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AMD Phenom 965/M4A89GTD Pro Overclock Question

post #1 of 8
Thread Starter 
I got this board and processor combo in this weekend. After only 30 minutes of getting my memory settings straight and tight 7-8-7-20 at 1600DDR3, I immediately took the FSB to 300. After playing around for another 30 mins this is what I came out with a stable system:
FSB 300
Multiplier 13.5
HT 2100
NB 2100
Temps: Ambient 78F, Idle 32C, Load 42F

All voltages are auto and yes I have the volt for processor at 1.35V. This is water cooled, and I taxed the hell out of the computer for like 3-4 hours using benchmarks for stability.

This seems really stable and I am more tempted to stay at 4ghz. (ooh so exciting after only 1 hour of tweaking). Is a FSB of 300 okay for this architecture? And should i push for 4.2. I don't see a need for 4.2 but I can definitely try. (actually i did try only with the above settings and a multiplier of 14.)
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post #2 of 8
Good work, now you need to test for full stability. 12HRS min Prime95.
post #3 of 8
300 is fine for it. that's pretty good to hit 4 relatively stable at such a low voltage. And that is why I hate my ram because it can't even run 236. and that's with stock timings. congratulations on reaching 4GHz. Im not sure if you'll be able to go to 4.2 on ref. clock alone. I would up the CPU multi by .5 and increase your CPU-NB if you want 4.2
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i7-3930k C1 4.6GHz @1.344v Sabertooth X79 2x EVGA GTX 560 Ti SC SLI 900/2106 Dominator 1866 16GB 9-10-9-27 
Hard DriveHard DriveCoolingOS
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WD Caviar Black 1TB  Lite ON 16x DVD-R/RW ThermalRight Silver Arrow Windows 7 Professional 64 bit 
MonitorKeyboardPowerCase
Syncmaster 921BW 19" & Syncmaster 965 19" and S... Apple aluminum wired keyboard Corsair TX650 Silverstone TJ05 with window and thermal contro... 
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post #4 of 8
Overclock your CPU/NB @ 2400 (at least). 2100 bottlenecks your RAM.
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post #5 of 8
Thread Starter 
Quote:
Originally Posted by ALUCARDVPR View Post
Good work, now you need to test for full stability. 12HRS min Prime95.
I remember there being a prime95 for multi-core and i thought I had it. Got a link?

Quote:
Originally Posted by DSP1 View Post
300 is fine for it. that's pretty good to hit 4 relatively stable at such a low voltage. And that is why I hate my ram because it can't even run 236. and that's with stock timings. congratulations on reaching 4GHz. Im not sure if you'll be able to go to 4.2 on ref. clock alone. I would up the CPU multi by .5 and increase your CPU-NB if you want 4.2
Yeah I don't think I will be hit 4.2 on ref either. I was just fooling around when I went straight to 300 fsb and saw a multiplier as low as 4. It booted up and was still fast, I was like woo. So I said why not, kicked it up to 12.5 and it booted fine, and i was like no way. So I went back and changed it to 13.5 and I about died. I am like, i never get this lucky with processors.

Quote:
Originally Posted by IOSEFINI View Post
Overclock your CPU/NB @ 2400 (at least). 2100 bottlenecks your RAM.
Overclock the NB to 2400 (multipler of 8 instead of 7) right but don't overclock the HT?
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Darkness
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AMD Phenom II 965 ASUS M4A89GTD PRO/USB3 6950 Corsair 4gb 1600 
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12TB plus 64gb Adata(Microcenter) Windows 7 Ultimate x64 3 24" Displays (Eyefinity) CM 1000W 
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HAF 932 
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post #6 of 8
keep HT Link @ 2100
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Case
LianLi PC-A77 
CPUMotherboardGraphicsRAM
FX-8320 Gigabyte 990FXA-UD7 Sapphire HD6970 1600 11-11-11-28 
Hard DriveCoolingPowerCase
OCZ Vertex3 120Gb Heatkiller 3.0, GTX140 + GTX120 Seasonic Gold X650 Lian Li PC-7FN 
CPUMotherboardGraphicsRAM
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Case
LianLi PC-A77 
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post #7 of 8
Thread Starter 
Will do tonight, currently at work.
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12TB plus 64gb Adata(Microcenter) Windows 7 Ultimate x64 3 24" Displays (Eyefinity) CM 1000W 
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HAF 932 
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Darkness
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CPUMotherboardGraphicsRAM
AMD Phenom II 965 ASUS M4A89GTD PRO/USB3 6950 Corsair 4gb 1600 
Hard DriveOSMonitorPower
12TB plus 64gb Adata(Microcenter) Windows 7 Ultimate x64 3 24" Displays (Eyefinity) CM 1000W 
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HAF 932 
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post #8 of 8
Quote:
Originally Posted by ghettosuperstar View Post
I remember there being a prime95 for multi-core and i thought I had it. Got a link?
It's built-in now, just get the latest
http://www.mersenne.org/freesoft/
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