New CD-ROM drive causes kernel panic

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> DMA, Access mode, IRQs, IDE controle related settings. It will
> depend on your exact BIOS version and brand.

Well, I couldn't find a way to change any of these settings in the  
BIOS, as the drive was set to "autodetect".  Then I changed it to be  
"CDROM", and that did change some settings (like disable DMA), but  
didn't fix the problem.  Lastly, I downloaded the latest BIOS for my  
motherboard (an Intel Desktop Board D850GB), and that seems to have  
fixed the problem, as I didn't change any other settings.

> Having a Slave drive in a interface where a Master drive is nor
> present violates the ATA standard, and can cause problems with
> some chipsets. Unfortunately, that is a very common practice.

But I do have a master drive on that channel.  Like I mentioned  
before, there are two hard disks in /dev/hd{a,c}, and the CD-ROM is / 
dev/hdb (like I suspected).

Anyway, thanks for everyone's help.  I am up and running with a CD- 
ROM drive again.

Alfred

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