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    1. General 68kMLA News & Stuff

      What's going down in the barracks.

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      Discuss your latest vintage Mac finds!

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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!
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      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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  5. PowerPC Model Forums

    1. NuBus Power Mac, LC & Performa

      The NuBus architecture gets a new brain!

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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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  6. Everything Else…

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

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    5. Peripherals

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  • Posts

    • AlexTheCat123
      Macintosh Quadra 700 Battery Leakage

      By AlexTheCat123 · Posted

      I am certain that the SCSI drive has a compatible OS on it because it is running System 7.5. According to my research, U92 is the RTC and PRAM chip, so that shouldn't have anything to do with the SCSI bus, right? It is a relief that the green tint is probably not a problem with the computer itself. I was sort of nervous that I had yet another repair problem on my hands.
    • olePigeon
      Macintosh Quadra 700 Battery Leakage

      By olePigeon · Posted

      0000000F 00000001 looks to be a BUS error.  I've seen that error on my IIci when my SCSI drives aren't terminated correctly.  I wonder if U92 has something to do with the SCSI BUS.   1.  I think the green tint is because the monitor doesn't understand Sync on Green?  That'd be my guess.   2.  This could be related to the error you had already.  So maybe the SCSI BUS is still having issues and is preventing you from using a known good SCSI drive.  Also, are you certain the OS on it is compatible with your specific machine?
    • Trash80toHP_Mini
      Farallon ETHERMAC LC NSC w/NuBus drivers in the SE/30 PDS?

      By Trash80toHP_Mini · Posted

      Thanks for the offer. I've got a pair of DOA LCs I mostly got for hacking the case lids long before the caps issue came to the forefront. They may be good after all?   Popped the lid on one and it's PDS is well marked on the silk screen layer. Checked the DOA SE/30 board (got it in trade from someone who borked it in a recap attempt) is marked the same manner. Never realized there was a "Mirrored Z" patterned number scheme for the pins from pin 1 @ 1A to pin 32 @ A32, then over to pin 33 @ B32 and back from there pin 64 @ B1 and finally over to pin 65 @ C1 and up to pin 96 @ C32. 68030 PDS is the same deal with 120 pin. Always bothered me that the columns weren't labeled A-B-C for grid reference on the boards, but now I know how it's done.    Spudged the wrap map from the connector side with the help of a top coat of it as a solvent. Which bring a question to mind:   Does anyone know if Elmer's Rubber Cement is at all conductive or a good insulator? Figured it'd be the latter, but now I have need to know.
    • maceffects
      Farallon ETHERMAC LC NSC w/NuBus drivers in the SE/30 PDS?

      By maceffects · Posted

      @Trash80toHP_Mini if you need an LC to play around with I think I have some, they work but need caps.  I'm sure I can lend one out if you think it would be helpful.
    • Unknown_K
      SuperMac Thunder/24 ROM needed

      By Unknown_K · Posted

      I think you need 3.0 for PPC machines (and probably OS 7.5x and over).
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