Re: [hatari-devel] HD drive & partition limits

[Adam Kłobukowski <adamklobukowski@xxxxxxxxx>]

W dniu 26.06.2014 19:17, Eero Tamminen pisze:
> Hi,
>
> On torstai 26 kesäkuu 2014, Adam Klobukowski wrote:
> > > According to HD driver FAQ:
> > >          http://hddriver.seimet.de/en/faq.html
> > >
> > > ST/STE HW limit is 1GB:
> > > "With the ACSI bus of the ST/STE mass storage devices with a capacity >
> > > 1 GiB can only be used with their full capacity with suitable host
> > > adapters or
> > > memory card adapters."
> >
> > I hoped  Hatari already emulates those 'suitable' host adapters.
>
> No.  Everything Hatari emulates is listed in the documentation:
> http://hg.tuxfamily.org/mercurialroot/hatari/hatari/raw-
> file/tip/doc/manual.html#Features
>
> If you're considering contributing emulation for host adapter(s)
> to Hatari, please go ahead! :-)
>
> (I don't think anybody of current developers has interest
> on that, so it needs to come from outside.)
>
>
> > > > I think I tried 1GB too.
> > >
> > > What sized partitions you used?
> >
> > 256MB
> >
> > > Partition max size limits are following for different TOS versions:
> > > - TOS >= 4.x: 1024MB
> > > - TOS >=1.04:  512MB
> > > - older TOS:   256MB
> > >
> > > Did you make *really* sure that partition content was using
> > > correct FAT16 format?  Note also that some TOS versions corrupt
> > > data on drives with VFAT directory entries.
> > >
> > > MiNT & MagiC support FAT32 & ext2 partitions which don't have
> > > these limits, but you need to boot them from smaller FAT16
> > > partition on C:.
> >
> > I ws not even close to trying to use VFAT. Usually everything got
> > corrupted after I wrote first files on partition.
>
> What you used to format the partition?

AHDI 5

> > > > > > > Can someone please share an empty working image?
> > > > > > > There is a sample image available on the hatari website:
> > > > > > >
> > > > > > > http://hatari.tuxfamily.org/hd80mb.image.gz
> > > > > >
> > > > > > Thanks, but I need something bigger :/
> > > > >
> > > > > Ok, would 1 GB be sufficient? If yes, I'd recommend starting with
> > > > > that size. I doubt that AHDI can handle bigger partitions, since
> > > > > the initial ACSI bus specification had a limit to that size with
> > > > > the addressing mode.
> > > >
> > > > Yep, it should be enough.
> > >
> > > Btw. Why do you need such a large image file
> > > instead of using GEMDOS HD emulation...?
> >
> > Because I want to test something that works only with ACSI.
>
> SW or HW?

I'm trying to run STVidPLay, it completly bypases driver and calls ACSI 
by itself.

AdamK