Bob Knight <bob@highfiber.com>  wrote:
 > Hi - so if I took a 400t w/a 030 daughterboard, popped a 25 Mhz 040 in it,
 > I should have also put a 100Mhz crystal in, too?

no. not the 't'. just the 's'. the 't' would require a 50Mhz oscillator.

to recap:

S model:  divide-by-four
T model:  divide-by-two