The Official X2 Overclocking Discussion Thread

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07-15-2005, 01:36 PM
highoctane

Quote:

Originally Posted by Hicks

So what is RAM and HTT? I don't understand. Ram would be 220 and HTT 440?

highoctane that thing was useless it does nothing.

You're right you don't understand then, Major just explained it to you.
07-15-2005, 01:44 PM
xxmartin

Quote:

Originally Posted by jinu117

Most excellent btw, I could never get that high on both cores... I topped out at 2.7ghz -_- around same volts for stability you are showing. Now I reckon few things though (which is probably only worth another 50mhz or so... which is, your chipset temp is darned lower than mine by about 7-8c... PWM just bit off, and CPU temp is about 5c lower. What is your ambient temp like when doing this shot?)

Ambient was around 23-24°C. Chipset is cooled by MIPS DFI Freezer (watercooler) and never gets much over 30°C.

CPU temp is still too high. Seems to be caused by a worse mounted heatspreader. I'm sure that 2.8 GHz is possible with lower voltage without heatspreader and at least 2.9 GHz should be dual-prime-stable without hs.

I'll keep you up to date with clocks after removing hs within the next days.

Martin
07-15-2005, 02:14 PM
xwoodoo

2 Attachment(s)

Here is my result with my X2 4400+ .
What can i say very hot chip ...
07-15-2005, 02:49 PM
Hicks

Yeah, great help. :mad:
07-15-2005, 03:23 PM
REBEL900

Quote:

Originally Posted by xwoodoo

Here is my result with my X2 4400+ .
What can i say very hot chip ...

That's a nice chip there, what cooling and is it game stable? :toast:

Quote:

I'll keep you up to date with clocks after removing hs within the next days.

I'd like to see no HS on phase, anyone?
07-15-2005, 04:54 PM
xwoodoo

Quote:

what cooling and is it game stable?

Of course it's on phase(Mach2 GT).This chip is very hot don't think we will see ~3G on air soon ...
At 2950Mhz@1.78v it is perfectly stable .
07-15-2005, 05:22 PM
jinu117

Quote:

Originally Posted by xwoodoo

Of course it's on phase(Mach2 GT).This chip is very hot don't think we will see ~3G on air soon ...
At 2950Mhz@1.78v it is perfectly stable .

Well, this is what I've been wondering... whats your evap temp diff fully loaded (dual prime) like between 1.68v and 1.78v? I am wondering if dual core is finally cracking over the limit of standard Mach II units...
07-15-2005, 05:26 PM
Major

The X2 sure looks to be a challenge to OC, looking forward to it ;)

I'm hopeing on 2.7-2.8ghz on water
07-15-2005, 05:51 PM
s7e9h3n

Quote:

Originally Posted by jinu117

Well, this is what I've been wondering... whats your evap temp diff fully loaded (dual prime) like between 1.68v and 1.78v? I am wondering if dual core is finally cracking over the limit of standard Mach II units...

My Mach2 had no problem handling my x2's. Temps with the last one I tested were ~-18C idle (core) and ~-10C load. Cpus @ 3100+ Mhz @ 1.53 Vcore
07-15-2005, 06:09 PM
Ugly n Grey

Heat is the key, I can get the 4200 to 2.85 GHz on air but the HEAT. Not to mention the heat coming from the power IC I'm looking forward to phase, skipping water, this thing is hot. Nasty stuff and they already yapping about quad core chips.
07-15-2005, 06:23 PM
pcdoc1

Quote:

Originally Posted by Major

......I'm hopeing on 2.7-2.8ghz on water

For you that will be a SLAM!.....
07-15-2005, 06:32 PM
jinu117

Maybe maybe not. Barely got mine to 2.7ghz stable on water (dual prime95, etc) Temp is excessively high even at 1.55 vcore for that... could go higher on volt but I am guessing another 0.1v probably is only worth 50-100mhz tops considering how it slopes down on frequency around this temp. (52c load... single core load temp is 47c on the other hand...) as many people said, taming the temp will be the key to x2.
07-15-2005, 07:06 PM
Major

I have a feeling that increasing the Vcore in very small increments is more important than ever, finding just enough Vcore to make both cores stable without giving them more than they need.
07-15-2005, 07:08 PM
terror_adagio

I've found that 1.4-1.45 works best for me. I try not to go over 1.5.
07-16-2005, 12:25 AM
Usurper

watercooled X2 400+
1.55 here 2640mhz (11x240) HTTx3 . solid prime on both cores for over 7hrs,gaming stable , pc has been up for over 3days now.
Temps are ok at the moment, PWMIC hits 48 under load, cpu 38 under load.so not concerned too much about the 1.55 volts at the moment.
When i get time ill see how far this can be pushed and post some screenies, still coming to grips with the DFI mobo, but i think ive got my head around it now,(fingers crossed) hoping for 2.7 min.

watercooling has cpu and gpu in loop.
07-16-2005, 12:48 AM
DevilsRejection

stepping or week?
07-16-2005, 03:36 AM
Hicks

Quote:

Originally Posted by Major

I have a feeling that increasing the Vcore in very small increments is more important than ever, finding just enough Vcore to make both cores stable without giving them more than they need.

Definatly, i only need 1.35 for 2530mhz. Dunno if it will do prime ain't tryed yet, but it passes 32mb pi fine.

It's pretty hot already! :)
07-16-2005, 04:48 AM
Hicks

Ive managed this so far, not tested higher yet:
http://img299.imageshack.us/img299/3...titled15xx.jpg

Just wanna get me actual memory speed to around 220, instead of 185 thats it's on now, cause of 333 divider.
07-16-2005, 04:50 AM
xwoodoo

Quote:

whats your evap temp diff fully loaded (dual prime) like between 1.68v and 1.78v?

Useing front&rear fan @ Turbo the evaporator temps varies between -45(1.68v) and -38C(1.78); Problem is that reported cpu temp by ITE is ~ +20degree celsius at 1.78v dual prime and more important PWM temperature is over 50C with a 90cm delta in the neighborhood :D...
07-16-2005, 07:30 AM
Hicks

What does it mean when your system just feezes?

Tryed 11x240 with 1.350 in BIOS, froze in superpi, did not fail, tryed same with 1.365 lasted 5 mins then froze, again it didn't fail?
07-16-2005, 09:49 AM
Usurper

Quote:

Originally Posted by DevilsRejection

stepping or week?

I didnt take notice of either before installation, is it possible to get it any other way, as i dont intend on taking the cpu out as im very happy with connection.
07-16-2005, 10:12 AM
Charloz24

Quote:

Originally Posted by Hicks

What does it mean when your system just feezes?

Tryed 11x240 with 1.350 in BIOS, froze in superpi, did not fail, tryed same with 1.365 lasted 5 mins then froze, again it didn't fail?

If the system freeze, it's probably because of heat :(
07-16-2005, 10:49 AM
Hicks

You sure? i thought that as well myself.

Hmmm in that case i think i need to re-sit, as surely with these volts, it should be fine.

Ill try another notch on the Vcore to see.

Temp was 50C full load.
07-16-2005, 11:16 AM
Ugly n Grey

I find I get random behaviour (works fine, then locks or freezes unexpectedly) at anything over 56c on my 4200...... trying the compressed air can trick and freezing up the heatsink helps a lot, therefore I am assuming it's heat and not voltage........I may cook some eggs later, I'm getting hungry
07-16-2005, 11:35 AM
terror_adagio

Quote:

Originally Posted by Ugly n Grey

I find I get random behaviour (works fine, then locks or freezes unexpectedly) at anything over 56c on my 4200...... trying the compressed air can trick and freezing up the heatsink helps a lot, therefore I am assuming it's heat and not voltage........I may cook some eggs later, I'm getting hungry

How are you cooling it?

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