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Athlon II Overclocking Guide (beginner friendly) - Page 34

post #331 of 356
Quote:
Originally Posted by andella View Post

hey ronnin426850 can you help me, i want to OC my athlon II x2 250 to 4GHZ, if i increased my refrence clock to 270x15 = 4050GHZ, NB x7, HT x7, but my PC cant reboot to windows, i have back to BIOS and set Vcore 1.425 to 1.485 but cant reboot too, i have back to BIOS again set Vcore 1.485 to 1.505 but STILL cant REBOOT, can you help me? wheres is my problem?

its my PC SPEC
athlon II x2 250
gigabyte ga-78lmt-usb3
gskill ripjaws ddr3-1600MHZ
NVIDIA GTS 250


You are going to cook your cpu really quick with those voltages.
post #332 of 356
Quote:
Originally Posted by chrisjames61 View Post

You are going to cook your cpu really quick with those voltages.

yap maybe i did something wrong, can you help me? how i can boot to windows with 4GHZ clockspeed
post #333 of 356
Thread Starter 
Quote:
Originally Posted by andella View Post

hey ronnin426850 can you help me, i want to OC my athlon II x2 250 to 4GHZ, if i increased my refrence clock to 270x15 = 4050GHZ, NB x7, HT x7, but my PC cant reboot to windows, i have back to BIOS and set Vcore 1.425 to 1.485 but cant reboot too, i have back to BIOS again set Vcore 1.485 to 1.505 but STILL cant REBOOT, can you help me? wheres is my problem?

its my PC SPEC
athlon II x2 250
gigabyte ga-78lmt-usb3
gskill ripjaws ddr3-1600MHZ
NVIDIA GTS 250

Lord Allmighty, are you trying to push 1.5v on a 4 phase mobo? Good thing you have a dualcore, had that been a quad, I bet the mobo would have combusted already, despite the heatsink smile.gif

I would guess you're hitting the ceiling of either the mobo's abilities, or the CPU itself. I remember I had a very tough time trying to get stable 4Ghz, and eventually reverted back to 3.75 Ghz.

Unfortunately I have been out of the Athlon2 loop for a while now, and can't give you any more specific advice... Sorry
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post #334 of 356
Quote:
Originally Posted by ronnin426850 View Post

Lord Allmighty, are you trying to push 1.5v on a 4 phase mobo? Good thing you have a dualcore, had that been a quad, I bet the mobo would have combusted already, despite the heatsink smile.gif

I would guess you're hitting the ceiling of either the mobo's abilities, or the CPU itself. I remember I had a very tough time trying to get stable 4Ghz, and eventually reverted back to 3.75 Ghz.

Unfortunately I have been out of the Athlon2 loop for a while now, and can't give you any more specific advice... Sorry

thanks for your answer Mr.ronin fortunately my board not burned yet..haha and i set back my BIOS to default again, maybe i did it wrong, but i want to learn it, so you think what should i do, increase vcore 1.425 to 1.43 just +0.005 step or i must decrease the reff to 240 in order to boot again to windows??
post #335 of 356
Quote:
Originally Posted by raven4d View Post

do you think that using 4 ram chips is overloading the ram controller ?

Yup, the IMC in the K10 series didn't really play well with more DIMMS when overclocking, as they put more strain on the IMC. Most people stuck to Dual Channel and two slots at most, when OCing.
Quote:
Originally Posted by andella View Post

hey ronnin426850 can you help me, i want to OC my athlon II x2 250 to 4GHZ, if i increased my refrence clock to 270x15 = 4050GHZ, NB x7, HT x7, but my PC cant reboot to windows, i have back to BIOS and set Vcore 1.425 to 1.485 but cant reboot too, i have back to BIOS again set Vcore 1.485 to 1.505 but STILL cant REBOOT, can you help me? wheres is my problem?

its my PC SPEC
athlon II x2 250
gigabyte ga-78lmt-usb3
gskill ripjaws ddr3-1600MHZ
NVIDIA GTS 250

Quote:
Originally Posted by andella View Post

Quote:
Originally Posted by chrisjames61 View Post

You are going to cook your cpu really quick with those voltages.

yap maybe i did something wrong, can you help me? how i can boot to windows with 4GHZ clockspeed

Honestly, there' are two other factors that haven't been covered in your quest, at least not that I've seen.

Firstly, is your CPU C2 or C3 stepping? (In CPU-Z it shows the stepping of the CPU on the upper-mid right side).
C2's were older revisions, and weren't as overclockable as the newer C3 revisions.
C2's typically hit a wall at around 3.5-3.7Ghz (motherboard and silicon lottery dependant) or 500-700Mhz over stock clocks, whereas C3 were able to push a bit further, typically 800Mhz and above (dependant).

Dependant on your revision, I'd lower the bar and aim for 3.6/3.8GHz as your max, with 1.42-1.45Vcore max (then refine lower when you've got a good OC), with good cooling etc, 1.39-1.42v is a good area.

Another key factor to keep in mind, is that 270FSB may simply be too high, some didn't like much passed 250Mhz, hence the reason for unlocked multiplier (Black Edition) versions.

Best of luck.thumb.gif

[EDIT]
Quote:
Originally Posted by ronnin426850 View Post


Lord Allmighty, are you trying to push 1.5v on a 4 phase mobo? Good thing you have a dualcore, had that been a quad, I bet the mobo would have combusted already, despite the heatsink smile.gif

I would guess you're hitting the ceiling of either the mobo's abilities, or the CPU itself. I remember I had a very tough time trying to get stable 4Ghz, and eventually reverted back to 3.75 Ghz.

Unfortunately I have been out of the Athlon2 loop for a while now, and can't give you any more specific advice... Sorry

Nah, the 78LMT-USB3 later revisions had a pretty solid VRM, despite their 4+1 layout. They were good for Thuban X6's and even were able to take FX8 series with some reasonable/light OCing, and would just throttle at the VRMs (although I certainly wouldn't recommend over 1.45v or so tbh).
FX6's and Phenom II X4's were their most comfortable range I'd say (no real record breakers with the FX6 but some were able to get high OCs before throttling), but were certainly nothing to be wary of pushing voltages and anything over X4's like alot of MSi's boards. smile.gif

Obviously not a go-to board for OCing, but held their own well for a budget board, for sure.

You're obviously spot on for the rest, I wouldn't really push into 1.5v+ realms even with a good board and cooling, personally. That little increase in MHz for the increase in voltage/heat just isn't worth it for the ego of a number. Find what's a good balance of voltage and actual performance increase. biggrin.gif
Edited by EvoBeardy - 4/14/17 at 12:17pm
 
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post #336 of 356
Quote:
Originally Posted by EvoBeardy View Post

Yup, the IMC in the K10 series didn't really play well with more DIMMS when overclocking, as they put more strain on the IMC. Most people stuck to Dual Channel and two slots at most, when OCing.

Honestly, there' are two other factors that haven't been covered in your quest, at least not that I've seen.

Firstly, is your CPU C2 or C3 stepping? (In CPU-Z it shows the stepping of the CPU on the upper-mid right side).
C2's were older revisions, and weren't as overclockable as the newer C3 revisions.
C2's typically hit a wall at around 3.5-3.7Ghz (motherboard and silicon lottery dependant) or 500-700Mhz over stock clocks, whereas C3 were able to push a bit further, typically 800Mhz and above (dependant).

Dependant on your revision, I'd lower the bar and aim for 3.6/3.8GHz as your max, with 1.42-1.45Vcore max (then refine lower when you've got a good OC), with good cooling etc, 1.39-1.42v is a good area.

Another key factor to keep in mind, is that 270FSB may simply be too high, some didn't like much passed 250Mhz, hence the reason for unlocked multiplier (Black Edition) versions.

Best of luck.thumb.gif

[EDIT]
Nah, the 78LMT-USB3 later revisions had a pretty solid VRM, despite their 4+1 layout. They were good for Thuban X6's and even were able to take FX8 series with some reasonable/light OCing, and would just throttle at the VRMs (although I certainly wouldn't recommend over 1.45v or so tbh).
FX6's and Phenom II X4's were their most comfortable range I'd say (no real record breakers with the FX6 but some were able to get high OCs before throttling), but were certainly nothing to be wary of pushing voltages and anything over X4's like alot of MSi's boards. smile.gif

Obviously not a go-to board for OCing, but held their own well for a budget board, for sure.

You're obviously spot on for the rest, I wouldn't really push into 1.5v+ realms even with a good board and cooling, personally. That little increase in MHz for the increase in voltage/heat just isn't worth it for the ego of a number. Find what's a good balance of voltage and actual performance increase. biggrin.gif
Yah I already seeing my CPU-z, and you're right its C2 and as you said its max 3,5-3,6ghz(240x15) stable tested with linX 10min, over 3,6ghz I can't boot into windows, its maybe right 3,6ghz is MAX, so I had to forget increase to 4GHZ...hahaha

Thanks, glad to read your answer its very helpfull:)
post #337 of 356
Quote:
Originally Posted by EvoBeardy View Post

Yup, the IMC in the K10 series didn't really play well with more DIMMS when overclocking, as they put more strain on the IMC. Most people stuck to Dual Channel and two slots at most, when OCing.

Honestly, there' are two other factors that haven't been covered in your quest, at least not that I've seen.

Firstly, is your CPU C2 or C3 stepping? (In CPU-Z it shows the stepping of the CPU on the upper-mid right side).
C2's were older revisions, and weren't as overclockable as the newer C3 revisions.
C2's typically hit a wall at around 3.5-3.7Ghz (motherboard and silicon lottery dependant) or 500-700Mhz over stock clocks, whereas C3 were able to push a bit further, typically 800Mhz and above (dependant).

Dependant on your revision, I'd lower the bar and aim for 3.6/3.8GHz as your max, with 1.42-1.45Vcore max (then refine lower when you've got a good OC), with good cooling etc, 1.39-1.42v is a good area.

Another key factor to keep in mind, is that 270FSB may simply be too high, some didn't like much passed 250Mhz, hence the reason for unlocked multiplier (Black Edition) versions.

Best of luck.thumb.gif

[EDIT]
Nah, the 78LMT-USB3 later revisions had a pretty solid VRM, despite their 4+1 layout. They were good for Thuban X6's and even were able to take FX8 series with some reasonable/light OCing, and would just throttle at the VRMs (although I certainly wouldn't recommend over 1.45v or so tbh).
FX6's and Phenom II X4's were their most comfortable range I'd say (no real record breakers with the FX6 but some were able to get high OCs before throttling), but were certainly nothing to be wary of pushing voltages and anything over X4's like alot of MSi's boards. smile.gif

Obviously not a go-to board for OCing, but held their own well for a budget board, for sure.

You're obviously spot on for the rest, I wouldn't really push into 1.5v+ realms even with a good board and cooling, personally. That little increase in MHz for the increase in voltage/heat just isn't worth it for the ego of a number. Find what's a good balance of voltage and actual performance increase. biggrin.gif
Glad to read your answer its very helpful smile.gif
I already seeing my CPU-Z and its C2 as you said is 3,5-3,6GHZ, you're right I try increase to 3,6GHZ(240x15) its stable tested with linX 10min, over 3,6GHZ I can't boot into windows, yeah I think its 3,6GHZ MAX at 1,425v, I think I had to forget increase to 4GHZ...hahaha

But thanks...
post #338 of 356
Sorry I want to ask again, I try test my oc use linX, I set it 10min, but in elapse time going until 30min still running? How to setting the linX test?

Thanks
post #339 of 356
Thread Starter 
Quote:
Originally Posted by EvoBeardy View Post

Nah, the 78LMT-USB3 later revisions had a pretty solid VRM, despite their 4+1 layout. They were good for Thuban X6's and even were able to take FX8 series with some reasonable/light OCing, and would just throttle at the VRMs (although I certainly wouldn't recommend over 1.45v or so tbh).
FX6's and Phenom II X4's were their most comfortable range I'd say (no real record breakers with the FX6 but some were able to get high OCs before throttling), but were certainly nothing to be wary of pushing voltages and anything over X4's like alot of MSi's boards. smile.gif

Obviously not a go-to board for OCing, but held their own well for a budget board, for sure.

You're obviously spot on for the rest, I wouldn't really push into 1.5v+ realms even with a good board and cooling, personally. That little increase in MHz for the increase in voltage/heat just isn't worth it for the ego of a number. Find what's a good balance of voltage and actual performance increase. biggrin.gif

It's not about the ability of the VRM to handle load, it's about how clean the output is. When high voltage is channeled through few phases, the output ripples and peeks, causing massive instabilities at times. The VRM may be able to handle 140W at 1.3V, yet fail with 90W at 1.5V
And I'm not talking about a mechanical or electrical "failure", but fail to feed the CPU the clean current it needs to boot.
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post #340 of 356
Quote:
Originally Posted by ronnin426850 View Post

It's not about the ability of the VRM to handle load, it's about how clean the output is. When high voltage is channeled through few phases, the output ripples and peeks, causing massive instabilities at times. The VRM may be able to handle 140W at 1.3V, yet fail with 90W at 1.5V
And I'm not talking about a mechanical or electrical "failure", but fail to feed the CPU the clean current it needs to boot.

Oh I don't doubt that at all, I do understand switching of phases and stable current and I'm not trying to argue with you, all that you've done with this thread is extremely helpful to everyone and is greatly appreciated.

A lot of boards these days use doublers as you well know, which doesn't help at all with ripple suppression, his motherboard does have superior FETs when you compare them to the ones used by MSI on the boards that plagued Thuban users (and even some Deneb) initially. So I just wanted to ensure they have a little more information than just their board has low phases for typical overclocking therefor it sucks. biggrin.gif
The person in question isn't outputting more rating than the FETs can handle even with a quad core, and we've both suggested they stay well under the maximum recommended voltage of the CPU anyway (1.55v). I'd be more worried about a poor quality PSU causing damage than the VRM on that board, under the voltage and on the CPU's I mentioned.
He also has decent thermal protection with that board that will induce throttling under duress, and as most people will easily recognise throttling, they won't keep the VRM as close to spec and turn it down, knowing they've approached the limits of their board or the cooling capabilities at least.

Like I said, I'm not trying to argue, I have no doubts that you're much more knowledgable than I am, and what I've stated is more information for others, than trying to mention things you already are well aware of, just essentially scaring them away from throwing a quad core at 1.5v in his particular board (I certainly don't recommend that high at all but still), seems a little harsh, especially when his particular motherboard has one of the strongest/cleanest VRM's for the price range.
In an idea world, no doubt I'll always recommend a true 6/8 phase with good quality FETs, but if they don't have money to upgrade a board, but can get ahold of an X4 in the future or even an FX6/Thuban with mild OC, when their board can handle that, I don't want to scare them away from getting the most out of their components, nor anyone else that happens to read that, if that makes sense?

We're all trying to work together here, and in no way am I trying to discredit what you say, just telling them their particular motherboard could combust with an x4 at 1.5v, when it's actually not a bad board for its design, seemed a little drastic. smile.gif
 
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PowerCaseMouseMouse Pad
l XFX Pro 650W Core Ed. l l CM Storm Scout™ l l Logitech G502 l l Steelseries QcK l 
AudioAudio
l Creative Fatal1ty HS-800 V2 l l Logitech LS21 l 
CPUMotherboardGraphicsRAM
G3258 @4Ghz MSI Z97I Gaming AC MSI GTX 460 Crucial Ballistix Sport 1600MHz 8GB 
Hard DriveHard DriveOptical DriveCooling
Samsung 840 Evo 128GB Toshiba DT01ACA100 1TB Optiarc 7170S Corsair H60 
OSKeyboardPowerCase
Windows 7 x64 Logitech K400 Wireless Touch Cooler Master Silent Pro M2 520w Modular Cooler Master Elite 130 
Mouse
Logitech M187 
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Exia R2
(22 items)
 
Unicorn SD
(13 items)
 
CPUMotherboardGraphicsRAM
l Intel® Core™ i7-5820K l l MSI X99A SLI Krait Edition l l MSI GTX 980Ti Gaming 6G l l Corsair Dominator® Platinum (4x4GB) DDR4 3Ghz l 
Hard DriveHard DriveHard DriveHard Drive
| Samsung PM951 M.2 PCI-e NVMe 512GB | l Samsung 840 Evo 500GB l l Toshiba X300 4TB 128MB Cache l l Toshiba MD04ACA400 4TB l 
Hard DriveHard DriveOptical DriveCooling
l Toshiba DT01ACA300 3TB (x3) l l Samsung F3 1TB l l Pioneer BDR-209EBK l l NZXT Kraken X61 (2x Noctua NF-A14-2000-IP67) l 
CoolingOSMonitorMonitor
l Phobya MaxGuide 6 Controller l l Windows 7 x64 Customised. l l Acer Predator XB240H 144Hz G-Sync l l LG M2380D 1080p l  
KeyboardPowerCaseMouse
l Logitech G19s l  l EVGA SuperNOVA G2 850w l l CM Storm Stryker™ l  l Logitech G502 l  
Mouse PadAudioAudioAudio
l Razer Vespula l l Logitech Z506 5.1 l l Steelseries Siberia V2 MSI Gaming Edition l l Creative Fatal1ty HS-800 V2 l 
CPUMotherboardGraphicsRAM
l Phenom II x4 960T BE (@x6 3838MHz) l l Asus Crosshair IV Formula l  l MSI GTX 570 PE/OC l l 8GB Crucial Ballistix Tactical 1600MHz (@170... 
Hard DriveHard DriveHard DriveHard Drive
l Samsung 840 Evo 500GB l l Samsung F3 1TB X2 l l Maxtor DiamondMax 750GB 32MB l l Samsung F4 2TB l 
Hard DriveOptical DriveCoolingCooling
l Toshiba DT01ACA300 x2 l l Pioneer BDR-209EBK l l Scythe Kama Angle Rev.B (With Scythe GT 1850R... l 4x120mm, 2x140mm Case Fans (CM + Scythe) l 
CoolingOSMonitorKeyboard
l Aerocool Cooltouch R l l Windows 7 x64 nVidia Ed. l l LG M2380D 1080p l l Logitech G15 l 
PowerCaseMouseMouse Pad
l XFX Pro 650W Core Ed. l l CM Storm Scout™ l l Logitech G502 l l Steelseries QcK l 
AudioAudio
l Creative Fatal1ty HS-800 V2 l l Logitech LS21 l 
CPUMotherboardGraphicsRAM
G3258 @4Ghz MSI Z97I Gaming AC MSI GTX 460 Crucial Ballistix Sport 1600MHz 8GB 
Hard DriveHard DriveOptical DriveCooling
Samsung 840 Evo 128GB Toshiba DT01ACA100 1TB Optiarc 7170S Corsair H60 
OSKeyboardPowerCase
Windows 7 x64 Logitech K400 Wireless Touch Cooler Master Silent Pro M2 520w Modular Cooler Master Elite 130 
Mouse
Logitech M187 
  hide details  
Reply
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