each byte is made of a bit so if you multiply the frequecny by 8 you get the max theoretical bandwidth it can provide to the system. so PC6400 gives you 6.4 GBs in singal channel so dual channel gives you 12.8gbps bandwidth...
 
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