| Re: [hatari-devel] HD drive & partition limits (was: ACSI hard drive emulation) |
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Hi,
On tiistai 24 kesäkuu 2014, Adam Klobukowski wrote:
> 2014-06-24 13:04 GMT+02:00 Thomas Huth <th.huth@xxxxxx>
> > > > How big was your hard disk image, which TOS version did you try to
> > > > use and what's your host system? (Linux? Windows? 32-bit? 64-bit?)
> > >
> > > 8GB and 4GB under Linux x64.
> >
> > Ok, so you likely do not have a problem with a 32-bit host (HD images
> > could be limited to 2 or 4 GB there).
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 think I tried 1GB too.
What sized partitions you used?
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:.
> > > > 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...?
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