On Mon, 9 Aug 1999 08:28:59 -0400 (EDT)  Claude Marinier wrote:

> I have used half inch tape drives for years and more recently 8mm and 4mm
> helical scan drives. I have never heard of such devices supporting block
> addressing (except for DECtape which is obsolete).

The HP ones that looked like QIC but were some other standard also
supported this.  Insanely slow.  Worse than crazy slow. :-)

DDS drives don't so far as I know.

Regards,

Giles