On Thu, 25 Feb 2021 at 21:32, Rich Alderson via cctalk <[email protected]> wrote: > As for operating system support, the only DEC operating system which could put > tapes and disks on the same Massbus was TOPS-20. Tops-10 explicitly tells you > in the SYSGEN process that disks and tapes must reside on different channels; > I > believe that ITS follows that same principle. WAITS, although originally a > highly divergent offshoot of Tops-10, took the Massbus code from TOPS-20 v5 > when it was ported to a KL-10 at SAIL, so could in theory have disk and tape > on > the same channel. > RSX-11/M+ should as well. It is possible during SYSGEN to define a "mixed MASSBUS".
Best regards, Christian -- Christian M. Gauger-Cosgrove STCKON08DS0 Contact information available upon request.
