Timekeeping oddities on MacMini G4s

[Hal Murray]

gem at rellim.com said:
> Then you have to take aging into account.  A 10 year old Mac may have difted
> a lot.  Or maybe the crystal got bumped.

> Also a lot of crystals are now surface mount.  The soldering process may
> have bend to crystal a lot. 

Do you have references to any published data?

A lot of that depends on what you mean by "a lot".  I haven't seen any good 
rumors that either age or soldering will shift a crystal any where near the 
500 ppm scale that we are interested in.

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