hye huys. need some advice regarding to OC phenomII X4 945.
lazy to stress test, so me just test with some game like grid and CS condition zero. suddenly game crash. my setting at bios is stock voltage for all.

fsb--> 225*15 = 3375 @ 3.37Ghz
nb freq 2250Mhz
HT link 2000Mhz
winova xtune set at divider 1600 CL9 @ 1800 CL9

my pc spec :
hyper 212+
phenomII X4 945
Asus M4A87TD/USB3
2Gb*2 winova ddr1600 xtune
powercolor 3850 512d3
WD GC 1Tb
psu ST56F

what else should i do. do i really need to pump voltage on VNB? i just want to get the best OC on stock voltage. thanks

imc means nb freq, right? in other word, to get stable i have to increase the nb volt? because if i lower the nb, let say from 2250Mhz to 2000Mhz, the perfomance is reduce. i just run the AIDA64 memory benchmark. so if ther perfomance reduce compare to higher nb freq, i think better keep my setting at stock... but no fun if stock. lol. very gian to OC...

1800Mhz CL9 with stock voltage 1.5vdimm. mine is C3 stepping




This post has been edited by lengchai86: Aug 4 2011, 07:10 PM

ok guys. please tell me in the bios, which one is imc?
stdd without OC


OC setting

fsb increase from 200-->225
ram increase from 1600-->1800MHz
cpu/nb freq increase 2000-->2250MHz
HT link speed 2250, i set lower multi to 2025MHz
increase the cpu/nb voltage 1.2-->1.2125V (4 step if not mistaken)
nb voltage is for what? this is stock 1.1V (range 1.1V - 1.25V)


and for the HT, i must keep it below 2K, means it shouldn't be above 2k right? so if i need to pump voltage, what is the safe voltage for cpu/nb, CPU and ram?

This post has been edited by lengchai86: Aug 6 2011, 03:16 AM

mine is only from 1.2V to 1.4V 0.*-1.9V for cpu/nb voltage.

from both, i only have prime95. btw what i bf2? sory to many noob Questions

edited : 1.2-1.4V is for HT voltage

This post has been edited by lengchai86: Aug 6 2011, 03:18 AM

owh. i didn't have that game. basically, how long i should run the prime test, i mean minimum hours. because i'm running prime right now, if stable in minimum time requirement, i want to try higher clock . very fun during finding highest stable speed
now just past 1024k

update: after 1 hour prime95, i try to re-run WEI but bsod occur when the assesment is just about to finish. what should i do 1st. increase dram voltage or cpu/nb voltage first

This post has been edited by lengchai86: Aug 5 2011, 01:17 AM

so this is my previous highest fsb = 265 with 1.5VCore. but this is using previous 1333MHz KVR 2Gbx2.
HT link lower to 18**, oso the cpu/nb freq set to 18** because i didnt know that cpu/nb can be set higher than HT link at that time. plus, i didn't try with lower cpu multiplier yet. so basically i think the fsb is not the wall if i want to use current proc multiplier (*15)

i'll not find the stable setting for this highest fsb bootable because its 1.5vcore. highest i dare to use is 1.4vcore only. so i want to find the best setting between 3.4-3.7Ghz cpu clock if possible. even 3.4GHz oso got bsod...how to find the ram limitation and cpu/nb limitation? thanks for helping me

This post has been edited by lengchai86: Aug 5 2011, 12:35 PM

low down the cpu multi? ok just lower it abit, increase htt a.k.a fsb a bit, ram reach over 1800MHz. suddenly bsod during stress tess, what to do. increase cpu/nb voltage or dram voltage?

now HTT is 238*13 = 3094MHz
HT link and cpu/nb = 1910MHz
RAM = 1910MHz with CL9
dram voltage 1.55V,
cpu/nb voltage 1.22V. i'll increase again after this

hehe. just want to find highest clock for fun at that time. never use it. after reach 3.9, then set to stock back. now just begin to find optimum OC. urm...what is cpu vdda?

i still can't find the vdda thingy. just now, i set the fsb a.k.a htt @ 250*12=3000MHz.
ram reach 2000MHz with 1.65Vdram (my mobo oredy show red in 1.58Vdram) but can't boot at all. so is this ram limit with timing CL9? i lower the htt to 240 but with multi 13, 240*13=3130Mhz, ram at 1926 CL9 with 1.60Vdram, able to boot. any suggestion? or the htt*multi must not lower than stock clock for the proc?


This post has been edited by lengchai86: Aug 6 2011, 01:51 AM

just now using this setting :
235*15=3525Mhz with 1.35VCore
ram and HT link : 1878MHz with 1.57Vdram
cpu/nb 2347MHz with 2.5V edited : cpu/nb 2347Mhz with 1.25V

then BSOD before able to run prome95. now tryin the same setting with 1.6VDram. or any suggestion? tightening the ram timing will need a higher vdram right? is it CL9 is still not tight enough?

every setting that i apply is using the same timing CL9 (9-9-9-28-39-1T)

This post has been edited by lengchai86: Aug 6 2011, 02:37 AM

ops sory its not 2.5, its 1.25V. my mobo have range between 0.*-1.9V for voltage cpu/nb.. really sorry typo. trying to stress with prime95 (blend), about 3 minutes got BSOD oso after 1.6VDram...

This post has been edited by lengchai86: Aug 6 2011, 03:14 AM

value for CL oso leave to stock @ CL11? with 1.5 vdimm?
oredy set HT link to *9

now using this setting :
htt*multi : 225*13=2934MHz (stock 3000MHz)
HT link and cpu/nb : 2031Mhz
ram : 1800 CL9 1.5vdimm

now prime with
min FFT = 1024
max FFT = 4096
memory use 4096MB
minute = 3


This post has been edited by lengchai86: Aug 6 2011, 03:59 AM

suddenly this happen. why?

htt*multi : 225*13=2934MHz (stock 200*15=3000MHz)
HT link : *9
HT link and cpu/nb : 2031Mhz
ram : 1800 CL9 1.5vdimm
all stock voltage. if system not stable, what should i do. increase ram voltage or cpu/nb voltage? my ram show yellow at 1.58V, red at 1.60**V

update : using almost the same setting as before
htt*multi : 225*13=2934MHz (stock 200*15=3000MHz)
HT link : *9
HT link and cpu/nb : 2031Mhz
ram : 1800 CL9 1.55vdimm
cpu/nb 1.25V
passed prime95.

so i guess i ram is stable at 1.55Vdimm with 1800Mhz CL9 right? so do i need to adjust multi proc to *15 or try for *14 first?
htt a.k.a fsb : 225*14=3150MHz

This post has been edited by lengchai86: Aug 6 2011, 03:33 PM

i think increasing the cpu/nb voltage to 1.25V is really work. now oredy passed prime95 for almost 2 hours. will increase the cpu multi to *15. see how is it going. hopefully stable

---

Added on August 6, 2011, 8:00 pmjust now, pc suddenly restart after 30minutes prime. i'm using this setting:
htt*multi : 225*15=3375MHz
HT link : *9 = 2025Mhz, stock HT link voltage
cpu/nb : 2250Mhz with 1.25V
ram : 1800 CL9 with 1.55vdimm

now increasing vdimm voltage to 1.57V,


This post has been edited by lengchai86: Aug 6 2011, 08:00 PM

from this hwmonitor, which one is mosfet and nb temp?

---

Added on August 7, 2011, 12:03 amhtt*multi : 225*15=3375MHz
HT link : *9 = 2025Mhz, stock HT link voltage
cpu/nb : 2250Mhz with 1.28V
ram : 1800 CL9 with 1.57vdimm

bsod again... hurmmm. any suggestion. please help me.

This post has been edited by lengchai86: Aug 7 2011, 12:03 AM

again, pII 945 X4

htt*multi : 225*15=3375MHz, stock vcore 1.35V
HT link : *8 = 1800Mhz, stock HT link voltage
cpu/nb : 1800Mhz with 1.25V
ram : 1500 CL9 with 1.5vdimm, bsod after 1 1/2 hours prime95. now increase vdimm to 1.55 see how...

This post has been edited by lengchai86: Aug 8 2011, 12:38 AM

why my asus turbo doesn't have the vdda thingy?

wow thanks. really need that advice so the cpu/nb speed should be higher that HT link speed? i thought my setting is ok to find the proc limit, so i set the others lower than stock. the way i use lower cpu/nb is to make sure its stable with lower speed.

and the ram volt is no need to pump if i use lower divider? thanks bro



This post has been edited by lengchai86: Aug 8 2011, 03:17 AM