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    • Do you hear a chime? If not then there may be a problem with the ROM. Pull the chips, clean and reseat them. You should recap the LB!
    • This does sound good. I'll give it a go tonight, if I can. Thanks.
    • Hopefully I don't annoy anybody since I can't answer directly to your questions. But I have worked with/on IIfxes in the early 1990s. I always prefer original sources, which means Apple in this case. Apple's Memory Guide: https://www.macintoshrepository.org/24780-apple-memory-guide states (p. 12) The original Apple leaflet for the IIfx ( http://tech-insider.org/mac/research/acrobat/9003.pdf ) mentions that 80ns SIMMs are needed. In the 1990s I often found that the original memory speeds became difficult to obtain, but faster modules mostly proved to be backward compatible. So this may indicate that your modules, it they prove to be 70ns, may work. What concerns me is that they are copyrighted 1990, quite early, so not sure about the 70ns.   However there are no warnings that LaserWriter memory may destroy fx hardware, so it may be worth a try, given the modules look in good shape. But you may encounter the startup crash sound (a minor down chord) and a sad Mac, which does not mean your hardware is toast but the Mac cannot start. However there is always a risk with unknown hardware. So I do not want to make actual recomendations.   Remember using always 4 identical modules per bank, and start filling up the fx with the largest modules in bank A (the latter required on many Mac IIs but not specifically mentioned for the fx). Parity memory may also be a concern, but only some specific (rare) models are requiring it, other models may (or may not) just ignore the additional information (same module form factor).      
    • Thanks i thew out the original battery and hdd but im sure i can find another somewhere
    • Kind of you to think of me, but unfortunately I'm nowhere near competent enough at the kind of low-level programming this would require.  Aside from some dilettante dabbling, I'm most comfortable firmly in application space   That said, definitely sign me up for a Linux version (modulo financial disaster).  I'd love to have a go at getting the "split world" stuff going (someone hacked rootless mode into Basilisk a while back, I was wondering if using the same approach but in reverse might work to allow handing over parts of the Mac desktop to the Linux side to draw...)