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OCing bris (interesting find reguarding the HT)

post #1 of 8
Thread Starter 
ive had a few threads started on here in the past few days on OCing my 3600+ with the 10C drop in temps and what not. I hit 3.0Ghz on 1.4v 12hour + Orthos

people keep telling me to not go above 1Ghz with my HT because it will break it and it doesnt do anything blah blah blah... well I pushed it up to 1360Mhz HT and bench tested it at 3.0Ghz. following that i re benched it at 1Ghz with some interesting finds. memory latency went down an average of about 10% at 1Ghz making 1Ghz faster...

about 20 min ago I stumbled on a key to OCing the Bris that was the soul reason i got to 3.0Ghz on 1.4v. Its the HT. I dont know enough about the inner workings of HT to tell you why but i can say that when dropped down to 1Ghz my orthos lasts no more then 6 min even with my DIMM turned WAYYY down. high voltage increases were need to keep the core speed up and stable at 3.0 when the HT was at 1Ghz or below.

im going see how far i can push my HT without raising the voltage on it any further then re-OC from there... Ill update as the findings come in.
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post #2 of 8
Actually, most AM2 MBs seem to like the 1200ish and apparently for some even higher HT speeds!
    
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post #3 of 8
Thread Starter 
i stopped going up at 1500Mhz i ran Orthos for 10 min or so with no problems, restarted the computer and it locked up. i dont know if it was a freak thing or if it was a result of the 1.5Ghz but none the less i have it backed down to 1264Mhz with no problems.

My overclock as it stands is in the puzzl phase trying to figure out how I can keep my CPU speeds up without killing my ram speed.

It started up fine DDR533 with FSB of 316 and timings of 4-4-3-5 T2 but failed on Orthos at around 5 min. so i backed the timings down to 5-5-5-15 which ended up failing at a little over 4 min :swearing: if i drop my DDR down to 400 my memory BW goes out the window. Its so hard to get parts that all match up when OCing a computer. something always wants to bottleneck it and screw it all up...
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post #4 of 8
is this with recent 3600+ or all? my 3600+ is about 7 monthes old
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post #5 of 8
Nice job...The HTT is meant to be OC'd...they almost always let you have a better overclock...i dont see how people say "omg keep it below 1000 or ur comp will asplode" keep up the good work
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post #6 of 8
Thread Starter 
Quote:
Originally Posted by hangemhi View Post
is this with recent 3600+ or all? my 3600+ is about 7 monthes old
i dont know... ive had my 3600+ almost that long so if there are different ones then yours should be the same as mine...
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post #7 of 8
Don't worry HKS85, I have the SAME EXACT issue with the last brisbane I OCed. I could run it all the way to 3.2GHz with the memory at 400 but for the LIFE OF ME I couldn't get it to run past 3.04 with the memory on the 533 divider. I didn't look at the stepping to compare with you as I was happy with the 60% overclock on a $50 chip.

EDIT: Thank you for once again validating my constant insistence that OCing the HTT is a GOOD thing.
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post #8 of 8
Thread Starter 
ok so why not use a lower fsb, and higher stepping found on higher level bris? perhaps the 3600+ isnt the best bris to OC.
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CPUMotherboardGraphicsRAM
A8-3870K @ 3.7GHz GIGABYTE A75M-UD2H Power Cooler 7870 Team Group Inc 
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3x OCZ Agility 3 60GB (RAID-0 on Rocket RAID 27... Corsair H-80 core win-7 Seagate 750 Gold 
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some lian-li case... M-Audio AV40s + 10" Sony ___? 
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dBag
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CPUMotherboardRAMHard Drive
xeon e3-1230v2 supermicro mbd x9scm-0 KVR1333D3E9S/4G OCZ vertex3 60GB 
CoolingOSPowerCase
1u 80mm blower + passive cpu  proxmox 3.1 supermicro 300w 1u supermicro 1u 
Other
2x intel pro1000 nics  
CPUMotherboardGraphicsRAM
A8-3870K @ 3.7GHz GIGABYTE A75M-UD2H Power Cooler 7870 Team Group Inc 
Hard DriveCoolingOSPower
3x OCZ Agility 3 60GB (RAID-0 on Rocket RAID 27... Corsair H-80 core win-7 Seagate 750 Gold 
CaseAudio
some lian-li case... M-Audio AV40s + 10" Sony ___? 
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D525 @ 1.8GHz Supermicro onboard 2x2GB DDR1333 
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