Message-ID: <01FD6EC775C6D4119CDF0090273F74A4021F5B@emwatent02.meters.com.au>
From: "da Silva, Joe" <Joe DOT daSilva AT emailmetering DOT com>
To: "'opendos AT delorie DOT com'" <opendos AT delorie DOT com>
Subject: RE: Master/slave settings (was prob audio CD on 2nd CD-ROM with N
	WCDEX)
Date: Thu, 15 Feb 2001 11:51:25 +1100
MIME-Version: 1.0
X-Mailer: Internet Mail Service (5.5.2448.0)
Content-Type: text/plain
Reply-To: opendos AT delorie DOT com

You are partly correct.

Older drives had three settings :
1. Master drive without slave (aka. single drive).
2. Master drive with slave.
3. Slave drive.

Newer drives have combined 1 & 2 by adding a few
more "smarts" to their firmware.

Joe.

> -----Original Message-----
> From:	Patrick Moran [SMTP:pmoran22 AT yahoo DOT com]
> Sent:	Thursday, 15 February 2001 11:05
> To:	opendos AT delorie DOT com
> Subject:	Re: prob audio CD on 2nd CD-ROM with NWCDEX
> 
> Hi Joe,
> 
> See below.
> 
> ----- Original Message -----
> From: "da Silva, Joe" <Joe DOT daSilva AT emailmetering DOT com>
> To: <opendos AT delorie DOT com>
> Sent: Wednesday, February 14, 2001 4:11 PM
> Subject: RE: prob audio CD on 2nd CD-ROM with NWCDEX
> 
> 
> > > It most likely is a combination of both. I just had a thought. What
> if
> > > you were to disable one of the drives in the CMOS setup and enable
> the
> > > one you want to use each time you want to change drives? I don't
> know if
> > > this will work. I don't have a lot of experience playing with IDE
> stuff.
> > > If the master and slave settings are purely a hardware thing, then
> maybe
> > > you can do it that way. But if you had a slave without a master and
> it's
> > > not just a hardware thing, then maybe you cannot do this in the CMOS
> > > setup.
> 
> 
> > Uhhh - last time I checked, ATAPI drives are always *disabled*
> > in the BIOS "CMOS settings" ... however, I have not played
> > around much with ATAPI-aware BIOSes so, perhaps there are
> > now some ATAPI-specific BIOS settings that I am not aware
> > of. Nevertheless, a "disabled" setting for your ATAPI drives is
> > *always* appropriate and your safest option ...
> 
> Opppps,, you are right, I was thinking of ZIP and LS-120 and hard drives
> at the time I thought of that. You can also leave it set to AUTO.
> 
> > Also, if you have a single drive on an IDE cable, you should
> > always set this as master. Sure, sometimes a "slave" setting
> > may work, but usually it doesn't work or causes trouble.
> > Similarly, if there are two drives, one must be set as master,
> > the other as slave.
> 
> No, No,
> 
> If you have a seingle drive it should be set as a single drive, this is
> sometimes labled CHS but have seen other labels for it. (Talk about
> standards they cannot even get that straight.) Many times this is just
> not installing a jumper or putting it across two pins where it won't do
> anything. Some drives have the CHS pins and other do not.(Again another
> great standard.)
> 
> You may be able to run a single drive as a master, but I have always set
> single drives to the single setting.
> 
> Pat
> 
> 
> 
> 
> _________________________________________________________
> Do You Yahoo!?
> Get your free @yahoo.com address at http://mail.yahoo.com