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  1. bobo68

    Reviving a Power Mac G3 - it is the floppy drive, stupid

    I have Power Mac G3 beige minitower which I think is a perfect bridge Mac between the old classics and the modern world. It still has SCSI but can also be equipped with USB and Firewire ports. It can read and write HFS and HFS+ with Mac OS 9 and up. After some years in storage I needed mine...
  2. bobo68

    SE/30: distorted picture

    Hi, I purchased an SE/30 which runs fine but the monitor picture is vertically compressed (more on the left side, less on the right side). It stays the same even when the SE/30 warms up. Is this a problem on the analog board or at the monitor yoke? Any hints are much appreciated. Best, bobo68
  3. bobo68

    Quadra 650 does not start up - capacitor blown and a bit of mystery

    Hi, I acquired a Quadra 650 which was in very good visual condition but would not start up. I'll make the long story short: the Quadra has a blown capacitor C203 on the underside of its mainboard: (the cap was initially "complete" but blown - one part fell of when I tried to clean the...
  4. bobo68

    Install Mac OS 9 on a PMac 6100

    Hi, I'm struggling to install Mac OS 9.1 on my 6100. The only CD-ROm drive I have is a third party one and I cannot make it boot from the original Mac OS 9.1 install CD. I also cannot install OS 9.1 from the mounted CD without booting from it because the 6100 currently has OS 7.5 installed...
  5. bobo68

    Mandelbrot program for 68k and PPC

    Hi, is there a fractal image generator for mandelbrot's etc. that runs optimized on both 68k and PPC Macs? I'd like to do a tangible demo of the advances in computing power between 68k (Mac SE/30) and  PowerPC (PMac 6100 or G3). Maybe there are other programs that are well suited for such a...
  6. bobo68

    Software for G4 ZIF processor replacement for Power Mac G3

    Hi, I bought a beige Power Mac G3 mini tower. It has a G4 400 Mhz processor installed instead of the original G3. The replacement is from a company called Metabox (went out of business long ago). I read it is basically the same as Sonnet's Encore/ZIF G4 or Daystar's XLR8 MACh Speed G4 ZIF...
  7. bobo68

    Apple External Hard Drive 40SC

    Hi, I just acquired a 40SC in its original state from end of 80s. I thought this might be useful as a reference. Luckily the Service Source for this hard drive family (20SC, 40SC, 80SC, or 160SC) is still available: http://tim.id.au/laptops/apple/misc/external_hard_drive_sc.pdf so it is easy...
  8. bobo68

    A Yankee joins the Krauts

    Sorry for the topic, could not resist.  :) I just acquired a US Macintosh Plus in nice (outside) condition. It is a 1987 model. It even came with a voltage transformer as it was used before over here. I guess I have to do the usual recap. Also the screen flickers when I (gently) hit the...
  9. bobo68

    Mac IIci recapped - rare video card from Miro

    Hi, just finished recapping my IIci with tantalums. Works nicely. You can see it getting a fresh System 7.5.5.  :ii: The machine came with a rare video card I guess. It is a Miro Prisma Plus V 1.1.d made in W. Germany (1989) :) There where no drivers for the video card on the hard...
  10. bobo68

    Change line fuse on an Asante Maccon daughter card

    I need to change the fuse (12V, 0.5A) you can see on the pictures. Do I have to solder in a new one or can I change just the inner part of the fuse? It looks like the the whole thing consists of two end parts and an inner part but I cannot move the inner part. So maybe it is just one piece...
  11. bobo68

    Cannot choose startup partition

    Hi, on System 7.1. and 7.5 I cannot choose another partition of my external drive to boot from. I can click on e.g. the 2nd partition/volume in the control panel but it does not stick. When I reopen the panel, all partitions are highlighted. When I reboot the Mac (SE/30) boots from the first...
  12. bobo68

    Mac SE/30 with strange SimasiMac - help needed

    Hi, I acquired an SE/30 some time ago and it worked but started to show first symptoms of SimasiMac. Some weeks ago I gave it to a friend who has good soldering skills to do the recap. I gave him just the mainboard with everything removed. When I got the board back and installed it, the SE/30...
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