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problem with p8p67evo with boot

post #1 of 6
Thread Starter 
hello , first sorry for my english but i'm french
i have a problem with my motherboard , my ram a g skill pi serie pc 17600 7/10/10/28 1.65V , my proco i5 2500k .
i can boot with 2*2go (1333mhz or 2133 with 1.65 V) but if i put 4*2 go ram i can't boot at 2133 mhz . the pc turn on , turn off , turn on turn off ...
the 8 go works at 1333 mhz.
asus don't help me
thanks you for your help .
post #2 of 6
You will find that the more sticks of RAM you use it will then become harder to overclock.

What works for one stick wont necessarily work with four.
Tevatron K
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2600K @ 4.8ghz Z77 Sabertooth R9 290 8GB Samsung 30nm @ 1866mhz 
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Tevatron K
(15 items)
 
 
CPUMotherboardGraphicsRAM
2600K @ 4.8ghz Z77 Sabertooth R9 290 8GB Samsung 30nm @ 1866mhz 
Hard DriveHard DriveOptical DriveCooling
M500 240GB SSD 3x 3TB HDD's Sony DRU-V200S Custom water cooling 
OSMonitorKeyboardPower
Windows 7 64bit QNIX 27" 1440p @ 96Hz Ducky 1008 BeQuiet 1200w 
CaseMouseMouse Pad
HAF 932 Logitec G5 Table top 
  hide details  
Reply
post #3 of 6
Thread Starter 
i don't understand ... ^^
post #4 of 6
You will probably need more VCCIO to get 4 sticks stable at the speeds you desire.
post #5 of 6
Thread Starter 
i al ready put the VCCIO to 1.2 and it's doesn't work .
post #6 of 6
Say you have 2 stick of memroy (2*2GB) working at 2133mhz with 1.65v.

For you to get 4 sticks of memory stable (4*2GB) working at 2133mhz you may need 1.68v (anything over 1.65v is not reccommended though. DO NOT set to 1.68v. I have used it as an example).

There are other things you can do like raise the VCCIO but you should not really exceed 1.2 volts here for 24/7 use. Unfortunately though you have already tried this.

You could try loosening the timings but for everyday use you would be better at 1866mhz with tighter timings. If you do not know about adjusting the timings then you will have look this up as it is a complete subject of its own.

At the end of the day you may just have to accept that it cant be done with safe voltages. You could always try to push beyond the safe guidlines but is it worth risking the damage you could cause for something your not even going to notice?
Tevatron K
(15 items)
 
 
CPUMotherboardGraphicsRAM
2600K @ 4.8ghz Z77 Sabertooth R9 290 8GB Samsung 30nm @ 1866mhz 
Hard DriveHard DriveOptical DriveCooling
M500 240GB SSD 3x 3TB HDD's Sony DRU-V200S Custom water cooling 
OSMonitorKeyboardPower
Windows 7 64bit QNIX 27" 1440p @ 96Hz Ducky 1008 BeQuiet 1200w 
CaseMouseMouse Pad
HAF 932 Logitec G5 Table top 
  hide details  
Reply
Tevatron K
(15 items)
 
 
CPUMotherboardGraphicsRAM
2600K @ 4.8ghz Z77 Sabertooth R9 290 8GB Samsung 30nm @ 1866mhz 
Hard DriveHard DriveOptical DriveCooling
M500 240GB SSD 3x 3TB HDD's Sony DRU-V200S Custom water cooling 
OSMonitorKeyboardPower
Windows 7 64bit QNIX 27" 1440p @ 96Hz Ducky 1008 BeQuiet 1200w 
CaseMouseMouse Pad
HAF 932 Logitec G5 Table top 
  hide details  
Reply
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