MSDOS Source code leaked

[Tony Duell]

> As a curious aside, the trimmer near the 14 MHz crystal on the 5150 is
> intended not to adjust the time-of-day clock accuracy, but rather to adjust
> color rendition with the CGA card.

But only if you're using a composite NTSC monitor (the colour subcarrier 
-- 3.58-ish MHz -- is 1/4 of the master clock freqwuncy, of course). On 
a TTL RGB monitor, like the 5153, the trimemr does nothing.

-tony