Hi,
Thanks for the answers. And now I'm curious again...
> >
> > 2. Maximum Capacity.
> >
> > According to a document from Sunrise home page (IDEFAT16.TXT),
> > 2GB is possible to for one parition. Is it correct?
>
> yes, that is correct.
> Note that it is NOT EXACTLY 2GB for FAT16 and 32MB for FAT12. Like said
> in IDEFAT16.TXT, it is approx. 2GB.
>
Interesting...
Where I obtain FAT16 file system info? (different part from FAT12)
I dumped bootsector(?) of FAT16. And I found that the number of
sectors for one cluster is 4 instead of 16 for FAT12. Does the entry
have differnt meaning?
> >
> > And what is the maximum capacity of a harddisk (not a
> >partition)
> > which can be handled by IDE interface/file system.
>
> by the IDE hardware: ALL IDE harddisk types can be connected. (1MB,
> 10GB, 40GB, 123GB, ...)
> by the IDE software: current bios 2.01 'only' support reading/writing of
> sectors in the first 8 GB range of the device. So if you're using a 10
> GB harddisk, the last 2GB can't be accessed. The IDEFDISK software which
> you need to generate partitions, will automatically limit your
> partitions to the 8GB boundary.
>
Is that causes by 24-bit sector number? (512x16M=8G..?)
A document says that DISKIO routine uses 23-bit sector number. Then
only 4GB is possible to use... Dosen't DOS2 use DISKIO?
Greetings from a curious IDE user...
- Jun.
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