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    Performa 475 power problems

    So I got myself a cosmetically very nice Performa 475 without a hard drive and without VRAM. It doesn't really turn on and I'd like to find out if this is a power supply problem or a faulty logic board. When switching on the machine it clicks/pops continually from the speaker; the LEDs in the...
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    mounting SE/30 drives on a different computer

    The problem looks to me as follows: I'm trying to archive two hard drives coming from two SE/30. What I'm attempting to do is to connect them to the SCSI bus on my 8100, mount them and read the contents. So far this does not work. SCSIProbe sees the device (and is able to flash the LED on one...
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    Macintosh Portrait Display M1031

    Many years ago one of my students gave me a IIsi with the above Portrait Display. I've always liked that combination and used it occasionally as a terminal for a Synclavier. After putting everything in storage and moving a few times I thought it was time to break out all those oldies again...
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    SE/30 recapping: sound chip question

    I'm currently preparing to recap a SE/30. First time for me so I'm taking some precautions. Now most electrolytics go from a voltage rail to ground, in fact nearly all of them. However there are a couple of electrolytics in the audio circuit as well. C3 and C4 are directly in the audio path so...
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