A new haul - questions on TA81 and TA78

[quapla at xs4all.nl]

> Gooijen H <GOOI at oce.nl> wrote:
>
>> The TA81 has connecting cables that *look like* SDI, but from the
>> User's Guide I understand that it is not SDI, but HSC ...?
>
> It's the tape version of SDI.  The drive ports of an HSC *are* SDI, but
> HSCs support both disks and tapes there, while UDA50 and KDA50 controllers
> usable with PDP-11s only support disks.  (It may be possible that they
> have secret undocumented support for tapes, but no PDP-11 OS can support
> that, it would take a very sophisticated VAX OS with a full SCA
> implementation.)
>
> MS
>

Ohww, that really s*cks! It would have been great to see this drive
working with an UDA50 controller :(

Ed