CDROM "Device or resource busy" during install

["M. I. S. Director" <tbo_mis ureach com>]

Hello.

When I try to install RedHat 6.1 (InfoMagic distribution) on a 486DX2-66, 
regardless of whether I start the installation by booting a floppy or running 
autoboot.bat, I get the following message when selecting my CDROM type:

  /tmp/cdu31a.o: init_module: Device or resource busy

The CDROM drive is, indeed, a Sony CDU31A-GD that is attached to a sound card.  
In addition, during boot up, I see the message:

  ide2: ports already in use, skipping probe

Based upon information from win95, I have also tried setting the base address 
for ide2 as 0x300 and using an IRQ of 11.  When I do that, I finally get the 
message "Initializing CDROM," but nothing further happens - the machine just 
gets lost in space and I have to reboot and start over.

Does anyone out there have any ideas on the right combination of settings that 
would get this thing to work?

Thanks!



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