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 AMD® Socket AM2&AM3 Overclocking V24, Thuban or Bulldozer!? Its 6-Season

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saturn85
post Jan 18 2011, 07:33 AM

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5.06GHz on 1.616v. notworthy.gif
saturn85
post Jan 25 2011, 01:01 AM

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QUOTE(dafreak @ Jan 24 2011, 08:13 PM)
this is very tempting for folding. drool.gif
saturn85
post Jan 30 2011, 03:38 AM

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yea, looking forward to amd bulldozer.
found another here: biggrin.gif
Bulldozer Shines in 3D Gaming and Rendering: AMD
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saturn85
post Feb 11 2011, 02:15 PM

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QUOTE(ah_khoo @ Feb 11 2011, 02:10 PM)
cpu voltage if i remember correctly...  smile.gif
*
how about this source? unsure.gif
http://www.ocztechnologyforum.com/forum/sh...ll=1#post380767
it say cpu vdd voltage is the main thing to touch instead of cpu voltage? unsure.gif
i also confused. rclxub.gif
QUOTE
CPU-VDD and CPU-NB VDD are the VID voltages and all you really need to bother about. The 3rd and 4th options are offsets and not worth touching unless you want to go over 1.55V. Remember CPU Vid is higher than CPU-NB at default. Adding more CPU-NB voltage can add a lot of heat to the CPU...add voltage in tiny steps..not big jumps.

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saturn85
post Feb 11 2011, 02:33 PM

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QUOTE(ah_khoo @ Feb 11 2011, 02:18 PM)
thanks for pointin out bro, it's been a while since i last use d board. come to think of it, one has d options to choose either to play w vid only or leave vid untouched & play w/ d offsets. ofcoz, playin w/ vid is more direct but if offsets can be smaller decimal, why not rite?  smile.gif
*
hmm, because i m not clear how cpu vdd voltage and cpu voltage work.
these 2 voltage also direct contribute to vcore?
it is have to adjust either one? or need to adjust both?
if these 2 voltage adjusted to different value, then it will take which one to be vcore? unsure.gif

This post has been edited by saturn85: Feb 11 2011, 02:45 PM
saturn85
post Feb 11 2011, 08:43 PM

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QUOTE(kuntawakaw @ Feb 11 2011, 08:02 PM)
ok..lemme explain
using the term in the ss u posted.

cpu-vdd is the base vcore that the processor control how much to take it.
the real term for this (that amd uses) is cpu-vid as mention by ah khoo
the real value is like 1.35v , 1.375v like that (depends on proc, BE can go 1.55v, non-BE is lower)

for cpu-voltage, is mobo controlled.
the real value is 0.025 , 0.05 (depends on mobo how fine the value)
but for easy viewing, MSI make the value 1.36v ,1.37v.

so the vcore we seeing is cpu-vdd + cpu- voltage.
*
i see.
means the cpu vdd voltage on auto is the stock vcore of the cpu lo.
and cpu voltage is the offset voltage that add to the cpu stock vcore.
right?

let say an amd cpu come with 1.35v stock vcore.
if want to increase the vcore to 1.4v, have 2 options:
1) change cpu vdd voltage to 1.4v from auto, leave cpu voltage on auto (+0.00v).
2) leave cpu vdd voltage on auto (1.35v), change cpu voltage to +0.05v (equivalent to 1.4v on the msi board?)
or even
3) change the cpu vdd voltage to 1.3v from auto, and change the cpu voltage to +0.1v (equivalent to 1.45v on the msi board?)
is that like this? unsure.gif

This post has been edited by saturn85: Feb 11 2011, 08:47 PM
saturn85
post Feb 12 2011, 03:31 AM

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QUOTE(kuntawakaw @ Feb 11 2011, 10:34 PM)
1.yes
2. yes
3. it should be 1.4v

but msi not showing the cpu-voltage as offset. shown as real value. so will be user frenly,
but it is.

example:
cpu-vdd = 1.35
and u add one notch of cpu voltage, it will starts with 1.36v (let say the increment is 0.001v im fogot the real value already)

if cpu-vdd =1.50
u add one notch of cpu- voltage, it will starts with 1.51v
*
i see. get the idea already. biggrin.gif
saturn85
post Feb 12 2011, 06:58 PM

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QUOTE(louislkw @ Feb 12 2011, 06:55 PM)
I heard something dropping... biggrin.gif biggrin.gif
*
what is that? brows.gif
saturn85
post Feb 14 2011, 01:17 PM

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i think the lack of L3 cache does have impact on it. unsure.gif
saturn85
post Feb 17 2011, 04:27 PM

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value ram pull down my HTT clock. cry.gif
saturn85
post Feb 17 2011, 05:16 PM

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QUOTE(cloudwan @ Feb 17 2011, 04:55 PM)
Why pulak bro? U can always use lower ram divider hmm.gif Ker ur lower divider already made the ram running high? sweat.gif
*
hmm, the value ram prevent me to go beyond 265MHz HTT.
even with the lowest dram divider and loosen timing.
but i didn't try increase dram voltage, don't have active cooling on it. unsure.gif
saturn85
post Feb 17 2011, 09:40 PM

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QUOTE(kuntawakaw @ Feb 17 2011, 06:28 PM)
may i know ur board bro..and ur ram..
i think higher is possible with ur setup..
assuming u using ddr3.. with 265htt, 1066 divider will get u 14XXmhz ram..i think many value ram can handle this.. so try with 1066 divider 1st and see...
i encouterd soo many setups that dont like 800 ram divider.. so try with 1066..u might have higher chance..
btw, loosen timings..how loose? if like >CL 10, try make it max cl9 only.. i donno how true my guessings, but too loose wont help..
gambatte yo!!
*
hmm, i m using an older platform. sweat.gif
CPU: AMD Phenom FX-5000
Mainboard: DFI LANParty JR 790GX-M2RS (AM2+)
RAM: Kingston 2x2GB DDR2 800 value ram
QUOTE(keyo @ Feb 17 2011, 07:02 PM)
is it ok im unlock my phenom 555 be and increase my cpu multipler to x19 . i not gain my cpu volt is it ok or will harm my stuff can someone help me tq
*
yes, it is ok, as long as you clear about what you are doing. nod.gif
but without tweaking on vcore, doubt that it can hit the clock with cpu mutiplier of x19. unsure.gif
saturn85
post Feb 18 2011, 12:08 AM

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QUOTE(mukufuchi @ Feb 17 2011, 10:52 PM)
@saturn85
bro...referring to my last post here:
My Last Post
u were suggesting me to lowering my vcore and higher my cpu nb clock...its done and hoping it will lowered the temp..i guess.
But i cant make it to increase my core speed from 3.5ghz to 3.72ghz....BSOD soon after login the window...which part i miss?
*
lowering the vcore can help in reduce temperature. biggrin.gif
but increase cpu nb clock also need enough cpu nb voltage to do it. nod.gif

and now since you increase core clock to 3.72GHz,
means you already increase the base clock.
and that means you have to check every clock again,
since those clock are link to the base clock with their respective multiplier.
maybe cpu not enough voltage or dram clock not stable? unsure.gif
post cpuz screen shoot if you manage to get it. biggrin.gif
QUOTE(kuntawakaw @ Feb 17 2011, 11:36 PM)
ahh.. sorry. i dont have much exp on ddr2..
and those i said might not valid (cuz last time, 400 divider is the most prefered divider to me tongue.gif )
*
haha, last time the seller told me the culprit is value ram.
because he face same case before.
and after change to performance ram,
the HTT clock can push higher. biggrin.gif
saturn85
post Feb 18 2011, 12:24 AM

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QUOTE(kuntawakaw @ Feb 18 2011, 12:16 AM)
might be and might not..
but cuz i can say 26x is too low..i think most value ram can handle..
when we talk about >300htt then yes, perhaps we need high performance ram..
take a look.. a KVR can do just fine..
*
this is nice. drool.gif
DDR2 667 5-5-5-15 ram at DDR2 800 4-4-4-10 speed. notworthy.gif
but how about the dram voltage for this?
and what is the software that show all the dram timing there? brows.gif
saturn85
post Feb 18 2011, 12:48 AM

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QUOTE(kuntawakaw @ Feb 18 2011, 12:32 AM)
800 4-4-4 is not a wow i guess bro..

btw, it is CPU tweaker.
u can use AOD also, i like AOD more cuz its richer (by few only  laugh.gif  ) but the only turn down is applying the setting takes some time..

dram voltage is per AOD.. mem vddq.. 2.75v (i believe i set 2.1v in bios.. not so sure, old SS )
*
haha, but for me, it is. tongue.gif
but DDR2 value ram can stand 2.1v? and without active cooling on it.
some overclocking guide state dram voltage is most sensitive voltage among them.
improper use of it will result in burning dram chips. sad.gif
so i usually didn't touch dram voltage,
and don't know how is the safe way to play with dram voltage. sweat.gif
saturn85
post Feb 18 2011, 01:16 AM

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QUOTE(kuntawakaw @ Feb 18 2011, 01:00 AM)
well.. depends on the ram chip itself..
u touch it, if not hot, then ok..if hot..then not ok..

in my case, 2.1v is very2 ok,but max i will go for daily usage.. not like our risk taker.good tweaker sir antonio.. set his ddr3 to 2.4v iinm  laugh.gif

1 ram that i know is hot is tracer.. with d9s inside.. but some models have rated voltage 2.1v..so still i think even its hot,it can stand the heat and the vdimm..huu

if u afraid getting ur sticks killed, so better not.. make 2.0v max.. btw, ur KVR using what chip/ic?
*
i see.
hmm, i didn't really pay attention to the chips. sweat.gif
later when i clean up casing only see la. biggrin.gif
saturn85
post Feb 19 2011, 04:12 AM

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QUOTE(suhuann @ Feb 18 2011, 10:31 PM)
Hello friends, sharing some results of my overclocking.. Not very impressive though, however I am very happy with it.

AMD Sempron 140@Unlocked | 3.6GHz | suhuann | MSI 785GTM-E45 : BIOS v8.6 | Crucial DDR2 | 1068MHz | 5-5-5-15 | Cocage MST-140

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nice overclock there. biggrin.gif
saturn85
post Feb 21 2011, 03:16 AM

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220MHz x 10/3 = 733MHz
equivalent to DDR3 1466. biggrin.gif
saturn85
post Feb 25 2011, 09:55 PM

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Q2 is coming. AM3+.. rclxm9.gif
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This post has been edited by saturn85: Feb 25 2011, 10:06 PM
saturn85
post Mar 6 2011, 04:15 AM

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AM3+ socket originally have how many pin? unsure.gif

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