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  1. 3lectr1c

    PowerBook 100 & 170 owners

    It's no problem. The main reason I took those photos is to get high-quality shots of each machine online for people to reference and use. I've been meaning to add a note to the collection pages to tell people they're public domain.
  2. 3lectr1c

    PowerBook 100 & 170 owners

    Active Matrix became "TFT" in marketing and specsheets over the course of the 90s into the early 2000s, as it became less important to differentiate between Active and Passive displays. "Active Matrix" and "Passive Matrix" sound better in marketing, are less technical, and are easier to remember...
  3. 3lectr1c

    PowerBook 100 & 170 owners

    I know for sure that the LCM is directly compatible. I'm not sure about the backlight. @techknight may be able to confirm. With regard to LCDs - Active Matrix just means that each pixel's state is actively controlled, in contrast to passive matrix which is expected to remain in the last set...
  4. 3lectr1c

    PowerBook 100 & 170 owners

    A few notes and corrections as I look through the specsheet you linked: - Active Matrix is not a "precursor to TFT" - TFT and Active Matrix mean the exact same thing. - The keyswitch type used on all 100 Series PowerBooks is ALPS KFNR: https://telcontar.net/KBK/Alps/KFNR. I do not know if the...
  5. 3lectr1c

    PowerBook 100 & 170 owners

    Please, please, please, please do not ever use ChatGPT for anything even semi-obscure. Everything in retrocomputing counts as "semi obscure", in my opinion. It will happily make garbage up where it doesn't have the info. Unrelated note - it might be useful to know that the Portable and...
  6. 3lectr1c

    Brittle Plastic Writeup

    Also worth noting that this doesn't confirm that BFRs are the cause behind plastics yellowing. The Halikan's plastics looked more or less the correct color, based on original marketing photos I have. I'm not saying this isn't true, just that this particular testing doesn't prove/disprove that...
  7. 3lectr1c

    Brittle Plastic Writeup

    I don't know how widespread BFRs were in plastics - not all plastics with them are marked ABS-FR or something of that nature. You'd need to do chemical analysis of a wide sample range of different brittle and non-brittle plastics to find anything conclusive on what different factors are most...
  8. 3lectr1c

    Brittle Plastic Writeup

    Oh, those weren't my photos. They're screen grabs from polymatt's video, so they were already like that. I would have probably made them red if I was marking them myself.
  9. 3lectr1c

    Brittle Plastic Writeup

    Hi all, I just finished writing a comprehensive article on "brittle plastic disease" for MacDat's knowledge base. Notably, it includes electron microscope photography of a brittle part which shows exactly what's happening at a microscopic level. A big thanks goes out to polymatt for letting me...
  10. 3lectr1c

    68kmla MIA

    Turns out it was actually Defor, not Cory, who removed the thread. I've spoken with him on IRC. His opinion is basically: - we are working on things behind the scenes - these things are not ready yet - because we've said this before and not delivered, nothing i can say will change people's...
  11. 3lectr1c

    68kmla MIA

    Yesterday, I posted an open letter to the 68kMLA leadership onto the forum. Multiple users had replied with support to it. Unfortunately, the thread has vanished. Cory hasn't logged in today, so I'm not sure exactly who removed it, but it was silently removed nonetheless. Not locked, nuked...
  12. 3lectr1c

    68kmla MIA

    I don't doubt that Cory has been too busy to spend much time working on new features/improvements to the site, but if he has time to post on his social media almost every day, he has time to log onto the forum more than twice in 6 months. I just hope he follows-through on promoting new...
  13. 3lectr1c

    68kmla MIA

    Ah boy.
  14. 3lectr1c

    68kmla MIA

    whaaaaaa It's back.
  15. 3lectr1c

    68kmla MIA

    I'm down for that if other members are willing to coordinate.
  16. 3lectr1c

    68kmla MIA

    wthww only shows up when they're doing technical stuff related to the site - I think he was more into the Mac stuff a long time ago but not anymore. The two mods are defor and Gorgonops. Defor was brought on as a mod for the trading post - don't know what his current responsibilities are, but he...
  17. 3lectr1c

    68kmla MIA

    I don't think I'd get very far trying to coordinate with them, with how inactive they are unfortunately. At the very least, I'd make sure the scraper isn't hammering the site like the god-awful AI scrapers are.
  18. 3lectr1c

    Macintosh SE/30 Vertical & Horizontal Bars on Display "Simasima" Repair Guide

    This is amazing work! Good job to all those that contributed. I will link this page on the SE/30 page on my website :)
  19. 3lectr1c

    68kmla MIA

    I'd normally not be concerned about it, except for that Cory has been MIA since... May I think? He last logged in in August, but hadn't posted since May. He's still active on social media so it's clearer than ever that he's just lost interest in the site. No clue what wthww is up to. I wish...
  20. 3lectr1c

    Powerbook 180 & Tunnel Vision

    No modern replacements.