Subject: Re: disks/install again
To: Phil Nelson <phil@steelhead.cs.wwu.edu>
From: Manuel Bouyer <bouyer@antioche.lip6.fr>
List: tech-install
Date: 10/01/1998 11:21:27
On Sep 30, Phil Nelson wrote
> 
> Well, I just got another computer to play with and found something
> interesting:
> 
> System 1:
>   wd0 at wdc0 drive 0: <IBM-DHEA-38451>
>   wd0: using 16-sector 16-bit pio transfers, lba mode
>   wd0 8063MB, 16383 cyl, 16 head, 63 sec, 512 bytes/sect x 16514064 sectors
> 
> System 2:
>   wd0 at wdc0 drive 0: <IBM-DTTA-371010>
>   wd0: using 16-sector 16-bit pio transfers, lba mode
>   wd0 9641MB, 16383 cyl, 16 head, 63 sec, 512 bytes/sect x 19746720 sectors
> 
> This is the first time I have seen an IDE disk have a return where
> cyl*head*sec != sectors.  I presume this is something sysinst may
> need to deal with.  (And possibly other places also.)
> 

"Read the ATA-4 draft" :). For >8Gb drives, the drive should not
report > 16383*16*63 for BIOS compatibility.
I guess the driver should just recompute the number of cylinders in this
case ...

--
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
--