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installing xenix 386 2.3.4 on Qemu

May 30, 2019

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9 Comments

  • Reply Jason Stevens May 30, 2019 at 4:15 pm

    I did slip in a VM to NT 4.0 … it'd eventually lose sync, probably Qemu or Virtual PC running too fast.

  • Reply Brian White May 30, 2019 at 4:15 pm

    Connection with the outside world: If you manually mkfs a whole primary fdisk partition or a whole disk device, ie do not use divvy, then linux can mount and read and write that disk image. You can use a whole disk or whole partition device with tar or cpio too if you don't need random access.

    This I'm not sure about in a vm: Install digiboard or equinox drivers to get support for serial speeds over 9600 baud. That plus kermit = almost as good as tcp.

  • Reply Jason Stevens May 30, 2019 at 4:15 pm

    I was able to run it on a Pentium 150, with a 3com NIC ok.. Oddly enough a 512MB flash/ide thing would cause kernel panics, but a 2Gig IDE disk ran fine.

    I thought I shipped the box but I was wrong 🙁

  • Reply Brian White May 30, 2019 at 4:15 pm

    Been waiting for this to work in _anything_ for years. I see it works in the latest virtualbox too now. Installing from scratch I mean. dd images of existing systems worked but not the installer.
    Limits to be aware of setting up a vm:
    Max ram 16MB
    Max filesystem size: 512MB
    Disks and fdisk primary partitions can be larger than 512MB and you can have multiple 512MB divvy slices on one or more partitions.
    Max safe cpu speed was 486dx50 (timing loops in some drivers)

  • Reply Jason Stevens May 30, 2019 at 4:15 pm

    it is an interesting thing, although MS quickly abandonded Xenix when it began the quest for Windows NT back in 1988, under the old name of OS/2 NT

  • Reply braziercustoms May 30, 2019 at 4:15 pm

    I get qemu: could not load PC BIOS 'bios.bin'

  • Reply Mike Garcia May 30, 2019 at 4:15 pm

    @324trf223 cool… thanks for the video

  • Reply Jason Stevens May 30, 2019 at 4:15 pm

    @gwald more like 1988 but who's counting? and yes outside of disk issues, there isn't that much involved in installing Xenix it really was simple… Its more a shame that it cost so damned much, otherwise nobody would have wasted time with MS-DOS.

  • Reply Mike Garcia May 30, 2019 at 4:15 pm

    that looked too easy for 1985

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