Computer Audio Asylum

Music servers and other computer based digital audio technologies.

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RE: Have you tried lower CPU voltages?

Posted by promethk on August 19, 2008 at 07:36:56:
My current motherboard does not support voltage change nor the fsb frequency change.

Well, the Juli@ card does depend on the 5V from the motherboard. The Juli@ card has its own voltage regulator (the rightmost chip) which convert the 5v into 3.3V for the other chips I stated earlier.

The photo shows the capacitors I've added for coupling both the 5V and the 3.3V.

You are also right by pointing out the importance of isolating the 2.5 harddisk, as such harddisk mainly draw its power from the 5V supply which the Juli@ also depends on.