Computer Audio Asylum

RE: Kernel Optimisation: Add "/nopae" to boot.ini file

207.96.147.110

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Hi,

I added the "nopae" line and I can now lower voltage to 1.01875 but I feel I've reached the limits of my system. The slightest move of the mouse and I get glitches at the output. Also the first second of playback is not always very clean. Is it due to cPlay automaticaly starting playback right after loading songs into ram ?
I have the "old" version of the Gigabyte mobo, running at 170MHz with 2X1GB HyperX and output at 96k. The sound quality is very very analogue with deep bass, smooth mids, and incredibly fast response.

What do you think would bring my PC back to a little comfort zone without damaging the sound quality ? A little higher clock or voltage ?

I still use the .979 driver for my Juli@ might upgrade to 1.23 soon, is it worth it ?

Next step for me would be the sound card cond mod, then the mobo cond mod.

Has anyone using 192K changed the spdif connector to something better like a Canare 75ohm RCA or even a BNC connector ? Have you soldered it right to the board ?

I'm using 96K and did not yet choose between coax or optic.



the following mod for the juli@ dates back from 2005, and was posted by marcello on another forum.
_
"Upgrading digital section:
Locate a good "audiophile"clock oscillator manufacturer. There are multiple offers available on the internet, varying from LC, Audiocom, etc. In NL, Audioart is making a VERY good clock but I'm not sure if they are selling it separately. If not I can intermediate.
I will come with my own clock this summer. 12V and the lowest noise and jitter you've heard of.
Two clocks are needed, one for 22.5792MHz and 1 for 24.576MHz. Replace the existing crystals (x1 and X2)with the corresponding clock oscillators. Power these external clock oscillators by a very good linear supply, or even a lead acid battery if the required voltage is 12Vdc.

Solder a 220uF/10V SG or SH OsCon capacitor from U6, AKM's 4114 chip AVDD pin 38 to ground. Best is to do this on the underside of the board, across BC25. Negative to the solder pad nearest to the "BC25" text.

Solder a 220uF/10V SG or SH OsCon capacitor across C8; positive to the pad towards text "C9", negative to pad towards text "C8".

These measures take care of the most basic limitations of the sound quality of the Juli@ card."
___

I haven't tried any of this. just wanted to share.
I also take no credit for it, Thanks to marcello.

thanks to all the contributors here.



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