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 AMD® Socket AM2&AM3 Overclocking V25, 990FX, Bulldozer!

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ah_khoo
post Apr 28 2012, 12:32 AM

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QUOTE(kimonorish @ Apr 27 2012, 08:02 PM)
I already do what you say it , i can set to 300x9 =2.7Ghz and it pass stable with 400 ram divider.
i just can`t get to 3.2Ghz ... so for now my stable overclock at 3.1ghz test with prime95 1 hour ( 248x12.5 .)
so, i just want my ram frequency runs at 400mhz
i set my ram divider and FSB from 533-667 can`t get 400mhz timing
now my ram divider is 667 , frequency 388.0 .

sorry
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d thing with am2 is, diff CPU multiplier will affect ram freq, even ram divider is fixed. pls refer to d table below:

user posted image
ah_khoo
post Apr 30 2012, 10:04 PM

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QUOTE(kimonorish @ Apr 28 2012, 02:26 PM)
fail to boot at bios option and make long beep .
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u gotta check whether it's memory or cpu clock is causing d instability. lower either ram divider or cpu multiplier one at a time so that u can find out d culprit. smile.gif

This post has been edited by ah_khoo: May 1 2012, 12:31 AM
ah_khoo
post May 3 2012, 11:26 PM

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QUOTE(cloudwan @ May 3 2012, 09:28 PM)
Hurrhhhhh maybe a combo of PII X4 960T + Asus M5A97 + DDR3 would do the trick?  :/hmm:  :/hmm:
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that's a good choice there sir. notworthy.gif

QUOTE(makaroni @ May 3 2012, 11:05 PM)
hi all sifu, wanna ask something, between 1333 & 1600 ram, the performance is close or 1600 is far better performance from 1333 ram?
i just bought corsair vengeance 1333Mhz 8GB & now im thinking why i just didnt buy corsair vengeance 1600Mhz..
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for normal day-to-day activities, quantity > quality. as for benchies, u can directly compare freq to freq, timing does matter too. smile.gif

QUOTE(dafreak @ May 3 2012, 11:11 PM)
if you are not running benchmarks 1333 is enough smile.gif

you wont notice any difference between 1333 and 1600 in real life applications anyway....
*
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ah_khoo
post May 3 2012, 11:35 PM

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QUOTE(makaroni @ May 3 2012, 11:30 PM)
ok thanks for the info btw before this i only use 2GB kingston value ram which is give me super duper lagging when i run photoshop CS5 with other program run, after i upgrade, i really feel the big different in performance..
no more lagging now, all application run very smooth & fast btw my pc is now is 10GB ram (8GB + 2GB)  rclxms.gif
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if ur not fully utilizin 10GB i'd suggest leavin d system run 8GB (2x4GB), performance wise dual channel is better than single channel (2x4GB + 1 x2GB). smile.gif
ah_khoo
post May 3 2012, 11:56 PM

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QUOTE(makaroni @ May 3 2012, 11:50 PM)
my ram is running dual channel now 2x4GB + 2x1GB  biggrin.gif

2x1GB is the 1st DDR3 ram i bought 2 years ago, that time 1GB DDR3 is RM130, so expensive  sad.gif , i bought 1GB 1st & then 4 month later i bought again 1GB until today i upgrade
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oh my bad, if that's d case just nice then... if u don't oc 2 x dual channel is ok, but if u do, that will limit ya ram oc mileage. wink.gif
ah_khoo
post May 4 2012, 07:24 PM

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QUOTE(makaroni @ May 4 2012, 03:36 PM)
here is my spec

Processor : AMD Athlon II X3 435 unlock to 4 core Phenom II X4 B35
Mobo : M4A77TD PRO
Ram : 2x4GB Corsair Vengeance CL9 + 2x1GB Kingstone value ram
GC : Asus HD4670 128 bit
Power Supply : Silverstone Strider 500w

better if i use only 2x4GB & oc or just use current setting without oc? which is more fast between this 2 setting?
my ram speed is 1333Mhz, so is it true i cant use 1600 ram due to limited memory support on Athlon series?
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with all dimm slot occupied, u mite wanna consider runnin d sticks @ 2t. it's hard to run 1t with 4 sticks when freq is at 1600Mhz or above. smile.gif
ah_khoo
post May 4 2012, 08:58 PM

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crash as in auto reboot or BSOD? unsure.gif
ah_khoo
post May 4 2012, 09:10 PM

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QUOTE(makaroni @ May 4 2012, 09:04 PM)
BSOD bro, any advice?
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disable auto restart & jot down d error code:

Common BSOD Error Code List for Overclocking

*credits to overclock.net
ah_khoo
post May 11 2012, 10:12 AM

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QUOTE(makaroni @ May 11 2012, 08:03 AM)
i think need to find other ram as im pretty sure CL11 is the far that this ram can go with 1800..the only speed i can manage to get CL8 is 1100  rclxub.gif , feel disappointed Corsair Vengeance performance only this kind of level..
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vengeance is like low end gskill ripjaws x series, oc mileage is kinda limited. but to be fair to 'em, their pricin are quite close to value ram so one better dont expect too much. gone were d days where we pay peanuts & get good stuffs, like those old skool kvr (with quite oc'able chips) days. smile.gif


ah_khoo
post May 11 2012, 12:32 PM

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i seldom play with high ram freq when i was on 7xx series so i'm not that sure that winova ram can hit d expected freq. i've only tested asus m4a88td-v evo /usb3 of 8xx series so i dare not to comment all will get same mileage. one thing i noticed is usually ram mileage are slightly better on asus board in 8xx series & 9xx series. had a short spell with 990fxa-gd-80 too, ram mileage is also impressive. smile.gif
ah_khoo
post May 11 2012, 02:46 PM

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QUOTE(makaroni @ May 11 2012, 02:39 PM)
i see, so mobo is important too if want to oc ram, i didnt know this before  biggrin.gif
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for good ram oc mileage u gotta need a decent board, imc & ram itself of course. smile.gif
ah_khoo
post May 17 2012, 09:17 PM

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QUOTE(cloudwan @ May 17 2012, 08:14 PM)
What is ADM bro? bwahahaha...

Hahaha yup the elite is a very tall ram yoo, can't fit under D14..  doh.gif  doh.gif  sweat.gif  laugh.gif
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i'd gladly swap it with my vengeance red bro... suit ya CHV theme some more... u want??? brows.gif
ah_khoo
post May 22 2012, 04:37 PM

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fx can take d beatings, but some boards can't. even those can one is recommended to actively cool d pwm. fx8 draw too much power when oc'ed... sad.gif
ah_khoo
post May 22 2012, 05:37 PM

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cpu-nb volt? try toplay with LLC too if possible. this was my attempt b4:

http://forum.lowyat.net/index.php?act=Atta...post&id=2636318
ah_khoo
post May 22 2012, 06:14 PM

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QUOTE(EdwinCodec @ May 22 2012, 05:50 PM)
Cpu-nb volt i put 1.412 also. What's LLC? I'm a newbie. Just started with overclocking yesterday >.> mind teaching me bro? Ah! You got a nice settings there! rclxms.gif
Wow! Your vcore volt is only 1.36+. Should i lower mine? Btw, the bus should be raise or just keep it at 200? o.O
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lower d cpu-nb voltage abit, keep it below 1.35v for 24/7, high cpu-nb mite degrade d chip in long run. LLC = load line calibration, do some reading on it if u have time. usually, i'll put cpu @ ultra high, cpu-nb @ high. smile.gif

This post has been edited by ah_khoo: May 22 2012, 06:15 PM
ah_khoo
post May 22 2012, 06:28 PM

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QUOTE(EdwinCodec @ May 22 2012, 06:20 PM)
Damn. Got to learn more from you guys lol. Gonna do some reading and research on it. Alright, I will try keeping it low. How about the CPU voltage? Keep it at 1.412v? or?
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i wont go too high on vcore as well if fx8 is in use, 1.4v still considered ok, if ur targettin higher clock then u better think of wc d pwm coz with fx8, am more concern with cpu temp & pwm rather than d volt itself. wink.gif
ah_khoo
post Jun 6 2012, 04:59 PM

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QUOTE(amyhs99 @ Jun 6 2012, 02:07 PM)
Having some problem on overclocking a fx4100. I have to turn on and off turbo cache every time, if not my speed will now stable.. Any way to fix it?
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may i know whether turbo core option is enabled/disabled in bios? what's ya oc'ed cpu freq, ram speed (& timing), imc freq & d voltages for d 3? smile.gif
ah_khoo
post Jun 7 2012, 10:36 AM

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QUOTE(amyhs99 @ Jun 7 2012, 01:22 AM)
Btw, can i believe this idle temperature? My ambient temp is 23C  rclxub.gif
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always refer to cpu temp as d real temp. i dun take coretemp as cpu temp nemore since d good old days of brisby. tongue.gif

try to lower d vcore if possible, may i know which board ur using ritenow? hmm.gif
ah_khoo
post Jun 7 2012, 02:29 PM

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instable oc... pretty coomon among fx users. either add vcore or lower d clock will do. smile.gif
ah_khoo
post Jun 7 2012, 02:57 PM

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QUOTE(amyhs99 @ Jun 7 2012, 02:46 PM)
Priming 4.5GHz @ 1.5000V, but error came out..  sad.gif
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mebe it's d limit of ya chip. try to play with LLC see whether it helps or not. smile.gif


my diff attempts, one considered decent while another lemon... sweat.gif

http://forum.lowyat.net/index.php?act=Atta...post&id=2717052

http://forum.lowyat.net/index.php?act=Atta...post&id=2565714

if u dont oc cpu-nb freq u can leave cpu-nb voltage untouched. it's ok to couple high cpu clock with decent cpu-nb freq thou. FX limit should be around 2.4GHz~2.6GHz for 24/7, keep cpu-nb voltage below 1.35v if possible. wink.gif

This post has been edited by ah_khoo: Jun 7 2012, 03:07 PM
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