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Author Topic: Motherboard Revisions  (Read 10894 times)

blusnowkitty

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Motherboard Revisions
« on: November 15, 2020, 08:58:08 pm »
Curiosity question here - Saw this 2/5 on eBay today and am wondering what's up with the motherboard? https://www.ebay.com/itm/Apple-Lisa-2-for-Parts-or-Repair-SCREEN-TURNS-ON-read-description/393017216720

Specifically, the port label - anyone know when those icons were introduced? Looks like the 2/10 had them; perhaps it was a transitional thing from the /5 to the /10? These pictures of a 1 don't seem to include the port icons, and my 2/5 is similarly text-only. http://www.macgeek.org/museum/applelisa1/
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rayarachelian

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Re: Motherboard Revisions
« Reply #1 on: November 16, 2020, 05:34:01 pm »
Yup, this started with the 2/10. Likely so it matches the Mac 128 port icons:


(from http://facstaff.cbu.edu/~cyelving/Mac128.html )
I'd guess this was done to a) stick with the graphical/icon theme, and b) English only text wouldn't go as well in the non-English speaking world.
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stepleton

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Re: Motherboard Revisions
« Reply #2 on: November 16, 2020, 05:37:49 pm »
Wild guess: Non-US Lisas had keyboards with international symbols on various keys instead of "Return", "Clear", "Shift" and so on. Maybe these labels with symbols were originally for non-US machines?
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Lisa2

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Re: Motherboard Revisions
« Reply #3 on: November 17, 2020, 10:35:07 am »
This is kind of interesting, I have four Lisa 2/5 card cages and three of them have text only descriptions for the ports, and one has both text and icon's like the one in the eBay listing.  At first I thought maybe that early systems may have been text only ( identified by having a Lisa mouse port with clips and not screws ), but  of my boards the one with the Lisa mouse port also has the icons.  ::)  This system came from Sun Remarking and they mixed and matched a lot of components,  so I don't know if this was originally from a international system. 

On the lower corners of this sticker there are some part numbers, I will dig a little deeper and see if they indicate some sort of revision level. 
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