[Info-vax] RB730 Integrated Disk Controller (R80/RL02) usable with VAX-11/750?

[SeanOBanion]

On May 2, 2:52 am, vaxorcist <vaxorc... at googlemail.com> wrote:
> Can the RB730 Integrated Disk Controller (primarily developed for R80/
> RL02 drives with the VAX-11/730 and /725) be used with the VAX-11/750?
> This might have been a "low cost" solution to connect disk drives to
> the /750.
>
> Any hints welcome!
>
> Regards,
>
> Ulli

No.

The IDC is part of the 730 CPU, stealling CPU cycles in a hidden way
to get it's work done.

The later version of the 730 did away with the IDC for a single UDA50
Unibus adapter that also reduced the amount of memory the system could
support:
system memeory of a 730 sat on the Unibus.

For a discustion of supported disk adapters and systems, see:
http://h30266.www3.hp.com/odl/vax/opsys/vmsos73/vmsos73/6136/6136pro_005.html


Sean