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*** Official Opteron 170 Ocing Thread ***

Hi Guys,

Right, i've finally seen Big.Waynes complaints about stability!!

21hours-Fail.jpg


Yikes, failed after 21 hours on 1.4v running at 2.8ghz. Darn it man!

Agent.
 
Tell ya what, I started this thread, so i'll put the table togther!

I'll trawl through the thread tonight and tomorrow morn and put some thing togther and we can take it from there.

Any one have any thing they want to see on ze table in particular?

Agent. :cool:
 
Agreed.

The following criteria will be needed.
Screenshot
1) 12 hour prime stable (both cores) - CPU stressing only. No blend carp.
2) CPU-Z Showing CPU and RAM
3) Temps whilst on lod

Info
1) Full PC Spec, even if its in your sig or not.
2) Cooling used.
3) Full stepping info, all three lines.

I'll see what I can find on this forum and then put a table togther.

Cheers all. If you can do this it would be great.

Agent :cool:
 
Last edited:
No not really - When If your aiming of a HTT for about 250 you will get an FSB of 750, a good speed tbh. The A8N-SLi's probably aren't super stable with 1000mhz FSBs.

That aside, you are going to want to slap a divider on that RAM. Because its value RAM it probably doesn't want to budge above 210mhz really. So put the 333 divider in the BIOS and that should get you running.

Give that a shot and don't worry about your vCore just yet. I think your problem will lie with you RAM.

Hope this helps.

Agent.
 
Ouch Clint! Thats one impressive clock you have there my friend. It most certainly seems like the VPMWs are better than the UPMWs for sure!

Once again, nice clock. ;)

Agent :cool:
 
w3bbo said:
Finally plucked up the guts to remove the IHS on my Opty 170 0550 UPMW. After ten minutes with a razor blade (old style), a steady hand and a pounding heart the lid came off no problems. Last time I attempted this I fubar my 165 so I was more than a little nervous!

Temps:

Before :- Idle 38 - Load 53

After :- Idle 30 - Load 41

A 12c Drop

Looking at the IHS there didn't seem to be too bad a contact except for a little bit that wasn't contacting but the paste was dry as a bone. Cleaned off with Isopropyl alcohol and applied some AS5 to the core then spread it as thin as possible with a razorblade.

I also took the opportunity to lap the TT BT but only went to 1200 grade, got a nice 'dull mirror' finish though so this may also have aided the cooling.

Currently priming at 2.9gig, a 100mhz improvement with less heat and less vcore then previously required for 2.8...very happy indeed (and relieved!).
Click to expand...

Looks like I'll be doing the same soon then! I'm a little worried about taking it off but I think it'll be a good challenge. But i'd have to get a better mobo 'cos this ones doesn't go about 280 stable!

Oh well, i'll keep ya posted...

Agent. :cool:
 
w3bbo said:
Go for it m8. I was crapping myself while I was doing it and cursing myself as to how stupid I was for an extra 100mhz (although I am now at 3 gig = 200mhz) I was shocked when I saw how much temps dropped. For some bizarre reason the chip is now more stable with less volts - bonus!
Click to expand...

Sounds a like a no-brainer tbh. I need, NEED to change out my mobo, but I hear that the DFi boards are a little "fussy" with components.

What are you HTT, Vcore, RAM and FSB?

Many thanks,

Agent.

P.S. I've been chasing 3ghz for ages with this chip but am failing miserably!!
 
w3bbo said:
Agent

HTT 3x (600)
FSB 300
Vcore 1.49
Ram 2-3-2-5 @2.8v 140 divider

I havn't tried these settings with the A8n32 since I pooped the lid coz I'm too lazy but I'm sure they will work fine with the asus too.

I tried everything to get above 2.8 stable, every setting you can think of in every bios (Asus & DFI). I also resorted to changing PSU's as I thought that the droop on the 12v rails of the hiper r were to blame so bought an enermax liberty 620w which made no difference. Changed motherboards to dfi ultra d (cheap off a mate) coz I thought that the Asus was holding me back - no difference. Tried cheap water - no difference.

As a last resort I removed the IHS and finally got the 3 gig. Iirc you bought your 170 same time as me (a little before maybe?), anyway the batch is 408L and was from OCUK, just incase you were wondering.

Just take ** time m8, be patient and BUY THE RIGHT TOOLS in the first place, don't bodge it like I did with the first one I tried. Really is easy if you use the old style razorblade method, especially if you spray it with isopropyl alcohol. Last time I used a scalpel which cut into the PCB and screwed the chip. This time I got all my kit together and was done within 15 mins. Took extra care with mounting the TTBT and applying the AS5 but after all that I gotta say its very satisfying when you see the results on screen :)

I know how you feel m8, seeing others get to 3 gig and thinking to yourself 'what am i doing wrong?', there are no 'magic numbers' to be found in the bios imo. I wont insult you by saying 2.8 is great and you should stick to that, we are overclockers and want to push our hardware as far as it will go! All I can say m8 is if you are as desperate as I was and can afford a replacement then go for it!

Best of luck!
Click to expand...

Thanks W3bbo - Your a legend. I think i'm def. going to get that IHS off and get a DFi Board. What BIOS are you using? And are the DFis "tricky" to setup?

Thanks,

Agent.
 
Thanks again W3bbo.

I think i'm going to order the DFi tomorrow. I'm looking forward to see if I can get 3ghz. I'm tempted to get another Cheapo CPU just in case I fry this one I won't be out of a Proc. And if I dont, then I can just send it back...

Agent :cool:
 
easyrider said:
Yeah get the expert!

since getting mine there is simply not a better s939 mobo for the pc IMO! :)
Click to expand...

Just ordered it (The Expert), along with a opty 175, just wanna see what its like and if I get the 3 jigglehurts without taking the IHS off, if so i'm keeping it and flogging my 170...

Agent.
 
Clint said:
Yes, the 175'er are not that good.
There is a new performer available that is on pair with the mighty CCB1E 0550VPMW stepping....CCB1E 0609FPAW.
My advice, buy if seen... ;)
Click to expand...

OSA175DAA6CD
CCBWE0601UPMW
1395366A60369

Anyone know about this proc?!

Agent.
 
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