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In Reply to: RE: Need feedback on this experimental setup for cMP² posted by cics on March 16, 2009 at 09:50:55
Wow, lot's of improvements here! Instruments getting bigger, better separated, more spatial information. Only drawback : slow response of userinterface when hitting keyboard or mouse.
Setup: Cplay playing Flac-files upsampling to 192K, G31M-S2L, Antec Earthwatts PS with additional capacitors, E7200@0.85V, juli@ connected via I2S to buffalo-dac.
I even tried to lower the CPU Host Freq to 100, but mobo didn't boot after that. So i changed it back to 150.
Cics, thank you very much for this upgrade!
Follow Ups:
Use SSE4 version and set RAM timings to Auto (this would give 3-3-3-7@300MHz).
Midrange performance should have a purity and lushness that delivers an amazing emotional impact. I have no tubes in the chain.
Cics,
The additional changes give a clearly noticable improvement in SQ: a more delicate and detailed midrange, the 'S'-sound in voices is more prominent as well. I now tend to push the volume even louder.
Thanks!
Although I'm still right in the process of burning in my newly installed all pure battery power supply for the P4 connector (first step, 24pin to follow next) as well as getting used to the sonic changes this brings, I think I can clearly say that I did not see any change when unchecking the Mouse-wakeup-property alone, but think I DO hear a change when disabling "System Management BIOS Driver" and "System Board". I would describe it as quite noticably more air, spatiousness and even more "correct" positioning, all in midrange events - if that's what you mean by "purity" we're probably experiencing the same, because these effects came together with a feeling that once more it's another tiny step towards perfection that made me notice that the listening experience feels again even more "right". Difficult to describe (even more so for a non-native English speaker...), but I think you get the point.
Now will try to disable the other system devices as well as per Dave's suggestion and also do the Registry changes.
bertel wrote:Now will try to disable the other system devices as well as per Dave's suggestion and also do the Registry changes.
I look forward to hearing how you get on with these but do remember that they have been tested by me only so be sure to make them one at a time and to note what you disable in case you need to restore it.
Note also that the registry changes I described are cosmetic only and that I forgot to mention that the Control Panel one makes the CP inaccessible from the Start menu. Instead, type "Control" in the Run line.
Dave
Edits: 03/23/09 03/23/09
Hi Dave,thanks for the "disclaimer" ;-) Yes, I did try them one at a time, and as was your experience (I too have the Gigabyte GA-G31M-S2L) I also could disable the remaining system devices without any problem.
Please allow a very personal / highly speculative / probably rather placebo-wise "I hear what I want to hear" assessment of the effects as I perceived them: The immediate result was a meanwhile quite familiar one - while the 2 changes recommended by cics did bring the "predicted" results in midrange, the additional changes then were a bit "too much" at once and resulted in some harshness and a feeling of being "not quite right yet" - the usual situation when the system after some changes needs some time again to break in. It has done so for a few hours now, and things are starting to get smooth and mellow again.
I am a bit uneasy about reporting such tiny and VERY subjective effects, but we know how all these ever so little steps and improvements in our digital audio domain all have lead and still lead up to such a tremendous achievement as cMP/cPlay in fact is - and concept-wise the additional ones discussed here are also absolutely in line and therefore just "right" :-)
Edits: 03/23/09 03/23/09
This will impact negatively on SQ. First 2 can be disabled.
Oh wow - so the loss in sound quality that I could notice (as described above) was not due to the again required break in period but to these two devices (3rd "Motherboard resource" for PCI, and "DMA controller" as per your other post)?!It DID work without instabilities, but that of course is not the point here - interesting that you can follow the rules of "less is more" too strictly and turn off too many things... ;-)
Thank you indeed for this very valuable advice - will sneak back and silently turn those two back on again... ;-)
Edits: 03/23/09 03/23/09
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