Now that you jog the old grey cells, of course you're right; in fact, the manual states "You should make sure that you buy diskettes for SOFT SECTORED FORMAT (in caps!)... What confused my recollection was that I remembered making a few bucks selling hard-sectored diskettes to PET dealers when the FDDs first came out, but now that I think back it was probably because they were cheap & we'd discovered that they'd work, not because they were required. I did think that the high-density drives used at least one index hole, but no, just looked inside the 8050 and no sensors; wrong again (and how many times have I ranted to myself that people who don't know what they're talking about should keep their mouth shut). In the words of the immortal Emily Latella (?) on SNL: never mind... m ---------------Original message----------------- Date: Tue, 30 Oct 2001 18:37:45 -0800 (PST) From: "Fred Cisin (XenoSoft)" <cisin(a)xenosoft.com> Subject: Re: hard-sector 5 1/4 disk Commodore, like Apple, was COMPLETELY soft-sector - it ignored the index pulse COMPLETELY, and therefore would work with hard-sector, soft-sector, upside down (with write enable notch), ...