• Updated 2023-07-12: Hello, Guest! Welcome back, and be sure to check out this follow-up post about our outage a week or so ago.

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  1. cmosless

    Powerbook 140/50 problems

    Don't worry, I removed all of the batteries first before powering them on. Yes, the Powerbook 140 has a backlight that comes on, but I can't see anything, it's simply grey (but not the raster grey that appears, the screen is uniformly grey with no visible pixels). Currently leaving it on for...
  2. cmosless

    Powerbook 140/50 problems

    So I recently acquired three Powerbooks for $20 each, a 140 and two 150s, and all of them seem to have issues. So here's what's wrong with each: Powerbook 140: the battery is totally dead, no corrosion, cosmetically in good condition. It will power on and I can hear the startup sound, followed...
  3. cmosless

    Performa 6400/200 not reading/writing 800k disks

    Well, I decided to remove the floppy drive and manually clean it (and spent a solid 15 minutes trying to remove the front bezel without snapping it in half, the manual makes it look so easy :-/ ). I cleaned what appears to be a mix of tar/dust caked onto the exposed circuit board (previous...
  4. cmosless

    Performa 6400/200 not reading/writing 800k disks

    Sorry for the late response, I did figure out why the disks were appearing as locked. The Performa had 7.6.1 installed on it, I went ahead and downgraded to 7.5.3 from an installation disc and now all of my 800k disks are appearing as they should - unlocked. However, now I am now experiencing...
  5. cmosless

    Performa 6400/200 not reading/writing 800k disks

    I needed to copy some applications over to my Macintosh Plus, and the only working Macintosh I have that should be able to do this is my Performa 6400/200. Although it has a dead PRAM battery, the machine works just fine, but I noticed some odd behavior with the floppy disk drive, and I can't...
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