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Amiga computer related discussion => Amiga Hardware Issues and discussion => Topic started by: MrZammler on December 10, 2004, 09:58:37 AM

Title: Which crystal?
Post by: MrZammler on December 10, 2004, 09:58:37 AM

Hi

can anyone tell me the part number of the crystal I need to drive a 50Mhz 68060 on a cyberstorm mk2?

Thanks

Title: Re: Which crystal?
Post by: Piru on December 10, 2004, 10:19:39 AM

Cystals don't have part numbers, except perhaps ones assigned by manufacturer or vendor.

The only thing you need to know is the shape. Pin assignment and operation are standard.

Title: Re: Which crystal?
Post by: blobrana on December 10, 2004, 05:17:58 PM

Hum,
 if i remember correctly , a 100Mhz (dilithium?) should be sought (the oscillator crystal number being twice the board speed, i.e. 66mhz -> 33mhz)

PM  Redrumloa to see if he can help?

Title: Re: Which crystal?
Post by: Framiga on December 10, 2004, 06:22:35 PM

blob . . .dilithium wasn't in StarTrek :-)

Title: Re: Which crystal?
Post by: MrZammler on December 10, 2004, 08:24:47 PM

Quote

blobrana wrote:
Hum,
 if i remember correctly , a 100Mhz (dilithium?) should be sought (the oscillator crystal number being twice the board speed, i.e. 66mhz -> 33mhz)

PM  Redrumloa to see if he can help?

This is true for 040 cpu's. 060's need a same speed crystal.

Title: Re: Which crystal?
Post by: blobrana on December 10, 2004, 09:06:31 PM

Hum,
tnx for correcton (http://www.geocities.com/Area51/1739/overclock.html)…





 :-)

Title: Re: Which crystal?
Post by: X-ray on December 10, 2004, 09:13:01 PM

When I bought my MKII crystals (to experiment with overclocking), I asked for 14/4 Single DIP package, 3.3 v  and then just specified the frequencies I wanted.
I don't have part numbers, but I'm sure Framiga does  :-)

edit: also known as DIL-14 (or full size can). You need through-hole or leaded, not surface-mounted.