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paulrickards /
npub1kzs…q050
2023-10-19 12:10:10
in reply to nevent1q…74jq

paulrickards on Nostr: When I bought the ICs for the SunRem 2MB card, I missed the fact the top two chips ...

When I bought the ICs for the SunRem 2MB card, I missed the fact the top two chips (highlighted in yellow) are supposed to be 74LS373. Instead I stuffed 73S373 chips (note S vs LS) just like the bottom three (highlighted in red).

I finally got the LS parts and swapped those in.

Much to my surprise the card now seems to work perfectly, at least with MacWorks! 🎉✨

Thanks to npub1jmg8nl2p25ex6juc9m60lce0hfstsh86wxz69yqqx2f6s33n2ursrr26zh (npub1jmg…26zh) for reminding me!

#AppleLisaClone #RetroComputing





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