[Info-vax] Looking for suggestions for new $GETDVI item codes

[John E. Malmberg]

On 1/15/2015 6:28 PM, Michael Moroney wrote:
>
> I did some experiments with V8.4 and I have some facts for this discussion.
>
> First, SDA reveals disk drives have a UCB field UCB$Q_MAXBLOCK_64
> (overlain by UCB$L_MAXBLOCK), showing there has been _some_ (possibly
> minimal) work towards eventual larger drive support.

In VMS 8.0, many of the internal structures were expanded to be larger 
to prepare for larger disks, etc.

Not all of VMS was updated to use the larger fields at that time.

Regards,
-John
wb8tyw at qsl.network