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[OFFICIAL] Phenom II X4 9x5 OC Club - Page 328

post #3271 of 5692
Okay I put in my Corsair H50 last night and have been overclocking and stress-testing since then so I guess I'll go ahead and post here.

955 Processor
CPU 3.57GHz
CPU Bus 210MHz
Multiplier 17.0
Northbridge 2310
Vcore 1.4
NB Voltage auto
DRAM Freq 1400
DRAM voltage auto
Timings 7-8-7-24
Load temp with Prime95: 46C

http://valid.canardpc.com/show_oc.php?id=934087
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post #3272 of 5692
HT Link...high or low?
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post #3273 of 5692
Okay, actually got it up a bit higher last night.

3.675GHz
210 bus freq
17.5 multi
2310 NB
1.4375 core volts
1.3 NB volts
1400 DRAM Freq
7-8-7-24
temp 50C load, 22-25C idle
HT is 2100MHz

http://valid.canardpc.com/show_oc.php?id=935158


Edited by purduepilot - 1/9/10 at 9:49pm
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post #3274 of 5692
OO i think i got another stable OC. running prime now. I know its not that high of an OC, but I am making progress. Question: my cpu voltage is set to 1.4750v in the BIOS. idle that works out to 1.44v and under load it goes all the way down to 1.41 and 1.40v. is that vdroop normal or within acceptable ranges?

263x14 = 3683mhz
1.475v (1.41v load) CPU
1.275v CPU - NB
2630mhz NB
RAM at 5-5-5-15-2T 2.23v

NOM-able temps at 45c load.
Edited by brkbeatjunkie - 1/8/10 at 8:34am
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post #3275 of 5692
Here is my submittal:

965 (c3) Processor
CPU 4.1GHz
CPU Bus 205MHz
Multiplier 20.0
Northbridge 2664
Vcore 1.536
NB Voltage auto
DRAM Freq 1400
DRAM voltage 1.3(dont pay attension to the NB voltage in the ss)
Timings 8-9-9-20
Load temp with Prime95: 44C

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post #3276 of 5692
Nice work there gsk
Would appreciate some benchmarks from you guys over here http://www.overclock.net/amd-cpus/64...ks-thread.html
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post #3277 of 5692
I just wanted to thank everyone for their over clocking advice. I used the method of upping the multiplier until the system crashed, then slowly bringing up CPU voltage 50mv at a time until the system stabilized. It took awhile, but I was able to get a very stable 3819MHz OC at under 1.5 V. It took awhile to run test after test, but this method works best than randomly cranking everything up and hoping the the best.

I did some analysis on how voltage, Mhz, and performance scale. You can check this link for a GoogleDoc and data/graphs.

The Zalman 9900 cooler does a great job.

With the stock heatsink at full CPU load running at 3.4GHz, temps are 56C.
With the Zalman 9900 at full CPU load running at 3.8Ghz, temps are 52C.

Also I connected a Watt meter to the system at found that if you use AMD Cool and Quiet and idle at 800Mhz, your system on average (monitors, speakers, PC) will use about 200W of power. When you crank all the CPUs up to full load power usage jumps 160W to 360W. Running AMD cool and quiet is definitely the way to go since you don't need all your over clocked power all of the time.

I transferred the settings from AMD Overdrive directly to the BIOS and found that this disabled AMD Cool and Quiet, so now I leave the BIOS stock and use AMD Overdrive to apply my overclocked profile, which keeps the AMD Cool and Quiet active and saving electricity, noise, and heat.

I found that I could bump the FSB to 2200Mhz, but 2400Mhz wouldn't boot.

I found that rendering a movie in Sony Vegas is an excellent predictor of OC stability. My advice is

1. Run Cinebench (x CPU) multi-CPU test for a quick check.
2. If that passes after 2-3 attempts, render HD video using Sony Vegas for about an hour.
3. If Sony Vegas completes, you are stable.

I wanted to post my system info and results so that it couple be included in Slappa's spread sheet.

Stable OC Results:
Speed: 3819MHz
CPU Multiplier: 19x
HT Multiplier: 10x
HT. ref. Clock 201
FSB: 2200 Mhz
CPU VID: 1.4875 V
NB VID: 1.100

System
CPU: AMD Phenom II X4 955 Black Edition Deneb 3.2GHz Socket AM3 125W Quad-Core
Motherboard: GIGABYTE GA-MA770T-UD3P AM3 AMD 770 ATX AMD
RAM: G.SKILL 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Dual Channel Kit Desktop Memory Model F3-12800CL9D-4GBNQ
DVD: LITE-ON CD/DVD Burner - Bulk Black SATA Model iHAS124-04 - OEM
HD: Western Digital Caviar Black WD6401AALS 640GB 7200 RPM SATA 3.0Gb/s 3.5"
Video: POWERCOLOR AX4770 512MD5-M Radeon HD 4770 512MB 128-bit GDDR5 PCI Express 2.0 x16

Case: Antec - Plusview Aluminum Case
PS: Rosewill RP550V2-D-SL 550W ATX12V v2.01

Cooling
ZALMAN CNPS9900ALED 120mm 2 Ball Low-noise Blue LED CPU Cooler
LOGISYS Computer CF120BL 120mm BLUE 4 LED LED

Software
Windows 7 - 64 bit
SONY Vegas Movie Studio Platinum 9 Pro Pack - Retail


If anyone has any ideas on how I can break the 3.8Ghz barrier, please send me an email. Thanks and happy overclocking to you all!

Here is the Validation:


Edited by proudAMD - 1/8/10 at 7:25pm
post #3278 of 5692
Quote:
Originally Posted by gsk3rd View Post
Here is my submittal:

965 (c3) Processor
CPU 4.1GHz
CPU Bus 205MHz
Multiplier 20.0
Northbridge 2664
Vcore 1.536
NB Voltage auto
DRAM Freq 1400
DRAM voltage 1.3(dont pay attension to the NB voltage in the ss)
Timings 8-9-9-20
Load temp with Prime95: 44C


GSK...Try a lower multi and higher FSB... See if you can get higher.
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post #3279 of 5692
Quote:
Originally Posted by jimibgood View Post
GSK...Try a lower multi and higher FSB... See if you can get higher.
Since then I have tried low multi and high bus speeds and no dice. I am thinking it is voltage related. I am still figuring out this board so it may be some time.
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post #3280 of 5692
Ok so I got squirly this morning and decided to try and push some more.

I went for 4.212ghz cpu/2.808ghz nb/720 mhz 7-7-7-16-27-1t ram.

I got a 5918 cpu points in 3dmark06 with it.

So then I went for prime95 to see if it was stable. I figured a quick 10 minute run would tell me if it had a chance and would not just crash instantly. For the final test I will run for 3 hours.



Worker 1, 2 and 4 all stopped as you can see. Three was the only one that finished the test. What does it mean when a worker(core) stops working? Does it need more voltage?

I have also come to the conclusion that AMD AOD 3.1 has some bugs in it as it freezes up when applying settings. I have used this since back in the Phenom I 9850be days. So I reverted back to the blue world of the bios.

Here are some screen shots of my settings in bios with hope that someone may be able to shed some light and help me get 4.2ghz stable.



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