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New to OC'ing- comments, suggestions, flames?

post #1 of 11
Thread Starter 
Hi all, thanks again for the nice welcome. I'm new to overclocking- I understand the theory and all, but lack practical experience. I just built this new rig, and wanted to see what it can do.

As you can see from the attached, my FSB to DRAM is 4:5, my ram is 667- so what I was thinking, is that I could make the ratio 1:1 and run my fsb up to around 333+ and should have no problems right? (From what research I've done, this cpu should run at stock voltage that high and hopefully stay cool)--

If so, how do I do that (change fsb:ram ratio)? I can't find any options for changing the ratio.. the bios just has 'dram frequency' options of: 2.0, 2.3, 2.6, 3.0,... up to 4.0+ what is that in ratio too? That's where I get lost

Also, if you guys can recommend a good cpu temp monitor, that would be great- there's a couple i've tried that seem to be 5deg C off from what the bios reads for some reason.

Thanks in advance!!

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post #2 of 11
it is very hard to find a program as accurate as BIOS and many people in this forum say to stick to the bios, but if you need a temp moniter get motherboard moniter.
edit:how can you tell it is 5 degrees off? After all, once windows loads your computer is going to get hotter...

edit 2:I just noticed the stock HSF in your profile. You've got a pretty darn nice system and if i were you i would buy one before overclocking too much. I'd just want to be safe...

edit 3:While looking at your sigy i noticed you didnt completely fill out specs. please COMPLETLY fill them out. It helps us help you greatly
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post #3 of 11
The temp monitor I've been using for a few years: SpeedFan
Other temp monitor that is been used by others: Motherboard Monitor

The truth is there is little benefit in having the ram at a higher speed than the CPU while OCing, so a 1:1 ratio is a good way to start. If you can't find it like this maybe there's a place where you can set the ram @533 MHz. This is 1:1, but in some BIOSes it appears in real freq, not in form of a rapport. What you found are the Timings: Cas latency, Ras-to-Cas delay, Row acces time, etc...
If you still can't find them I have a feeling they may show up if you press CTRL+F1 right after you enter the BIOS. Gigabyte mobos have this feature that hide some of the OCing options from the user.

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post #4 of 11
Thread Starter 
ok, think I got it- it was the dram frequency multiplier that needed adjusting- at 2.5 it was at 667, at 2 it was 533 I think I get it now, that's against the system bus of 266 I take it...

anyways, got it up to 2.2 and I was hitting the 60c mark after like 10 mins of prime95 torture.. too hot for my blood lol

I think I got a lil happy with the arctic silver, maybe I'll go scrape some off and see if I get better results. Anyone know how hot I should let this conroe get before worrying?
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XP Pro 
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My System
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XP Pro 
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post #5 of 11
Thread Starter 
WOW... all I can say is I'm one lucky dude-

after removing my hsf and removing some of the extra thermal paste and replacing- my cpu shot up to like 65c in the bios b4 I could dive down and shut it off... when I went to reseat- I noticed my HSF assembly is 'slightly' defective

the 4 corners all 'clicked' into the mobo, but i noticed one of the corners felt like it had room to spare and sure enough, it clicked down one more time (this time seating correctly) my extra paste prolly saved my ass on my original build as I quickly checked the bios temp and was so exited to get right to that windows install that it woulda prolly burnt up :O

anyways, its running 28c idle and 40 with prime95 torture-- let the OC adventure begin
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post #6 of 11
welocome to ocn. have fun and enjoy your stay
    
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post #7 of 11
http://www.overclock.net/intel-cpus/...ing-guide.html

basically heres how it works
you use a base speed to figure out the rest of the clocks in your computer.
for core 2 duo's this speed is 266
base speed * 4 = fsb (in your case 266*4 = 1066)
base speed * cpu multiplier = cpu speed (your case 266 * 7 = 1.86ghz)
im not sure how it works for ddr2 and intel memory controllers, but it also uses the base speed to determine memory clock as well.

since changing cpu multipliers to a higher number is locked (by intel) your only choice is to up the base clock. this will overclock cpu speed along with fsb and memory speed. overclock the memory too much and it becomes unstable in which case you add voltage for stability, decrease timings for stability, or use a memory divider (underclock the memory clock) for stability.

if the cpu becomes unstable... and ONLY if the cpu becomes unstable, this is when you add voltage... this will allow you to get a slightly higher overclock, though it adds a lot more heat than frequency does so be careful.

best of luck!
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post #8 of 11
Quote:
Originally Posted by Frylock
Hi all, thanks again for the nice welcome. I'm new to overclocking- I understand the theory and all, but lack practical experience. I just built this new rig, and wanted to see what it can do.

As you can see from the attached, my FSB to DRAM is 4:5, my ram is 667- so what I was thinking, is that I could make the ratio 1:1 and run my fsb up to around 333+ and should have no problems right? (From what research I've done, this cpu should run at stock voltage that high and hopefully stay cool)--

If so, how do I do that (change fsb:ram ratio)? I can't find any options for changing the ratio.. the bios just has 'dram frequency' options of: 2.0, 2.3, 2.6, 3.0,... up to 4.0+ what is that in ratio too? That's where I get lost

Also, if you guys can recommend a good cpu temp monitor, that would be great- there's a couple i've tried that seem to be 5deg C off from what the bios reads for some reason.

Thanks in advance!!


2.0 dram frequency will get you 1/1
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post #9 of 11
Thread Starter 
awesome thx guys- I'm not sure exactly why, I'm assuming it's the ddr2 technology that makes the 2.0 the 1:1- kinda confusing when your just starting.

So, if my RAM is designed to run at 667, ddr2* then theoretically if I have the 1:1 ratio, and I set my fsb up to 333- then rams running @ 667 right? and should have no problems eh? I've heard great stuff about the OCZ ram and bought it for it's OC potential... same w/ the conroe e6300

I have my system bus running @ 300 now <-noob overclock and I don't even notice a heat difference maybe +1-2c or so, and it survived an hour of prime95 torture before I stopped it and deemed it pretty stable.

What's funny is I had the dram multiplier set to 2.5 (before the helpful hints and had the bus speed up to like 310 before the ram crapped out and rebooted. So I'm curious now how far I can push this RAM with a bit more voltage.

Thx again for the help! Glad to be here!
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
e6300 Gigabyte 965P DS3 7600GT PCIe 2x 1g OCZ Gold 667 
OS
XP Pro 
  hide details  
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
e6300 Gigabyte 965P DS3 7600GT PCIe 2x 1g OCZ Gold 667 
OS
XP Pro 
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post #10 of 11
Thread Starter 
Oh, and could you guys explain the memory bridge thing? if it's posted somewhere that I didn't see,, let me know-
My System
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CPUMotherboardGraphicsRAM
e6300 Gigabyte 965P DS3 7600GT PCIe 2x 1g OCZ Gold 667 
OS
XP Pro 
  hide details  
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My System
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CPUMotherboardGraphicsRAM
e6300 Gigabyte 965P DS3 7600GT PCIe 2x 1g OCZ Gold 667 
OS
XP Pro 
  hide details  
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