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Message from discussion causes of "drive not ready"
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MikeS  
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 More options Apr 9 2010, 2:25 am
From: MikeS <dm...@torfree.net>
Date: Thu, 8 Apr 2010 23:25:46 -0700 (PDT)
Local: Fri, Apr 9 2010 2:25 am
Subject: Re: causes of "drive not ready"
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On Apr 9, 12:44 am, billdeg <bill...@aol.com> wrote:

> Ok, let's try this one last time, I posted before with more detail,
> but here are the basics:

> I have a system one, and I can use either a 4FDC or a 16FDC, the
> results are the same.

> I have two Tandon 100-2a's, but work.

> If I plug either of these drives into the system alone, both boot as
> drive A just fine, format disks, RPM's 300, DS0 jumper only.

> If I plug both drives into the system and set one of them as drive B,
> I can still boot to A, but I get a "drive not ready" error when I try
> to run a dir command using CDOS.  a: DIR B:  --> drive not ready.

> I have swapped the Terminator around, I have tried a 2nd terminator,
> no change.  The Tandon 100-2a and 4/16 FDC manuals state that the
> terminator should be at the end.

> I have swapped out the 64K RAM and ZPU cards, no change.

> What could be causing the drive not ready?

> NOTE That the 16FDC works just fine in another cromemco system using
> 8" drives, it can boot to B.

> I am stumped.

> Bill

My first guess would be that that CDOS is configured for and expects
an 8" drive "B". What does the 16FDC RDOS T command have to say about
each drive if you select the small floppy?

 
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