iMac crystal oscillator identification

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jason9v

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Hello,

I am making a presentation about the use of crystal oscillators in computers. There is an image of the motherboard of an iMac (late 2009 model, 21.5"), you can see it here:



and here:
(please ignore the red rectangle)

The oval-ish shaped, raised, silver colored component on the lower right of the images looks like an oscillator to me.

If that is indeed the oscillator, I was wondering if anyone can tell me specifically which oscillator it is? I would like to know the part number if possible (could it possibly be the HC-49?).

You can see more pictures of the iMac here:

KODAWARISAN?????????? (New iMac)?KODAWARISAN Mac?????????????????

Thank you to anyone who knows this.....

Jason
 

Jason,

It is a crystal, not an oscillator module. It is HC49/4H package I think. The frequency will be written on it.

Keith
 

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