< on discussion about Western Digital WD2700 disk, the software delivered
with this disk and the possibility to use multiple operating systems
on this disk at the same time >
Thanks for replying in this forum as a WD rep.Quote:>It is only necessary to use Disk Manager if the system BIOS does not
>support CHS-to-CHS translation. CHS-to-CHS translation works by
>reducing the cylinder count and increasing the head count by the
>approriate amount. e.g., the Western Digital AC31000 drive has
>2,100 cylinders, 16 heads, and 63 Sector per Track. A CHS-to-CHS
>translating BIOS would convert this to 525-64-63. For the AC2700,
>which has 1,416-16-63, the translation will produce a CHS of
>Keep in mind that Disk Manager is a "DOS-only" solution. It will not
>work for OS/2, Windows NT, or and flavor of Unix (e.g., Linux).
I thought that the 'max 1024 cylinders boundary' was a "DOS-ony" problem.
I'm amazed that it didn't work with windows NT, as indicated by a previous post
in comp.sys.ibm.pc.hardware.storage by Peter Mott.
Should it be a problem for Linux?
I also have the WD2700 disk and do not have any problems with it. I think
there is no problem in installing Linux in such a way that you can acces
the whole drive. Or have one < 1024 cylinders DOS partition and use
the rest for Linux. This way, you don't need the tricky WD software at all.
I have a 250 Mb DOS and 450 Mb Linux partition now. Linux's fdisk reports
the inconsistensy between the logical and physical number of cylinders, but
everything seems to work fine otherwise.
BTW: In our department we've bought two 1 Gig Seagate drives. These drives
split themselves in two and act as two 500 Mb drives instead.
No problems here whatsoever, even DOS is satisfied. Nice solution.
> I'll bet I can manually massage the partition table to indicate the
> correct partition sizes, but isn't the table protected by some sort of
> Any suggestions for how I might get NT to recognize the full capacity
> of this drive?
it from floppy. It can do all kinds of neat things DOS fdisk wouldn't dream
p.s. Peter, how is the Matlab for Linux port going ?? ;-)
Erwin J.M. Giling |
P.O. Box 5046 | Phone : +31-15785188
2600 GA DELFT - The Netherlands | Fax : +31-15625403