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DUmb Ram Question

post #1 of 30
Thread Starter 
Hi guyz

My E2140 has 800FSB (200x4 i presume) But my ram is working at 800, fsb:ram ratio is 1:2, never seen that before in any computer, is that ok??? I dont know if I up the FSB to 210 in bios it will also make my ram to run 840mhz??? I dont want to go over stock, dont have time to fight whit glitches or dead mem sticks...

Is ok if I set the ram to 667 or anything below, so i can rise the FSB a bit and see what happens???
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post #2 of 30
It all depends on what the BIOS will let you do. If it allows you to go Unlinked, then you can increase the FSB, and the ram will not be affected.

Regarding the ratio, it's perfectly okay, especially on these newer systems of today. It's not nearly as important to shoot for a 1:1 ratio like it used to be (or so I hear, as I am new to this).

As for lowering the ram, I say go for it. People on here have told me to lower it, so it must be perfectly normal to do it. But I didn't want to.
post #3 of 30
Thread Starter 
Well i dunno if it rise unlinked, it would be great, i want just to OC a bit like 200mhz as much. In my old P4 I used the ram in 1:1 to oc... Also 5:4, but never 1:2 lol, running the mem at 800mhz for nothing seems mmm demanding lol!!!
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post #4 of 30
I finally looked at the screenshot, and I noticed that your ram is 800MHz. We multiply the DRAM Frequency times 2. So, everything is cool there. Leave it at 800MHz. That's stock. But be sure to manually set your timings and voltage to stock as well if your BIOS lets you. If not, ask around. If it can be done on that mobo, then somebody on here may know how.

Regarding the divider, don't worry about it right now. I've been being taught by the good people on this message board that I shouldn't worry about it. Mine is at 7:10, and the system is performing very well. There's nothing wrong with that as far as I know because nobody has said that I need to fix it. A few people have, but including everyone who's seen my dividers lately, the majority ignores it because it just doesn't matter like it used to (or so I'm told. This is my first overclock ever).

So, regarding your inevitable overclock, we need to set everything to stock first. the e2140 at stock is 800MHz FSB with the x8 multplier. That is, 8x200=1600 which is 1.6GHz - 200x4=800, which is the rated FSB. These FSB's are "Quad Pumped". So, set the multiplier to 8x. Then adjust the FSB to get 1.6GHz. You'll also need to manually set the voltage to stock. I'm still new, so the only way I know how to find out the stock voltage is to look in CoreTemp. It's the "VID". Of course, there's Google, but that didn't help me much. Of course, I'm quite sleepy too.

Anyway, manually enter all of these things in. When you enter the VID, there might be vdroop, which means the actual voltage will end up a little lower than you set it at. Ignore that for now.

Then, all you gotta do is a stress test for at least 6 hours. You can use programs like Orthos, OCCT or Prime95. There are probably others that I'm forgetting. If it goes at least 6 hours or so, then you'll know that it's totally stable at stock. At which point you can begin overclocking.

Read the overclocking guides found here on the forums in the Intel CPUs forum. You'll be overclocking better than you thought.

That's all I have. I'm sorry I didn't put much more effort into this. I'm so sleepy, but I want to help so badly!
post #5 of 30
Quote:
Originally Posted by 5CheeseLasagna View Post
Editing for better wording, etc... Please wait [blinking cursor]
I'm by no means an expert, but everything you said sounds right to me
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post #6 of 30
Well, I worded it better this time. I actually looked at the screenshot. I'm so blind.
post #7 of 30
A 1:2 ratio is stock for DDR2-800 and an E2140. Lowering the ratio will lower performance (though not by much).

If you want to OC, drop to the 1:1 ratio and see how high you can get the FSB. When you find the max stable FSB, start upping the memory ratio again and find the max memory speed. After than see if you can tighten the timings any.
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post #8 of 30
Thread Starter 
Thanks for the help guyz!!!
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post #9 of 30
Thread Starter 
Well, i tried the OC

I did all what have to be done to OC my CPU and Board, after I rised FSB only by 1 mem went to 804mhz, and so on and to get 800mhz again using a divider, 240x3.33= 799.2Mhz, it works stock at 200x4=800.

And 240x8 = 1920mhz mmm really mad overclockbut for sure I wont run stable and may over heat and Im wanting to avoid any of that!!!

In the past when I used my old P4 presscot 2.4ghz and 533fsb, was 133x4 and also have in some better performers 200x4=800mhz and all done whit DDR1-400mhz to run at 800 you had to have a 1:1 divider, and 533: you had something like 4:5

So changhing my divider to anything that let me OC beyong the 800mhz lvl of my memory, will hurt performance or not?

Maybe it was answered before, but well, I have more than 2 years whit not ocing
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post #10 of 30
Well of course if you change the divider to 1:1 while the FSB is 200x4, you will end up with memory at 200x2 or 400mhz and the machine probably wont post. So you would need to be up around FSB 300x4 to make that worthwhile. But there are doubts your cpu would run at that speed without major cooling/voltage changes/etc.

And whoever suggest the memory could be unlinked, I think the OP has an intel chipset so that doesnt happen.

Read the bios manual and see which dividers are available. If you have one that it between 1:1 and 1:2 that is what you want. That is all motherboard specific though.
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