Re: calibrating MIPS counter frequency

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>  On the contrary, the DECstation's undocumented I/O ASIC FCR (free running
> counter) driven by the TURBOchannel bus clock is said to be much more
> accurate than the DS1287 used there.  And it's David L. Mills who says so,
> thus we may safely assume it's true. :-)

The old DEC hardware guaranteed good time quality. But thats rather unusual
beyond DEC. 

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