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Dog Cow

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  1. Dog Cow

    ROMBUS - 64 MB flash interface for Mac Plus

    I would be interested, so long as I had a specification to refer to. I have a Mac 512K, 512Ke, and Plus, so it would be easy for me to test all three machines for compatibility.
  2. Dog Cow

    Macintosh 512K and cables

    OK, probably the grease on the side of the diskette carrier has hardened into glue. Cleaning the 400K drive is fairly simple.
  3. Dog Cow

    Macintosh 512K and cables

    Has the floppy drive always been like that since you have had this Mac? Or is it a recent problem?
  4. Dog Cow

    Repairing broken plastic spacers on Macintosh SE

    It's ABS plastic. Use epoxy.
  5. I run 10.5.8 for HFS-write compatibility. Any chance you could compile with 10.5.x support too?
  6. Perhaps not such a long-shot. I've learned from past experiences and have developed some specialized techniques which are non-invasive. I strongly urge you not to disassemble the drive until you've tried other methods first. What sounds does the drive make, and what do you think is wrong with it?
  7. Dog Cow

    Making a 20SC disk bootable

    Plus should boot any ID except 7. Maz, Check your Startup Device CDEV if on an SE or newer machine. Make sure the drive is powered on before you switch on the Mac. Did you install System 6 with the same Mac you are now trying to boot it with?
  8. Dog Cow

    M0100 Mouse: New internal plastic housing?

    If you still have the pieces that broke off, try epoxy.
  9. Right, but that's just one source mentioning a 128Ke. There are others that I've come across, but like I said, it's scarcely mentioned.
  10. Agreed. It's a rather silly penny-pinching move to only go half-way. Here's a Usenet post from 1988 mentioning a Mac 128Ke. Note that even the poster then had never heard of this configuration. My source was this Usenet post from January 1986. I haven't verified the information in that post with any other source.
  11. Not quite. It had the original 64K ROM (which was frozen a few months prior, in September 1983), but it had 512K of RAM.
  12. It does. I've tried it. You get a 128Ke, and you can boot from an HD20 and do HFS stuff. I've seen a few mentions of the "128Ke" configuration from 1980s-era Usenet posts and other sources, showing that it was something people did back then. I'm still not entirely sure if this was an official Apple-supported upgrade. I do know that Apple was pretty strict with upgrades, required the dealer to do the upgrade, and made him return the old ROMs to Apple. So probably it was an Apple-sanctioned upgrade, just not a very common one in 1986. Regardless, it's an upgrade that some people did, and that does yield a more functional Mac 128K. I haven't done any in-depth analysis on system heap usage between the 64K ROM and 128K ROM in a Mac 128K, so I can't give you any more details on why it works. It just does.
  13. There were two upgrade packages for the Mac 128K and 512K: 1.) 128K ROM + 800K drive. You kept your original motherboard. This cost about $300. 2.) Mac Plus logic board upgrade. This required the first upgrade (ROM + disk), and came with the Mac Plus rear case. This upgrade cost $600 and $800 for the 512K and 128K Mac, respectively. 400K disks aren't all that bad. If you have a machine or a drive that can write double-sided 800K disks, then 400K disks will be no problem.
  14. Dog Cow

    A weekend conquest...