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OCing 555 to 4.0 ghz

post #1 of 14
Thread Starter 
Hello,

I'm currently trying to push my 555 to 4.0 ghz and I'm hitting a wall. I was following the links advice http://www.tomshardware.co.uk/phenom...l#xtor=RSS-142 of testing initial or base OCs with 15 mins of prime 95 before upping some more. My base stock speed is 3.2ghz. I currently have it at 19.5 multi with 1.425 cpu voltage and cpu-nb @ 1.25 and that holds stable for the 15 mins of prime 95 blend. I raised the multi upto 20x along with raising the cpu voltage to 1.55 and the cpu-nb as high as it would let me which I think was 1.47 and maybe 5 mins into the test the computer reboots. I'm running temp core to monitor the temps during the test and it the never rise above 44 degrees. I have cooler master hyper 212+. I have a OCZ Fatality 550w PSU. XFX hd 4770 graphics card. One 160 gig hard drive. MSI 770-c45 with latest bios.
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post #2 of 14
What speed is the Cpu-NB at anything higher than 2800mhz and it may become unstable try lowering it to around 2400mhz for a 4ghz overclock.
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post #3 of 14
Thread Starter 
I have it on auto
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post #4 of 14
So the cpu nb speed is 2000mhz?
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Crucial MX100 XSPC Raystorm XSPC EX 360 US Solar TDC 
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post #5 of 14
Are you unlocked or not? [Tip: unlocked x2 consumes 125W+] If you're unlocked on the 870-G45 and pushing 1.55V, I'm surprised you haven't killed the board yet. If not, you're fine.

RAM can have an effect on OC-ing; what is your specific kit? If generic, it might hold you back.
post #6 of 14
Thread Starter 
No it's not unlock. My ram is generic, it's geil 2 gig. Timing 9-9-9-24
http://www.newegg.com/Product/Produc...82E16820144455
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Hard DriveOSMonitorKeyboard
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Hard DriveOSMonitorKeyboard
160 G Seagate Windows 7 Ultimate 64 Samsung HDTV/HMDI 18.5 TV/Monitor Saitek Eclipse Red Led 
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post #7 of 14
Considering the CPU is a black edition, might not hold you bakc as much, but combination of generic and single channel/single DIMM won't give you the best performance. Try and find a second DIMM to add on if you have the time and money. Otherwise OC-ing the 555 might just not be worth it, your RAM would bottleneck it all.
post #8 of 14
Thread Starter 
Thank You Sir. I will act as you recommend.
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550 W OCZ Fatality Arcrylic Microsoft Sidewinder 
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Gaming
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CPUMotherboardGraphicsRAM
AMD Phenom II X2 555 Black Edition MSI 770/C45 XFX Radeon HD 4770 8 Gs Crucial Ballistic X 
Hard DriveOSMonitorKeyboard
160 G Seagate Windows 7 Ultimate 64 Samsung HDTV/HMDI 18.5 TV/Monitor Saitek Eclipse Red Led 
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550 W OCZ Fatality Arcrylic Microsoft Sidewinder 
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post #9 of 14
Yes get some good ram...a fast processor and ram that can't feed it will not see it's true potential. Get some 1600mhz ram.
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X
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Ryzen 1700 @ 3.9Ghz Gigabyte Aorus X-370 R9 Fury Strix. Corsair Vengence LPX 2x8Gb 
Hard DriveCoolingCoolingCooling
Crucial MX100 XSPC Raystorm XSPC EX 360 US Solar TDC 
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post #10 of 14
I've tried ocing the x2 550 but can't get it past 3.5ghz. I'm also running on the cheap msi 770-c45 so obviously unlocking my other two cores won't work. I've got 8GB of corsair xms3 ddr3. Does anyone have suggestions on settings that would get it up there more. Also, i can't get my ram to run at it's normal 9-9-9-24-31 timing. (See screen shot)
Thanks guys (or girls)
DEFCON-3
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DEFCON-3
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CPUMotherboardGraphicsRAM
FX-8350 (4.8GHz) Sabertooth 990FX (R1.01/BIOS1604) ASUS GTX 780Ti 2x8GB G.SKILL TRIDENT-X (2140MHz) 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 PRO 128GB Samsung 850 EVO 500GB Kingston HyperX 3K 128GB Kingston SSDnow 128GB 
Hard DriveOptical DriveOptical DriveCooling
WD Caviar BLACK 500GB ASUS Blu-ray ASUS LightScribe SILVER ARROW SB-E 
OSMonitorKeyboardPower
Windows 7 PRO 64-bit 3x ASUS VN248H (24" 1080p AH-IPS) Logitech G710+ Seasonic G-750 
CaseMouseMouse PadAudio
CM STORM:Trooper (DEFCON-3 MOD) Logitech MX Master Corsair MM600 CREATIVE Sound Blaster Z 
AudioOther
Audio Technica ATH-m50xbl Chill Factor III 
CPUMotherboardGraphicsRAM
AMD Athlon X4 880k ASRock A88M-G/3.1 ASUS GTX 660ti HyperX Fury 8GB 
Hard DriveOptical DriveOSMonitor
Crucial MX300 750GB LG Blu-ray Windows 10 P502ui-b1 
KeyboardPowerCaseAudio
Logitech k400r Rosewill Hive 550W ROSEWILL SRM-01 Vizio S4251W-b4 
CPUMotherboardGraphicsRAM
AMD Phenom II X2 550 MSI 770-C45 Sparkle GT 220 4GB Corsair XMS3 
Hard DriveHard DriveOptical DriveCooling
Western Digital 500GB Caviar Black Seagate Baracuda 1TB ASUS blu-ray Stock 
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Windows 7 Proffesional  Acer 24"  Logitech Wave OCZ modXtreme Pro 600W 
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