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Date: Thu, 27 Jun 2013 10:51:04 -0600 (MDT)
From: Warren Block <wblock@wonkity.com>
To: "illoai@gmail.com" <illoai@gmail.com>
Subject: Re: Booting FreeBSD 1.0
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Cc: "Julian H. Stacey" <jhs@berklix.com>,
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On Thu, 27 Jun 2013, illoai@gmail.com wrote:

> On 27 June 2013 11:11, illoai@gmail.com <illoai@gmail.com> wrote:
>>
>> On 27 June 2013 10:46, Julian H. Stacey <jhs@berklix.com> wrote:
>>>
>>> Warren Block wrote:
>>>> Yes, 1.0, from November 1993.  The install CD is here:
>>>> http://ftp-archive.freebsd.org/pub/FreeBSD-Archive/old-releases/i386/ISO-IMAGES/FreeBSD-1.0-RELEASE/
>>>>
>>>> emulators/qemu boots from the floppy image in the cdinstal directory,
>>>> but reports "no cdrom found".
>>>>
>>>> I managed to find a Pentium 4 system with a working floppy drive, found
>>>> a working disk, made the boot floppy, and then booted it.  It boots and
>>>> reports the same thing.  Putting the CD drive on a separate IDE bus or
>>>> as a secondary on the same bus as the hard drive makes no difference.
>>>> Chipset too new, maybe.
>>>>
>>>> Any ideas short of "find an original Pentium system that still works"?
>>>
>>> I recall FreeBSD CDROM images have had 2 different types of boot
>>> sequences, I think it matched evolving generations of BIOS support.
>>> The change was some years back.  Maybe qemu only supports the newer of the 2
>>> CD boot methods.
>>>
>>
>> Is there perhaps a way to emulate a SCSI CD drive?
>> Those tend to work no matter what.
>>
>
> Aha, from install.txt:
>
> | CD-ROM drives:
> |  Mitsumi CDROM drive with Mitsumi Controller
> |  Most SCSI CD-ROM drives on a supported SCSI controller
>
> So I suppose no IDE.

The cdins_ah.flp image says it supports IDE, but I bet you're right, 
that's only for disks.  qemu can emulate a SCSI CD-ROM, I think.