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THE Asus Rampage Formula/Maximus Formula/P5E Deluxe/P5E Thread - Page 202

post #2011 of 2014
Thread Starter 
The system should have updated the CPU drivers (Device manager automatically does this). I would just check the task manager and make sure all 4 cores are working (click the Performance tab).
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post #2012 of 2014
Sorry to revive this old thread, but this seems to be the place to ask questions about the P5E +Rampage bios smile.gif

Tested with Prime95 x64 version 266

500 fsb x6, 6.5, 7 and 7.5 multiplier are all stable with these settings. Unfortunately, x8 isn't. Worker 2 fails after 6 minutes, but Worker 1 kept going through the night. Quite odd if you ask me.. hehe.

Anyone able to give their 2c's as to what could be causing Worker 2 to fail? I'd love to get this stable and then try for a x8.5 multiplier run.

Ai Tweaker

Ai Overclock Tuner: Manual
CPU Ratio Setting: 8
FSB Frequency: 500
FSB Strap to North Bridge: 333
PCIE Frequency: 100

DRAM Frequency: 1000
DRAM Command Rate: 2n
DRAM Timing Control: manual (5-5-5-15-auto-45)
DRAM Static Read Control: disabled
Ai Clock Twister: Moderate
Ai Transaction Booster: Manual
Common Performace Level: 11

VCORE Voltage: 1.3875V
CPU PLL Voltage: 1.52V
FSB Termination Voltage: 1.36V
DRAM Voltage: 1.94V
North Bridge Voltage: 1.42
South Bridge Voltage: Auto

Loadline Calibration: Enabled
CPU GTL Voltage Reference: 0.63
NB GTL voltage Reference: 0.67
SB 1.5V Voltage: Auto

CPU Spread Spectrum: Enabled
PCIE Spread Spectrum: Enabled

Advanced CPU Settings

CPU Ratio Setting: 8
C1E Support: Disabled
CPU TM Function: Disabled
Vanderpool Technology: Disabled
Execute Disable Bit: Enabled
Max CPU Value Limit: Disabled
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post #2013 of 2014
Thread Starter 
It could be as simple as your CPU isn't stable at that speed and voltage. If you have been able to pass stability testing with 500 FSB at lower multis, the FSB should be stable at the higher multi. But the one factor is the increased clock speed. I would bump your vcore (assuming you are OK with going further past the 1.3625v vcore Intel lists as the max VID) and see if that helps stabalize the system. Your GTL, FSB Term and PLL look fine.
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post #2014 of 2014
Quote:
Originally Posted by ericeod View Post

It could be as simple as your CPU isn't stable at that speed and voltage. If you have been able to pass stability testing with 500 FSB at lower multis, the FSB should be stable at the higher multi. But the one factor is the increased clock speed. I would bump your vcore (assuming you are OK with going further past the 1.3625v vcore Intel lists as the max VID) and see if that helps stabalize the system. Your GTL, FSB Term and PLL look fine.

Thanks Eric!
But even up to 1.4V didn't stable it out. So...
Set Vcore back to 1.38, raised PLL to 1.56 and NB to 1.45 and no errors what so ever last night!

Been trying all morning to get 4.26Ghz stable at 1.45V (1.462 in bios) but it's not happening. System will boot fine, doesn't feel sluggish at all, but Prime95 large FFT test stops after 2 minutes on both workers. Looks like I need more juice on the core but 1.45V was the highest i'd go for everyday use.
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too many to mention :D Win 7 (64 bit) Samsung SyncMaster SA300 (Full HD) Logitech G15 
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CPU Bottleneck
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E8500 @ 4Ghz 1.36V Asus P5E Asus HD7850 DCII 2gb G.Skill F2-8000CL5D-4GBPQ 
Hard DriveOSMonitorKeyboard
too many to mention :D Win 7 (64 bit) Samsung SyncMaster SA300 (Full HD) Logitech G15 
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Cooler Master RealPower Pro 850W Cooler Master Stacker Logitech G5 X-Fi Xtreme Gamer 
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