On Tue, 18 Oct 2016 16:53:15 +0200, you wrote:

>14.317 MHz quartz.  Such frequency is a relic of original PC design

It's 4X the color subcarrier frequency in NTSC (originally U.S.)
television; rapidly becoming a dinosaur. I'm sure it was used in computers
to make color video easier. Newer boards doubtless use much faster clocks
and synthesize what the parts need.

Gary Woods AKA K2AHC- PGP key on request, or at home.earthlink.net/~garygarlic
Zone 5/4 in upstate New York, 1420' elevation. NY WO G
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