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  1. alectrona6400

    PowerBook 540c screen issue

    speaking of that... would it be possible to swap the screen on a 520 with a color active matrix screen?
  2. alectrona6400

    IIsi onboard ram replacement

    i do have a nubus adapter, though i'm not sure which card to buy. is there anything with a video chipset and ethernet by any chance?
  3. alectrona6400

    Interware Booster CV 40 - Doesn't work on SE/30

    i figured. just thought i'd mention that anyway >_>
  4. alectrona6400

    macintosh IIsi 4MB onboard RAM upgrade

    i'm doing a reloaded build and i think i may have screwed something up kinda badly since i don't get video anymore. i'll have to fix it when i have the time to, but now that i have the microscope i can easily see what i'm doing, whereas i wasn't really able to see everything earlier.
  5. alectrona6400

    Interware Booster CV 40 - Doesn't work on SE/30

    the IIvx and IIvi (also the performa 600) are some weird machines... funny thing is they're not actually based on the macintosh II series architecture and run a 32MHz CPU on a 16MHz data bus (and the IIvi ran a 16MHz CPU) which really hampered performance. at least you can apparently swap the...
  6. alectrona6400

    macintosh IIsi 4MB onboard RAM upgrade

    yeah, you really wanna make sure nothings left unchecked, especially if you're using cheaper equipment thats not exactly rohs certified.. lol. checked my SE/30 reloaded board that doesn't work with my microscope today and it's a HOT MESS! you really gotta be careful using solder paste, but its...
  7. alectrona6400

    $37 USB Microscope on Amazon..Great results!

    i mean its a heck of a deal considering how expensive the professional grade ones are... and also more expensive ones used for repairs. this is really going to help me out... especially with stuff like my se30 project which is getting quite rough, and now i see why i'm having issues. soldering...
  8. alectrona6400

    $37 USB Microscope on Amazon..Great results!

    damn, the quality on this is impressive! what matters a lot is definitely the optical zoom... its perfect for what i'm doing. here's a test photo i took with a clean, but 32-bit dirty SE/30 ROM SIMM. lol
  9. alectrona6400

    IIsi onboard ram replacement

    yeah, its better if you have a discrete video card because you'll be using more shared memory when using the onboard video. speaking of which whats a good cheap card for the IIsi? ...assuming its not gonna be cheap anyway, because apple hardware. lol
  10. alectrona6400

    Just got a Macintosh Classic ii

    honestly chances are anything that runs on a 68030 will run on system 7.1. 7.5.x gets a huge hit in performance, though you could strip it down. i do like the control strip in 7.5.3, wondering if that can be backported to 7.1 myself...
  11. alectrona6400

    Katheryn's Macintosh SE/30 saga

    welp... already finding a lot of things i screwed up on. this doesn't seem like its totally bridged, but theres quite a shocking amount of paste that didn't get heated through. yeaaaahhh definitely invest in a microscope for one of these projects. if you're doing it without one, you'll screw up...
  12. alectrona6400

    macintosh IIsi 4MB onboard RAM upgrade

    yeah, its definitely not the only thing to use. thats why i said you'd want to touch up the joints to be sure that everything is making contact and that no bridges are made. you also wanna make sure any stray solder is not present because that can really mess up your day if left unchecked...
  13. alectrona6400

    macintosh IIsi 4MB onboard RAM upgrade

    the area around the ram chips is kinda discolored because of the crappy flux i used the first time i tried doing this... its a pain to get off but i don't wanna mess with it again. also yes, i did try thinkin things 2 on this outta boredom... it does not run well on a 25mhz 68030 even with the...
  14. alectrona6400

    IIsi fault ...

    just noticed the coin cell socket, should try that even though my IIsi already has a working half AA pram battery because i just replaced it ;)
  15. alectrona6400

    Pin-out M7783 power supply Duo 230

    afaik the duo does share the same plug as the infamous yoyo charger (which costs more than getting an ibook g4 with the charger included nowadays) but i did notice the duo's PSU is 36W(?) as opposed to 45W which the other 3.5mm barrel chargers used. perhaps the pinout is also different on the...
  16. alectrona6400

    IIsi onboard ram replacement

    hate to necropost but 1MB isn't your only option if you're insane like me. you can actually get 4MB to work with the right chips (they have to be 4bit, not 1bit) and i did this recently because i "have too much unsupervised free time" according to some guy in a public tech discord server i was...
  17. alectrona6400

    macintosh IIsi 4MB onboard RAM upgrade

    so i know a few people have talked about this, and i am also one of the 2 people who tried this recently. any IIsi owner knows these things: the power supplies LOVE to crap their guts out with ELNA caps if not recapped, the speakers drop occasionally because of a strange design, and... the...
  18. alectrona6400

    Katheryn's Conquests!

    got it up and running yesterday with a working CD-ROM external drive that i put together with an old enclosure, an 8x applecd, and a scsi cable from a dead lacie enclosure (which i got rid of a long time ago... and the drive in there doesn't play well with 68k macs but it DOES still work) and i...
  19. alectrona6400

    PowerBook 540c screen issue

    perhaps, yeah. screens for laptops this old can be super hard to find.... so you'd likely have to spring for a donor unit. or you can find the model of your panel and find the replacement panel for it, i suppose.
  20. alectrona6400

    SE/30 Board Mystery Issue

    yes, that usually means a successful boot... but i would check your video PAL, UE8, and the TMS4461 chips... do you get no video at all or do you just get the horizontal jail bars?
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