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Old 20-09-2007, 07:10 PM   #5
passionne
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Join Date: Sep 20 2007
Location: France
Posts: 20
Re: Impossible to attain a stable overclock : E6850+Blitz Formula+Mach II GT

By eva2000 View Post
try raising North Bridge Voltage to 1.55v to 1.65v and DRAM voltage to 2.2-2.30v the higher voltages particularly for 4x1GB.. you can probably drop FSB termination voltage to 1.3-1.35v

24/7 i'd recommend NB 1.55-1.6v and vdimm under 2.25v vdimm
I ran Orthos CPU & RAM priority 10 this night by following your advice and Orthos crashed after 9 h 13 min.

Here are the parameters :

CPU Voltage: 1.5 V
CPU Voltage Reference: AUTO
Loadline Calibratiom: Enabled
FSB Termination Voltage: 1.38
North Bridge Voltage: 1.55
North Bridge Reference: AUTO
DRAM Voltage: 2.2 v
-DDRII Channel A Ref Voltage: AUTO
-DDRII Channel B Ref Voltage: AUTO
-DDRII Controller Ref Voltage: AUTO
South Bridge Voltage: AUTO
PLL Voltage: 1.54 V

I will test tonight with VFSB=1.34 V and VPLL=1.5 V. Indeed, accordinf to your link, http://i4memory.com/showthread.php?t=4532, you adjusted VPLL at 1.5 V. Today, I will play games too in order to see if I still encounter crashes.

I keep you informed.
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