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  1. Important Information

    1. The 68kMLA Forum Rules   (12517 visits to this link)

      To quote vintage Apple manuals: "Read Me First!"

  2. Community Connections

    1. General 68kMLA News & Stuff

      What's going down in the barracks.

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    2. Conquests

      Discuss your latest vintage Mac finds!

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    3. Trading Post

      Feel free to trade all of your Mac goodies here with all honest intentions. The website provider assumes NO liability, so buyer beware! Please see this topic for more information.

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  3. Projects & Hosted Forums

    1. RetroChallenge

      What can you do given only one month and strictly "retro" hardware? Find out with RetroChallenge!
      http://retrochallenge.org/

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    2. 68kMLA Wiki

      The creation and maintenance of the 68kMLA's information repository. https://wiki.68kmla.org/

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  4. 68k Model Forums

    1. Compact Mac

      Macintosh, 512k, SE, etc.

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    2. Mac II, Quadra & Centris

      Just think, having a Quadra 950 in 1992 would be like having a Mac Pro today… except with more slots, more expandability, and on-board SCSI!

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    3. 68k LC & Performa

      Ah, the consumer computers!

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    4. 68k PowerBook

      From the Portable to the 190cs.

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  5. PowerPC Model Forums

    1. NuBus Power Mac, LC & Performa

      The NuBus architecture gets a new brain!

      3k
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    2. PCI Power Mac & Performa

      The PPC comes of age and adopts the industry standard expansion slot.

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    3. G3/G4/G5 Power Mac, iMac & eMac

      From the Beige G3 to the quad-core G5, via various iMacs!

      14.3k
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    4. PPC PowerBook & iBook

      All that power in a laptop? Never…

      9.6k
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  6. Everything Else…

    1. Apple I, ][, /// & Lisa

      Not really 68k Macs, but certainly Vintage!

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    2. Newton

      The best PDA ever finally gets its own forum!

      1.1k
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    3. Software

      Includes system stuff, productivity, emulation, design, and games for pre-OS X Macs!

      18.4k
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    4. Hacks & Development

      Yes, it's back! Hardware hacks/modifications and software development for Mac OS.

      22.6k
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    5. Peripherals

      Anything you can hook up to your Mac or stuff into it as an interface!

      16.4k
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  • Recent Posts

    1. 10

      The PCI Bridge Gazelle board problem - Patching the patcher?

      Once again, thanks for the analysis I've provided the device tree readout, as well as the properties for the pci-bridge device, from the 6400's Open Firmware here: https://imgur.com/a/RnxrAnl The card we both have is one of these, with the SATA BIOS ROM IC exchanged for a larger ROM IC, containing the SeriTek 1S2 firmware that allows the SiI3112 chipset to function as a SCSI device under Classic Mac OS: https://www.amazon.co.uk/KALEA-INFORMATIQUE-contrôleur-Professionnelle-COMPOSANTS-Préinstallés/dp/B01NA6UKA8/
      Daniël in Hacks & Development
    2. 0

      Macintosh SE crt black after changing ram

      My SE FDHD has been working perfectly for almost a year now, however I recently decided to change the ram and after doing so I no longer get a picture on the crt but the machine still boots. Anyone know what might've caused the CRT to stop working?
      manilafungus in Compact Mac
    3. 10

      The PCI Bridge Gazelle board problem - Patching the patcher?

      This afternoon I've started looking at one of the other word definitions in the patch, "make-nodes". This is the core of the patch, and although I don't know all of what is going on in it yet, the broad strokes are fairly obvious. The tl;dr is that of course, the patch does not enable enumeration behind PCI bridges on OF. Instead, they've gone with the sensible low-effort approach of faking it instead of making it; the patch essentially constructs the devices that would have been discovered in enumeration. Here it is split into rough functional blocks: : ma
      cheesestraws in Hacks & Development
    4. 33

      Powerbook 100 Battery Rebuild

      The BMS circuit appears to be preventing the computer from charging it above 7.3V, as expected. Only thing to do now is leave it running and time how long it lasts. One nice thing about this setup is that it doesn't turn off when you unplug the mains power, unlike the eBay one. This needs way more testing before I can really endorse it though. It's a bit annoying - MyBattery can no longer be registered since the online digital goods store "Kagi" went down years ago. Dunno if Jeremy Kezer is dead or alive but I'd love to get hold of a serial number for the s
      electricmonk in 68k PowerBook
    5. 33

      Powerbook 100 Battery Rebuild

      Well ladies and gents it worked! So far anyway. I designed and 3d printed this battery shell: Here's an early failed print attempt - forgot to photograph the successful print: Anyway, I eventually got it to print properly. Then I cut some brass strips and soldered wires to them for the contacts (note how unbelievably badly the overhangs printed on the underside - whatever, it's functional): Then I inserted the BMS (battery protection & cell balancing circuit) and the cells in there, all wired up:
      electricmonk in 68k PowerBook
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