U160 drives are all backward compatible, that was in the spec. Backward compatibility was dropped from the U320 spec, so it's hit or miss.

It's not like a NuBus Architecture Mac can really make use of the speed more modern SCSI drives afford without a SCSI II expansion card, but the additional capacity nice . . .

. . . so long as it comes in chunks larger than 2MB each! :

. . . the similarly labelled "TPR" jumper on the adapter doesn't change anything either.

Click to expand...

It only makes a difference if you've got a passthru terminator hooked up to the 50 pin side To PoweR.

Piccie