[ardour-users] Session export ?
Michael T Nelson
m_nels at gmx.net
Fri Feb 25 02:04:14 PST 2005
Josh Karnes wrote:
> With readily-available, cheap fans and a regular PC case, a little
> duct tape, some creativity and a little bit of rewiring, you can get a
> PC very very quiet. I record quiet acoustic guitars all the time next
> to my PC (1.4GHz AMD with three hard drives). HD spindle noise is the
> only audible noise. The fans are not audible even with 60dB of gain
> and an omni condenser mic less than 10 feet away.
> The key is to rework the air flow so the only exhaust fan is in the
> power supply, air inlet is at the opposite corner of the box, run all
> the fans on 7V (gotta rewire, and open the p/s and disconnect the fan,
> run the wire out of the p/s and power the p/s fan from the mobo). Use
> sleeve bearing fans that are very quiet. Grommet-mount the hard disks
> or suspend them with ponytail elastics & zip-ties in the 5.25" bays to
> decouple the vibration noise. Then once the machine is together, find
> all air leaks and seal them with duct tape (except the CD drive,
> intentional air inlet...).
You can also run the fans on 5V...
I took my CPU heatsink, and fanned out all the copper fins by hand,
allowing for greater airflow. I then unplugged my mobo chipset fan, and
rested the CPU fan diagonally over the fan and chipset (NForce2 board).
Next, I *underclocked* my Athlon XP1700+. Then I stress tested it,
slowly raising the clock speed, until it overheated and crashed. Then I
slowed it down one notch, and stress tested it some more. I think I got
about 1GHz from it - at a stable temperature with heavily reduced cooling.
The real trick is learning *not* to spill lemon barley water into your
open computer case, resting on its side. My graphics card was not happy.
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