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Phenom 955 C2 OC on MSI 790FX-GD70

post #1 of 27
Thread Starter 
Hi,

Does anyone have the same setup as me? i'd like to know what is the max OC possible with my CPU and motherboard.

My specs are:

CPU: Phenom II 955 rev. C2 with a Noctua NH-D14 with AS5
MSI 790FX-GD70 bios 1.G(aka 1.16)
My memory is... http://www.newegg.ca/Product/Product...es)-_-20145222


i'm well aware my memory is made for Intel but that's what i have for now. It has latency of 9-9-9-24 at 1.65V and max 1600

I tried this so far.... Multiplyer at 19.5 X 200FBS (3.9GHZ CPU) with 1.48V for the voltage
NB at 13X(2600)
HT at 12X(2400)
CPU-NB 1.30V

When i reboot the first time i get no video... no display at all.. after rebooting again i get into windows 7 (64bit) and i can run some benchmarks and prime95 and it seems stable.... if i reboot again i'll get the no video again or it might boot correctly... it changes all the time.

From what i tried it seems like getting the NB over 2400 is whats causing my pc to not boot correctly sometimes... should i raise cpu-nb voltage above 1.3v?

Anyways it would really help if someone has the same setup and can give me their settings including voltage for CPU... CPU-nb... HT etc.... Thanks in advance.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II 1090T 4.0GHZ 1.48V MSI 790FX-GD70 AM3 790FX ATX Asus EAH5870 Voltage Tweak G.Skill 8GB DDR3 1600MHZ TR3X6G1600C9 
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CPUMotherboardGraphicsRAM
Phenom II 1090T 4.0GHZ 1.48V MSI 790FX-GD70 AM3 790FX ATX Asus EAH5870 Voltage Tweak G.Skill 8GB DDR3 1600MHZ TR3X6G1600C9 
Hard DriveOSMonitorKeyboard
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post #2 of 27
dude you cant just go from stock settings to 3.9 LOL. You move it up very slowly. go one multi increase at a time. and at each step you check for stability. your not booting because odds are that chip isnt going to 3.9 without a hell of a lot of voltage. start with .1ghz over stock settings and move up each time by that. your gunna fry your chips if you dont be careful. Seems to me you need to do some reading on how exactly to overclock.

read this http://www.overclock.net/overclock.p...king-guide.htm
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post #3 of 27
Thread Starter 
Quote:
Originally Posted by ckybam3 View Post
dude you cant just go from stock settings to 3.9 LOL. You move it up very slowly. go one multi increase at a time. and at each step you check for stability. your not booting because odds are that chip isnt going to 3.9 without a hell of a lot of voltage. start with .1ghz over stock settings and move up each time by that. your gunna fry your chips if you dont be careful. Seems to me you need to do some reading on how exactly to overclock.

read this http://www.overclock.net/overclock.p...king-guide.htm
That's exactly what i did but my question is what is the MAX OC somebody has achieved with this setup. For me it seems to be at 3.9 where things get complicated and i've seen people with the same CPU go to 4.0 so i'd like to get advice on what settings i could try.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II 1090T 4.0GHZ 1.48V MSI 790FX-GD70 AM3 790FX ATX Asus EAH5870 Voltage Tweak G.Skill 8GB DDR3 1600MHZ TR3X6G1600C9 
Hard DriveOSMonitorKeyboard
Seagate 500GB Windows 7 Ultimate X64 HP LA2205wg HP 
PowerCaseMouseMouse Pad
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My System
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CPUMotherboardGraphicsRAM
Phenom II 1090T 4.0GHZ 1.48V MSI 790FX-GD70 AM3 790FX ATX Asus EAH5870 Voltage Tweak G.Skill 8GB DDR3 1600MHZ TR3X6G1600C9 
Hard DriveOSMonitorKeyboard
Seagate 500GB Windows 7 Ultimate X64 HP LA2205wg HP 
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OCZ GamerXstream 850WATT antec 900 HP HP 
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post #4 of 27
did you try looking at the stickies? it has a list of chips and boards ppl have overclocked with.

http://www.overclock.net/amd-cpus/50...-oc-550-a.html

Also what are your settings and temps that got you to 3.8 steady?
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post #5 of 27
Quote:
Originally Posted by ckybam3 View Post
dude you cant just go from stock settings to 3.9 LOL. You move it up very slowly. go one multi increase at a time. and at each step you check for stability. your not booting because odds are that chip isnt going to 3.9 without a hell of a lot of voltage. start with .1ghz over stock settings and move up each time by that. your gunna fry your chips if you dont be careful. Seems to me you need to do some reading on how exactly to overclock.

read this http://www.overclock.net/overclock.p...king-guide.htm
What??? I do that myself, but I start at 3.7ghz with 1.4v then stress test for a hour. Then adjust the voltage until it is stable. Then I start moving up. The highest possible oc I stress the min of 6 hours.
Edited by dixson01974 - 1/2/11 at 2:48pm
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post #6 of 27
Thread Starter 
I tried a bunch of different settings.... i checked the stickies i checked the spreadsheets and tried almost everything i saw but there's one problem i seem to have that nobody else does.... when i set the NB over 2400 even if its just by 1... then my pc will boot but no video... it just wont boot into windows if i go over 2400 for the NB settings.

Anyone else had that issue? i tried raising CPU-NB voltage... tried all type of things but nothing will let me go over 2400 and be able to boot... well it will boot but once every 10 tries ... like now im running at 2600NB ... it booted into windows... im running prime95 now and no crashes yet and ill keep it running till it does but i know if i reboot ill be stuck again..... so what am i missing here?!
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II 1090T 4.0GHZ 1.48V MSI 790FX-GD70 AM3 790FX ATX Asus EAH5870 Voltage Tweak G.Skill 8GB DDR3 1600MHZ TR3X6G1600C9 
Hard DriveOSMonitorKeyboard
Seagate 500GB Windows 7 Ultimate X64 HP LA2205wg HP 
PowerCaseMouseMouse Pad
OCZ GamerXstream 850WATT antec 900 HP HP 
  hide details  
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II 1090T 4.0GHZ 1.48V MSI 790FX-GD70 AM3 790FX ATX Asus EAH5870 Voltage Tweak G.Skill 8GB DDR3 1600MHZ TR3X6G1600C9 
Hard DriveOSMonitorKeyboard
Seagate 500GB Windows 7 Ultimate X64 HP LA2205wg HP 
PowerCaseMouseMouse Pad
OCZ GamerXstream 850WATT antec 900 HP HP 
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post #7 of 27
Thread Starter 
bump! come on pple i need some help!

is 2400 for NB my limit? isnt there any way to make it boot at 2600? nobody seen this before?
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II 1090T 4.0GHZ 1.48V MSI 790FX-GD70 AM3 790FX ATX Asus EAH5870 Voltage Tweak G.Skill 8GB DDR3 1600MHZ TR3X6G1600C9 
Hard DriveOSMonitorKeyboard
Seagate 500GB Windows 7 Ultimate X64 HP LA2205wg HP 
PowerCaseMouseMouse Pad
OCZ GamerXstream 850WATT antec 900 HP HP 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II 1090T 4.0GHZ 1.48V MSI 790FX-GD70 AM3 790FX ATX Asus EAH5870 Voltage Tweak G.Skill 8GB DDR3 1600MHZ TR3X6G1600C9 
Hard DriveOSMonitorKeyboard
Seagate 500GB Windows 7 Ultimate X64 HP LA2205wg HP 
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post #8 of 27
Your Voltages seem low

Try
CPU/NB @ 2600....1.35V
CPU @ 3.9GHz......1.50V(I think you will need more)
RAM Volt..............stock + 0.05-0.1V
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post #9 of 27
Quote:
Originally Posted by dixson01974 View Post
What??? I do that myself, but I start at 3.7ghz with 1.4v then stress test for a hour. Then adjust the voltage until it is stable. Then I start moving up. The highest possible oc I stress the min of 6 hours.
its not smart to just jump randomly on an overclock. read around ask anyone you should move slow and continuously test. I would never in my life try to take a 3.2ghz stock cpu to 3.7-3.9 in one fell swoop just because others can reach that. all chips are different.
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post #10 of 27
Thread Starter 
wow thanks dude, it booted just fine with these settings!

It seems that because my memory setting weren't set to stock it wouldnt let me boot with 2600 set to NB. I can't believe how many times i posted about this and everyone was telling my memory wasnt what was holding NB to 2400..

Anyways i tried rebooting a few times... it even boots @ 4,0GHZ with 1.5V

My memory used to be set at 1600 9-9-9-24 and i lowered it to 1333 7-7-7-21 to be able to boot with nb at 2600... am i going to lose any performence with this or is tighter timings better then speed?

also i have a question about HT. it's currently at stock 2000 and i've read that i should leave it at that but others say raising it give better performence... just google and it and you'll find dozen of articles that just contradicts each other... so whats the real deal? leave at 2000? or raise it? if i raise what voltage should i put?

Quote:
Originally Posted by IOSEFINI View Post
Your Voltages seem low

Try
CPU/NB @ 2600....1.35V
CPU @ 3.9GHz......1.50V(I think you will need more)
RAM Volt..............stock + 0.05-0.1V
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II 1090T 4.0GHZ 1.48V MSI 790FX-GD70 AM3 790FX ATX Asus EAH5870 Voltage Tweak G.Skill 8GB DDR3 1600MHZ TR3X6G1600C9 
Hard DriveOSMonitorKeyboard
Seagate 500GB Windows 7 Ultimate X64 HP LA2205wg HP 
PowerCaseMouseMouse Pad
OCZ GamerXstream 850WATT antec 900 HP HP 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II 1090T 4.0GHZ 1.48V MSI 790FX-GD70 AM3 790FX ATX Asus EAH5870 Voltage Tweak G.Skill 8GB DDR3 1600MHZ TR3X6G1600C9 
Hard DriveOSMonitorKeyboard
Seagate 500GB Windows 7 Ultimate X64 HP LA2205wg HP 
PowerCaseMouseMouse Pad
OCZ GamerXstream 850WATT antec 900 HP HP 
  hide details  
Reply
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