Asus Rampage II Gene at MADSHRIMPS Board just arrived this afternoon, haven't had the time to make any pictures yet (but still to follow), because I wanted to quick-test the board for it's overclockability. 200/2000 doesn't work, as with most motherboards, straight out-of-the-box so more tweaking is necessary. NOTE: Vqpi swings between 1.4 and 1.45 when set at 1.4v. Bios problem or board problem or maybe something else? |
Vqpi isn't bios-related, so probably board-related, which isn't good. I'm in need of 1.5v (bios) to run Uncore at 4GHz 32M stable, which is about 0.1v more than I need on the DFI. Quite a significant difference! Triple channel 1GHz CL7 with 1.65v seems véry unstable: 2M runs fluently, but crashes already at 4M loop1. In single/dual channel, I don't notice too much issue :) |
upped IOH voltages ? seems to do the trick on the RE II Back to I7 roundup and looking after some double performanc on the Asrock lol.... need to get at least 6500 points for 3dmark at 280FSB I'm maxing at 4.3K lol (but shite 4:3 divider) |
Yes, briefly, but no improvement on the stability. I was able to run 32M with triple channel just a few minutes ago, but after reboot, same 4M issue :-/ |
After some tweaking, I seem to have gotten the same level of stability again: 32M ran perfectly. For future reference, these are the settings I used and that were stable: Ai Overclock Tuner : Manual Oc From Cpu Levet Up : Auto Oc From Memory Level Up : Auto CPU ratio setting : 20 CPU turbo power power limit: disabled CPU configuration : --------------------------- : C1E support : disabled Hardware prefetcher: enabled Adjacent Cache Line Prefetch: enabled Intel virtualization tech: disabled Cpu TM function : disabled Execute disable bit : disabled intel HT technolgy: disabled Active provessor cores: all A20M: disabled Intel C-state tech: disabled bclk frequency: 200 pcie frequency: 100 dram frequency: DDR3-2005MHz uclk frequency: 4009MHz qpi link data rate: 7218MT/s DRAM Timing Control 1ST INFORMATION CAS# latency : : 7 RAS# to CAS# delay : : 8 RAS# PRE time : 7 RAS# ACT time : AUTO RAS# to RAS# delay : AUTO REF cycle time : AUTO WRITE recovery time : AUTO READ to PRE time : AUTO FOUR ACT WIN time: AUTO Back-to-back CAS delay: AUTO 2ND INFORMATION DRAM Timing mode: 1N DRAM Round Trip Latency on CHA: Delay 1 clock DRAM Round Trip Latency on CHB: Delay 1 clock DRAM Round Trip Latency on CHC: Delay 1 clock 3RD INFORMATION WRITE to READ delay(DD) : AUTO WRITE to READ delay(DR) : AUTO WRITE to READ delay(SR) : AUTO READ to WRITE delay(DD) : AUTO READ to WRITE delay(DR) : AUTO READ to WRITE delay(SR) : AUTO READ to READ delay(DD) : AUTO READ to READ delay(DR) : AUTO READ to READ delay(SR) : AUTO WRITE to WRITE delay(DD) : AUTO WRITE to WRITE delay(DR) : AUTO WRITE to WRITE delay(SR) : AUTO EPU II phase control : full phase CPU Load-line calibration : Enabled CPU differential amplitude: AUTO NB OCP: enabled DRAM OCP: enabled Extreme OV: disabled CPU Voltage : 1.38125v CPU PLL voltage : AUTO QPI/DRAM Core voltage: 1.5v IOH Voltage: AUTO IOH PCIe Voltage: AUTO ICH Voltage: AUTO ICH PCIe Voltage: AUTO DRAM bus voltage : 1.65681v DRAM Ref Voltages Data Ref voltage on CHA: auto Ctrl Ref voltage on CHA: auto Data Ref voltage on CHB: auto Ctrl Ref voltage on CHB: auto Data Ref voltage on CHC: +75.0mV Ctrl Ref voltage on CHC: +62.5mV CPU spread spectrum: disabled PCIE spread spectrum: disabled CPU Clock Skew: Delay 200ps IOH Clock Skew: Delay 100ps |
So messing with the ref volts on Channel C did the trick ? Never messed with those before, it seems you are never too old to learn :p Are those settings Hyperpi 32M stable ? |
I don't know what fixes the issue, because after a reboot, the 32M stable settings are again 4M unstable. I presume it's some kind of timing I set to AUTO that has to be configured right |
Found the setting that's making my system stable: Back-to-back CAS delay: 12 All other tested settings are back to auto :) |
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