[TriLUG] hardware question - IDE problem

[Mike]

Some hard drives have different settings for master no slave device and
master with slave device.

Mike

-----Original Message-----
From: trilug-admin at trilug.org [mailto:trilug-admin at trilug.org] On Behalf
Of Greg Brown
Sent: Wednesday, October 30, 2002 10:09 AM
To: trilug at trilug.org
Subject: Re: [TriLUG] hardware question - IDE problem

Good catch, everyone!  :)  I neglected to mention that I've tried
various 
different settings for the master and slave on the disk and CDROM.  What
does 
not work, for some reason, is having the harddrive set to Master and the

CDROM set to Slave on the same bus.

I've also tried to set them both to master putting the harddrive on ide0
and 
the CDROM on ide1.  That didn't work either.   I beleive I even tried to
set 
the harddrive to Master on ide0 and the CDROM to slave on ide1 (which
didn't 
work either).

Now that I think of it, setting the CDROM to CS and moving it around is 
something I have not tried.

Greg


On Wednesday 30 October 2002 11:01 am, you wrote:
> check the jumper settings on the devices, dell tends to set them to CS
> (cable select) instead of master or slave.  whatever they are set at,
> switch them around.  and make sure you don't have both devices set to
> master or slave if they are on the same IDE channel.
>
> jason
>
> On Wednesday 30 October 2002 09:54, Greg Brown wrote:
> > I've been fighting with my new-to-me Dell Optiplex PII for a day
now. 
> > The problem is that my BIOS does not see the the CDROM if, and only
if,
> > the hard drive is installed.
> >
> > I have two IDE busses on this machine (which I believe are named
IDE0 and
> > IDE1).  If I put the disk on IDE0 without the CDROM present the
machine
> > attempts to boot off the disk.  If I put the CDROM on the end or the
> > middle of the same IDE cable as the disk the machine will not see
the
> > CDROM.  The same is true if the CDROM is placed on IDE0.
> >
> > If I remove the disk and put the CDROM on the chain all by itself I
can
> > boot from the CDROM.  If I put the hard disk on the same IDE (or
other
> > IDE) the CDROM is not seen by the machine.
> >
> > I've swapped drives (three times) and CDROMs (twice) and used a vast
> > combination of the hardware at the house in order to correct this
problem
> > but the problem persists.
> >
> > Any ideas?  Am I missing something?  I didn't think you could set
irqs on
> > CDROMs or hard disks but I checked for a conflict anyway and didn't
see
> > any jumpers where the irq could be modified.
> >
> > Greg
> >
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