Re: [Freedos-devel] writing a loadable block driver for 4k-sector drive

2012-02-22 Thread jasse...@itelefonica.com.br
This is "in-reply to" Czerno/Bertho: ... >>> Do you mean to say "non-IBM" ? UIAM again, the "IBM" (should be >>> called "MS") formats are the usual FAT disks. IOW "non-IBM" is when >>> attribute bit 13 =3D 1. >> No, it's the other way around. If bit 13 is set, it means "IBM Format", >> but that d

Re: [Freedos-devel] [Freedos-user] writing a loadable block driver for 4k-sector drive (Questions)

2012-02-22 Thread Bertho Grandpied
"Bret Johnson" asked : > Do you know if DI1000DD has any support at all for 4k sectors? It has none - else this thread would not've been started in the first place. DI1DD supports 2K sectors for CD/DVD media, and 512-byte sectors only for magnetic disks. My first idea was to look whether

Re: [Freedos-devel] [Freedos-user] writing a loadable block driver for 4k-sector drive (Questions)

2012-02-22 Thread Mark Brown
i don't necessarily have the hardware to try: someone needs to try it on stuff they *know* is 4k. . eufdp...@yahoo.com eufdp...@yahoo.com eufdp...@yahoo.com eufdp...@yahoo.com eufdp...@yahoo.com

Re: [Freedos-devel] [Freedos-user] writing a loadable block driver for 4k-sector drive (Questions)

2012-02-22 Thread Bret Johnson
> And to answer a question posed elsewhere, yes I have confirmed > USBASPI.SYS (at least the particular version 2.27N? by Novac-Yaya > DIY) does handle 4K sector access properly on real media ; which is > the main reason I'm considering this approach. Do you know if DI1000DD has any support at all

Re: [Freedos-devel] [Freedos-user] writing a loadable block driver for 4k-sector drive (Questions)

2012-02-22 Thread Mark Brown
i still say the same answer for a starting point to engineer flawlessly is on your site already, especially with the finding that USBASPI.SYS handles 4k sectors correctly on 4k hardware like i said: www.freedos.org/freedos/news/technote/203.html part of the answer is already on the freedos site

Re: [Freedos-devel] [Freedos-user] writing a loadable block driver for 4k-sector drive (Questions)

2012-02-22 Thread Bertho Grandpied
This is "in-reply to" Bret Johnson's -2012-02-22 01:14- [freedos-user] Please once more, notice I've *switched lists* in favor of [freedos-devel]. >> Uh, here I'm confused, not following any more, please elaborate your >> point. Assuming we've loaded  USBASPI.SYS [which provides ector >> ac