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Ok, a few newbie questions about RAM timings/Latency

post #1 of 13
Thread Starter 
Ok, so I know that most RAM works best with AMD at a 1:1 ratio, so if I overclock to say... 250 X 10 on my 3200 Venice then it would be best to try and push my PC3200 RAM to match the FSB, right?

Anyway, I am confused mostly about timings and latency. I don't much understand how they work other than the obvious fact that the lower the timings (the less clock cycles between processing), the better. I'm just now clear on which timings are which (CAS, RAS, Whatever) are what and how they work. The guides I read were kind of confusing, and even one that had an analogy to make it easier to understand didn't quite get it through to me except the knowledge I just told you I know, since it didn't state what part of the analogy referred to what tech term.

Also, what does TCCD stand for? I'm guessing it's those 4 main latency numbers, such as 2 - 3 - 3 - 6 or whatever.

Basically, I'm an uber n00b who needs special help with this lol. Sorry about that :S I'm a good guy though so the least I can do is give you guys rep points for helping me lol.
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post #2 of 13
Nooo
TCCD is a type of chip found on RAM.
The different kinds of chips work different ways.
For instance TCCD likes a voltage of 2.8 to 2.9
And can run high fsb with pretty good timings.

And the timings are just the amount of time it takes for certain functions to happen.
For instance 3-3-3-9
Lets say someone is rolling a ball of a cliff.
Well it takes 3 seconds to get the ball from the truck.
3 seconds to put the ball in place.
3 seconds for the ball to finish rolling.
and 9 seconds total.
But a bit more complicated LoL

Theres a good guide at DFI street on RAM.
Gotta find it tho.

Heres one just telling about different ram and timings.
I still gotta find the timings one tho.

http://www.dfi-street.com/forum/show...ghlight=memory

and for the timings/other overclock help go here
http://www.dfi-street.com/forum/showthread.php?t=20823
and its down a few pages. youll see BIOS Optomization Guide for DFI NForce4 Motherboards: in big bold letters
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post #3 of 13
Thread Starter 
I'm reading a new guide I found in a thread made addressing a question near to mine. Too bad I didn't see the thread before I made this post. *slaps self*

Hopefully it'll help. Until then though, support a newb!
Oh, and that was slightly helpful, especially telling me what TCCD is. Can I think of TCCD as a kind of "core" for RAM? Like a Barton would be for an AMD CPU?

Anyway.... *gives rep point*
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post #4 of 13
Thread Starter 
Ok, so I think I got a general idea how the timings work. Here's my RAM at the moment. All timings are set to auto.
200 mhz FSB, 1:1 ratio. Timings are 2.5 - 4 - 4 - 9. Is there anything I could do to make my computer faster while staying stable, or is that the healthiest setting? It seems a bit long timings compared to most other peoples' and from the guide. the TRAS is what affects stability the most though, am I right?

*EDIT*

By the way, it's a Barton 2500+ at 200 X 10. Vcore is 1.6 and vdimm is 2.7 just to be safe.
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post #5 of 13
Well you can overclock your computer.
That would help more than timings.
Timings is just a small part of it.
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post #6 of 13
Thread Starter 
Ah, but my computer IS overclocked. It's at 2000 mhz. Stock for the 2500+ is 1800 mhz. I'm just not pushing it too much farther until I get better cooling because my temps are kind of high right now as it is. Later when I apply some new thermal paste and grab a new fan I'll up the multiplier, but for now I want to know how I can best use my memory. 200 mhz is as far as I'm willing to push the FSB right now since 200 mhz is the farthest my board will let me push my RAM, and I want to stick at 1:1. It's 166 mhz stock.
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post #7 of 13
Then get memtest86+
Lower your timings. to like 2-4-4-6.
ANd run memtest.
If u get errors lossen your timings. Run memtest.
And so on.
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post #8 of 13
Quote:
Originally Posted by CanadaGradeEh
Ok, so I think I got a general idea how the timings work. Here's my RAM at the moment. All timings are set to auto.
200 mhz FSB, 1:1 ratio. Timings are 2.5 - 4 - 4 - 9. Is there anything I could do to make my computer faster while staying stable, or is that the healthiest setting? It seems a bit long timings compared to most other peoples' and from the guide. the TRAS is what affects stability the most though, am I right?

*EDIT*

By the way, it's a Barton 2500+ at 200 X 10. Vcore is 1.6 and vdimm is 2.7 just to be safe.
Is that motherboard based on the VIA chipset? If so, find out if you can lock the PCI/AGP buses. Once you find out that info,come back and we can help you begin. Before we do though, that information is important so you don't run the risk of corrupting your hard drive and be forced to reformat. (losing all data)
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post #9 of 13
Thread Starter 
How can I find out if it's lockable? Is there a setting in my BIOS that tells me? And yes, it's VIA.

Also, memtest86 requires a floppy to install, right? I don't have any floppys around right now, but I do have Prime95 installed.
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post #10 of 13
Ya but you could corrupt ur OS if you use Prime to test your ram settings.
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