On Sat, Apr 13, 2019 at 3:07 PM Charles via cctalk
wrote:
>
> What about smaller drives (RX50? RX33?)... can those be interfaced to the
> 11/23+ Qbus?
Pick up a common as dirt M7555 RQDX3. If you don't have a BA23 with
the built in distribution board for the M7555 RQDX3, then pick up an
M9058 dis
On 04/13/2019 06:07 PM, Charles via cctalk wrote:
> I have a PDP-11/23+ with two RL02's in a corporate cabinet but no
> floppy drives. Also an RXV21 (M8029) card.
>
> My PDP-8/A has RX01 drives, and I was hoping just to run the cable
> over to the -11 when I wanted to use floppies on it.
> But afte
On 4/13/19 3:07 PM, Charles via cctalk wrote:
> Other thoughts?
find one of the dual-wide rx02 compatible floppy boards
then you can use whatever kind of 8" drives you like
and you can format media
I have a PDP-11/23+ with two RL02's in a corporate cabinet but no floppy
drives. Also an RXV21 (M8029) card.
My PDP-8/A has RX01 drives, and I was hoping just to run the cable over to
the -11 when I wanted to use floppies on it.
But after some searching, it appears that the RXV21 will only work
On 04/13/2019 09:11 AM, Jay Jaeger via cctalk wrote:
For example, the IBM 7010 was an IBM 1410 done up in 7000
series technology (and was a compatible super-set of the
1410 and, via a toggle switch, the 1401). It had no
architectural relationship with the 7090/7094, nor did the
7070 or 7080, n
On 4/12/2019 1:15 PM, Eric Smith via cctalk wrote:
> The article says:
>
> Poughkeepsie’s engineers were close to completing work on a set of four
>> computers known as the 8000s that were compatible with the 7000s.
>
>
> AFAICT, that is totally wrong. The 8000 series was completely INCOMPATIBLE
