Subject: Re: non-512-byte-sector devices vs. UBC
To: Ignatios Souvatzis <>
From: Herb Peyerl <>
List: tech-kern
Date: 06/08/1999 07:16:39
Ignatios Souvatzis <>  wrote:
 > On Tue, Jun 08, 1999 at 02:27:22AM -0700, Erik E. Fair wrote:
 > > Can I cite an existing example, beyond the common CD-ROM, right now? No.
 > Magneto-Optical disks with 1024 and 2048 bytes of block size. (I have one.)
 > Especially in Japan: FAT floppies with 256 to 1024 bytes of block size.
 > A pet project of mine is to provide driver support and a filesystem for the
 > access of OS/9 Floppies (most use 256 bytes/sector)... 

Apollo (Domain/OS) Used 1536 byte sectors IIRC though I don't remember if
that was a feature imposed by the hardware (WD7000-ASE ESDI and SMS-OMTI
ESDI) or whether that was just a filesystem issue...