This is what I tried to say, I got mail list issues but not to worry I
can figure it out somehow...
Much better to try online
http://search.digikey.com/scripts/DkSearch/dksus.dll?Cat=852333;keywords=oscillator
prices in CND fast turn around (same day shipping, often next day
delivery. I think those two CPUs you cited operated off of 25MHz
Crystals. Then I remember 33MHz and many have 1.8432 MHz for serial port
and a different one for the keyboard maybe but nothing in the range you
want. Something about FCC and part 15
If you are looking at broadcasting FM you could check out the Ramsey kits
http://www.ramseyelectronics.com/
Scott Walde wrote:
> Von wrote:
>> A friend's son is involved in some science project, and they are
>> looking for crystal oscillators, like the type that were on boards
>> such 486DX2-50, 486DX4-100 etc, and they need various frequencies in
>> the range of 90MHz - 107MHz, so if anyone has any old motherboards
>> that can be cannibalized for parts, they'd appreciate it - let me
>> know. Thx.
>
> FWIW, as I recall, those examples were "clock multiplied" and actually
> had, respectively, a 25MHz and 33MHz crystal. (Usually oscillators,
> too, not simple crystals.) If you could find one of the rare 486DX50s
> (not DX2-50) it would have a 50MHz, and the early pentiums would have
> 60 and 66MHz oscillators. Pentiums beyond that were also clock
> multiplied and soon after that boards starting coming with "clock
> generator" chips instead of crystal oscillators. I think you'll have
> a hard time finding 90 to 107MHz crystals on scavanged motherboards.
>
> ttyl
> srw
>
>
>
>
> --
> I'm interested in upgrading my 28.8 kilobaud internet connection to a
> 1.5 megabit fiberoptic T1 line. Will you be able to provide an IP
> router that's compatible with my token ring ethernet LAN configuration?
>
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Received on Mon Mar 31 00:19:15 2008
This archive was generated by hypermail 2.1.8 : Mon Mar 31 2008 - 00:19:17 CST