>  >
>  >IDE CDROMS does not equal custom cdrom interfaces.
>  >Mitsumi makes two types of CDROMS.
>  >Custom cards and IDE style.
>  >*BSD and Linux do support the following:
>  >SCSI
>  >Mitsumi
>  >Panasonic
>  >Matshuitsu
>  >Sony
>  >But from what your saying is that Linux supports the IDE cdroms.
>  >These reside at 0x1f0, IRQ 14 and can NOT reside anywahere else
>  >(well except the alternate location which DOS machines can not use but
>  >is 0x170 irq 15)
>  >So if it is 0x300 base then it is NOT an IDE CDROM.

Linux *DOES* support IDE CD-Rom drives that are ATAPI compatible, as well
as many other proprietary drives (Ie: Soundblaster, etc).