> > Not all cards have all features, not all users wants to enable all
> > features.
>
> Yes, I understand that. You're not reading the derivations correctly.
> Let's take an example:
>
> derive MVME147_SCSI from MVME147 & SCSI
>
> This doesn't turn on MVME147_SCSI on every MVME147 board. It turns
> on MVME147_SCSI when both MVME147 *and SCCI* are on. So to suppress
> MVME147_SCSI, one just leaves SCCI off.
And If I want scsi-on-atapi emulation but not vme147_scsi?
You are right that your solution is right most of the time, but there
always will be nasty corner cases like that.
Pavel
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