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  Topic : [Others]AMD 965 Black Edition Bios Setting New Topic
KanaChan
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From: Paraguay
Posted:11/14/2009 11:08:00 AM # 1
Hi, i`ve already read that auto setting give more voltage than necessary to the CPU.
I`m not trying to overclock the CPU, what settings you recommend for an AMD 965 Black Edition?

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Asus M4A79T-Deluxe || AMD 965BE || 2GiB Corsair XMS3 9-9-9-24 || nVidia GTX260 BE || Seagate Sata II 1TiB
Ulrich
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Posted:11/14/2009 12:22:00 PM # 2

Hi KC..

The 965, depending on exactly which version you have (C2 or C3), has a maximum voltage specification about 1.4vdc...  So something near 1.25vdc might be a good place to start.

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There are 10 kinds of people in the World...Those who understand binary, and those who dont!
Ulrich
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Posted:11/15/2009 12:56:00 AM # 3
Reset


 

Hi KC..

The 965, depending on exactly which version you have (C2 or C3), has a maximum voltage specification about 1.4vdc...  So something near 1.25vdc might be a good place to start.

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There are 10 kinds of people in the World...Those who understand binary, and those who dont!
KanaChan
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From: Paraguay
Posted:11/15/2009 2:38:00 PM # 4
Hi U! :D

I just checked the version and is the C2

I found this info using the box part number (hdz965fbgibox) as reference

V core (V) : 0.85 - 1.425

This is mentioned, so i have to try from 1.25 until a stable result?
there are other settings like CPU/NB Voltage? should i leave it on Auto? is there any tutorial that you recommend where i can learn about this? Again Thank you Ulrich :D i`m newbie in this area.

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Tonyb
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Posted:11/16/2009 12:06:00 AM # 5
I only have the 955 which runs quite happily on auto at 3.7ghz as you can see from my signature, on auto settings the bios increases the core overvoltage by 0.1v when you overclock but the board has a voltage droop which drops the core voltage by 0.0250, so as the default core on auto is 1.35v adding the overvoltage brings it up to 1.45v but with the droop the voltage actua1ly is 1.425 at 3.7ghz. In windows CPU-Z, Core temp and Everest show the core as 1.35 whereas AMD Overdrive shows the overvoltage as well. Unlike previous Phenoms I have found no need to increase the CPU/NB voltage. Tutorials are only any good as a guide as no 2 CPU's or boards are the same so it is still trial and error. If you have no intention of overclocking your CPU or ram you will be fine on auto except for the ram timings and voltage which you should set to the manufacturers recommendations. If you decide to overclock, your CPU will be fine at 3.6ghz without changing anything from auto, as it is a 965 it might be ok at 3.7ghz with no changes.

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Ulrich
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Posted:11/17/2009 10:33:00 PM # 6
Hi KC..

I think that it would be best to leave the settings at 'Auto' and then see how you get along.  You mentioned originally that you were concerned that the BIOS would provide too much voltage... that shouldn't happen but you can sometimes get an indication about it by checking the processor temperature.  Too much Vcore voltage will cause a processor to run a bit hot. 

The BIOS should set all the voltages properly for stable opperation.  Generally, it is only when you overclock that you would want to do any processor voltage adjustment.

There are many tutorials regarding overclocking, but you don't want to do that...  As far as adjusting specific BIOS settings, see how things go and then post back and someone can help you make adjustments in the BIOS if necessary.

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cab
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Posted:11/18/2009 9:50:00 PM # 7

Quote:
Author: Tonyb Posted: 11/16/2009 12:06:00 AM

I only have the 955 which runs quite happily on auto at 3.7ghz as you can see from my signature, on auto settings the bios increases the core overvoltage by 0.1v when you overclock but the board has a voltage droop which drops the core voltage by 0.0250, so as the default core on auto is 1.35v adding the overvoltage brings it up to 1.45v but with the droop the voltage actua1ly is 1.425 at 3.7ghz. In windows CPU-Z, Core temp and Everest show the core as 1.35 whereas AMD Overdrive shows the overvoltage as well. Unlike previous Phenoms I have found no need to increase the CPU/NB voltage. Tutorials are only any good as a guide as no 2 CPU's or boards are the same so it is still trial and error. If you have no intention of overclocking your CPU or ram you will be fine on auto except for the ram timings and voltage which you should set to the manufacturers recommendations. If you decide to overclock, your CPU will be fine at 3.6ghz without changing anything from auto, as it is a 965 it might be ok at 3.7ghz with no changes.


Yep CPUs & mobos can be quite different. I too have found the sweet spot at 1.425 volt and 3.7GHz a straightforward OC 200x18.5, except this particular 550BE runs incredibly cool with a Ninja HS.

Have you measured power consumption at the wall on your 955? My whole system idles at 52 watt, quite amazing.






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Tonyb
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Posted:11/19/2009 8:13:00 PM # 8
Haven't got a clue to be honest, this machine is part of a 4 box network and I haven't bothered checking power consumption on any of them. I waiting for delivery on a 965 125 watt CPU.

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Windows 7 Pro 64 bit, O/S, Thermaltake Kandalf case (extensively modded), SABERTOOTH 990 FX, Bios ver.0813, FX 8150 , 2x G.SKILL RipjawsX F3-17000CL9D-8GBXLD (16gig) @ 2133mhz 9-11-9-28-40-1T, 2x ATI HD5870 Crossfired, Coolermaster Silent Pro Gold 1200watt PSU, Corsair Force Series 3 120GB SSD 3x1 terabyte Seagate barracuda drives, Tribe VX water cooling, 2x24" Asus VH242 HDMI Monitors, 1 LG 24", 1 Samsung 32" HDMI.

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Posted:11/20/2009 5:17:00 AM # 9
TBH, you should never leave any of your BIOS settings (Frequency, Voltage and Timings) on AUTO.  Doing so results in an unstable environment.  It allows the system to auto choose these settings and you will run across times where the system will crash doing various things....typically things that tax your resources such as, running several apps at once, encoding video, converting video, gaming...to name a few.  A great way to know if your system is stable at any setting is to run it agains Prime95 for at least 6 hours....watch your temps....if you complete Prime95 in 6 hours you know your system is stable at those settings.....FYI, Prime 95 will not test your clocks on your graphics cards.

Another great way to tell if your system is stable is to run Super PI and choose the 32M setting.

Do some research on your hardware....figure out the normal specs for them and set them in the BIOS.  Save the profile insuch cases as your system hangs or crashes so that you can reload them easily.  This is a great way to learn your system and can aid you in future instances where you need to troubleshoot.

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