> -----Original Message----- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Johnny > Billquist > Sent: 16 October 2015 09:07 > To: cctalk@classiccmp.org > Subject: Re: Contents of DEC 8" floppies > > On 2015-10-16 08:14, Mark J. Blair wrote: > > I have some unused 3M blank preformatted RX02 diskettes. Would those > be usable in an RX01 drive? > > Yes. The RX01 and RX02 is the same format. It's only the data part of the > sector that differs. > > > I don't know what the VAX PSI software is, but I'm guessing it must be for > the 11/780 based on the media type. I have zero use for it, but the thought > of 11/780 bits being returned to the entropy pool disturbs me a bit. :) Can > anybody fill me in on what these disks likely contain, to help me decide > whether I might like to trade blank floppies for them? > > Yes, most likely a distribution intended for people with an 11/78x. The > software was probably available on several different media. > > PSI is (as others have mentioned) the packetswitch interface software. > So X.25 for DECnet.
>From what I remember it does not need DECnet.... > > Johnny
