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In Reply to: RE: [help] gigabyte h55-s2h cpu voltage and motherboard bios setting. posted by lga775 on March 13, 2010 at 09:53:30
Planning to change to "LGA1156"?
You're ahead of me on this new hardware. From manuals, here's the advanced settings (all else as per current documentation - be sure to disable EIST).MB Intelligent Twaker (MIT)
- Advanced Frequency Settings
- CPU Clock Ratio to 6
- Base Clock(BCLK) Control to Enable
- BCLK Frequency to 140 (this should give lowest CPU freq of 840MHz) - you may need to use higher numbers until hw beds-in.
- System Memory Multiplier to 2
- CPU Clock Drive to lowest possible (default is 800mV)
- CPU Clock Skew remains at 0ps (manual is silent but this seems to control Spread Spectrum)
- Advanced CPU Core Features
Test 2 scenarios:Scenario 1 - uses both CPU cores but disables HT
- CPU Multi-Threading to Disable
- Disable:
- CPU Enhanced Halt (C1E)
- C3/C6/C7 State Support
- CPU Thermal Monitor
- CPU EIST Function
- Bi-Directional PROCHOT
Scenario 2 - this is preferred as we use only one core but enable HT (I was planning to do this via XP but GB was very kind to include it in BIOS). This is a big advantage as we only use one physical core!
- CPU Cores Enabled to 1
- CPU Multi-Threading to Enable
- Disable:
- CPU Enhanced Halt (C1E)
- C3/C6/C7 State Support
- CPU Thermal Monitor
- CPU EIST Function
- Bi-Directional PROCHOT
- Advanced Memory Settings
- System Memory Multiplier to 2 (or lowest allowed)
- Performance Enhance to Standard
- Advanced Voltage Settings
- CPU Vcore to lowest stable (as we do with current hw) - start with 0.85000V
- Dynamic Vcore (DVID) to Disable (if possible)
- QPI/Vtt Voltage to lowest possible
- PCH Core to lowest possible
- CPU PLL to lowest possible
- Miscellaneous Settings
- Isochronous Support to Enable (or Disable - test this)
- Virtualization Technology to Disable
This is an impressive range of BIOS options! GB have created something very special here and allows for maximising audio performance.
Let us know of the progress you making. Many thanks!
Follow Ups:
i m here to say that i3-530 is able to run 0.65v after turning on pc for a few minutes..
How have you setup your PSU?
hmmm..my psu for computer is HEC acepower 480w, i unplugged the internal fan. thats all. remember 0.65v wont boot you up, when its a cold start it best is 1.1v, so everytime i have to change during startup.
i have changed to 1156 for 2 weeks ago...
upgrade from s939 amd to this....
i did ask whether does it sound different whether upgrade my gear to i3.. yes.. it is much less noise and more musical..
***Gigabyte F5 bios allows you to turn off the clock spectrum***.. hehe
cics, i did try your suggested settings.. hmm yes it works fine..
but i know it can be bit more better. i m figuring it out.. hehe
I also am very interested in hearing about your experience with this new hardware set. Good luck!
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