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I've got an Innoventions SIMCHECK RAM tester, part number INN-8448. It tests 30 pin SIMMs and SIPPs, with adapters available for DIP chips and 72 pin SIMMs. Works great. The unit I have didn't come with the 72 pin adapter unit, I bought that separately. While I've seen these parts used...

I landed a Tektronix 6130 earlier this year, one of a few NS32000-based workstations Tektronix offered in the 1980s. I was very surprised and pleased to discover that it was able to boot from the ancient Micropolis 1302 hard drive inside. No expansion cards, and the UTek installation has been...

Recently landed an Opus Systems 110PM ISA card, the NS32032 version - but it did not come with a memory daughtercard. So, if anybody happens to have an extra 1MB (Opus321) or 3MB (Opus323) card, I'm an interested buyer.

(If that lyric/title didn't cause a painful flashback, please click here.) About two years ago I picked up the keyboard from an old Xerox workstation - not the Alto, but it had a definite 1970s "look and feel" right down to the DB-25 connector. This was part of the clear-out from Peter...

I'm still interested in the Nat Semi 32k family. Keeping an eye out for chips/chipsets, boards, systems, docs. Working things preferred, but I'm not delusional - whatever state they're in is fine. And if you're sitting on a pc532 you want gone, I'm your guy. ;) Symmetric 375, DB32000...