[TUHS] 386BSD on Bochs & Qemu...

[Natalia Portillo]

El 04/05/2010, a las 20:37, Jacob Goense escribió:

> On Mon, April 26, 2010 07:22 "Jason Stevens" <neozeed at gmail.com> wrote:
>> Well I've been able to find this much out...
>> 
>> The CD has some kind of weird 'live' CD filesystem to it... It would
>> seem that 386BSD 1.0 demanded you have an Adaptec 1542 controller
>> hooked up, and with special roms & whatnot it could 'boot' from the
>> CD...
>> Needless to say, this predates anything like IDE CDROM's or or what
>> most emulators will emulate.
> 
> That "Bootable CD" button on the CD cover is just a marketing fact
> AFAICT. I don't have the foggiest how that was done in the pre eltorito
> days on an x86.

SCSI HBAs with integrated boot firmware in BIOS compatible way (that is, trapping INT 13h) can be used to boot ANYTHING in SCSI that behaves like a random access block device.

That means, floppies, LS-120, ZIP, hard disks, CD-ROMs.