> But other than that, virtually all modern drives should degrade
> gracefully to whatever low speed the host adapter can do (even
> async, narrow). Even mixing Ultra ("Fast20") and Fast speeds on
> the same bus is ok,

I have had a problem on a 4/330 when I had its original SUN0669 (full
height 5 1/4 SCSI-1) disks and some newer IBM SCSI-2 disks on the same
bus.  However, they were all recognised at boot time (it was just writing
to the newer disks that failed).

J

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