Unless you enable hog mode dma. Works but then you can’t reliably use other dma devices on
the Unibus.
Like like that
Sent from my iPhone
On Jul 27, 2024, at 10:34 AM, Paul Anderson via cctalk
<cctalk(a)classiccmp.org> wrote:
The RM03 overran the RH11, that's why DEC had the RM02. Same basic drive,
just slower.
> On Sat, Jul 27, 2024 at 3:32 AM Paul Anderson <useddec(a)gmail.com> wrote:
>
> Are you interested in a RH11 backplane? I might have an extra one or one
> with boards. I believe I have the 3 flat cables that go to the transition
> bracket but I'm not sure about the round massbus cable. Also maybe a few
> packs.
>
> Thanks, Paul
>
> On Thu, Jul 25, 2024 at 4:59 AM Christian Corti via cctalk <
> cctalk(a)classiccmp.org> wrote:
>
>> Hello all,
>>
>> we now have a RM03 drive, but are missing all the cables and the RH11
>> backplane, though I have the cards.
>> Since the drive itself is a CDC 9762 I was wondering if I could ignore
>> the
>> Massbus adapter in the drive cabinet and use the CDC as a "normal" SMD
>> drive (at least it uses the standard 60+26 pin cables).
>> There are no service manuals/schematics of the drive itself, so I can't
>> look there. And all I could find on the net were discussions of using the
>> Massbus adapter for normal SMD drives but in my case, I don't want
>> Massbus
>> at all.
>>
>> Christian
>>
>