Chuck Swiger <cswi...@mac.com> wrote: > On Jul 19, 2011, at 2:10 PM, Peter Jeremy wrote: > > On 2011-Jul-19 10:54:38 -0700, Chuck Swiger <cswi...@mac.com> wrote: > >> Unix operating systems like SunOS 3 and NEXTSTEP would happily > >> run with a DEV_BSIZE of 1024 or larger-- they'd boot fine off > >> of optical media using 2048-byte sectors, > > > > Actually, Sun used customised CD-ROM drives that faked 512-byte > > sectors to work around their lack of support for anything else. > > Hmm-- my brain could be fuzzy about things twenty-plus years > ago. But I remember booting a Sun3_35 or _60 from a non-Sun > or Sun OEM'ed SCSI CD-ROM drive, probably a Plextor?
IIRC, Plextor (and maybe some others) had a switch to select 512 or 2048 as the default transfer size, precisely so that they could be used as boot devices with systems that supported only 512. _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
