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  1. clockchip

    Performa 475 howto install 7.5.5

    Yes I also used another 8GB SanDisk SD card formated with the same tool. But I have the same issue.
  2. clockchip

    Performa 475 howto install 7.5.5

    Yes I used the SD Memory Card Formatter Tool with the „Overwrite Format“ option on.
  3. clockchip

    Performa 475 howto install 7.5.5

    The SD Card I use is a "SanDisk Ultra 32GB". The log file of BlueSCSI says that the hd images are fragmented. So I followed the orders from the BlueSCSI GitHub page to fix the problem (low-level format of SD Card and copy each image file separately to the SD Card). However, despite completing...
  4. clockchip

    Performa 475 howto install 7.5.5

    Today, I had the opportunity to test the image provided by @Phipli. (Thank you for sending it.) Although it successfully booted, I noticed that the disk performance was significantly slower compared to my original SCSI Disk, which booted much faster. In an attempt to assess the situation, I...
  5. clockchip

    Performa 475 howto install 7.5.5

    Thank you all for the quick information I will try it later in the evening.
  6. clockchip

    Performa 475 howto install 7.5.5

    Hello, I've been interested in all kinds of retro computers for a long time and own some current Apple computers, as well as 8-bit computers from Apple. However, this is the first time, apart from using Shapeshifter emulation on the Amiga, that I want to install a 68k color Mac from scratch...
  7. clockchip

    Performa 475 Video Ram

    I bought it from ebay from a french guy, and he was very nice and he will send me an replacement. Regarding the bad solder joint i investigated the modules with my microscope and found no issues.
  8. clockchip

    Performa 475 Video Ram

    Ok after some unsuccessful cleaning it seems that there is a defect VRAM chip on the memory module. I will return it and get an replacement.
  9. clockchip

    Performa 475 Video Ram

    Ok I will try to clean the contacts.
  10. clockchip

    Performa 475 Video Ram

    Hi, I bought an recapped Performa 475 from ebay and the mac worked perfect. So i bought two new 512 Kb video ram modules to extend the graphics capabilities. Unfortunately after swapping the video memory modules I recognices that the graphic output has some faulty pixels (please refer to the...
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