cool, so i see you are trying your luck with ebay.
What a nifty rom simm indeed.
Good luck with your ad jeff

<https://lh3.googleusercontent.com/-MX0P1pY9NXw/UiBUarKUo7I/AAAAAAAABek/FQQ-VeiolV8/s1600/Screen+Shot+2013-08-30+at+4.04.08+AM.png>

http://www.ebay.com/itm/Rare-Apple-Macintosh-ROM-IIsi-SE30-IIfx-/141048691098







On Sunday, August 11, 2013 6:37:49 PM UTC-4, The Old Geek wrote:
>
> This is not your normal post. I have a probably one-of-a-kind ROM SIMM. 
> When placed in my SE/30, a risk I took based on the age and shape of the 
> ROM, it booted. There was nothing out of the ordinary about the operation 
> with the SIMM clipped in. But the SIMM says Erickson ROM 1.04b, 6/19/90 
> each chip has a
> different ID number on it's paper. The paper also says Apple Confidential 
> then @Apple 1983-90.
>
> The Green Board says on its back Apple Computer and is dated 1988. The 
> chips are Intel dated 1986. it is possible that this SIMM fits a IIfx. Or 
> one of a few 
> other Vintage Macs that use a clip-in ROM. Wherever it belongs, and 
> whatever it's purpose, is a mystery. I'm looking for the most expert of 
> people to help identify
> this really rare piece.
>
>
> No guess-timates, please. This really is a problem for the best of the 
> best of Apple Historians. 
>
>
>
> J.S. Garrison
>

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