Re: Contents of DEC 8" floppies

2015-10-16 Thread Jay Jaeger
On 10/16/2015 12:47 PM, Rich Alderson wrote: > From: Dave G4UGM > Sent: Friday, October 16, 2015 4:01 AM > >> In fact DEC had little option. If they had not provided the X.25 software >> they would have been unable to sell large machines to UK Universities as >> support of Janet was required to ge

RE: Contents of DEC 8" floppies

2015-10-16 Thread Rich Alderson
From: Dave G4UGM Sent: Friday, October 16, 2015 4:01 AM > In fact DEC had little option. If they had not provided the X.25 software > they would have been unable to sell large machines to UK Universities as > support of Janet was required to get central government funding. "Damn it, Janet!"

RE: Contents of DEC 8" floppies

2015-10-16 Thread Dave G4UGM
> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Johnny > Billquist > Sent: 16 October 2015 11:38 > To: cctalk@classiccmp.org > Subject: Re: Contents of DEC 8" floppies > > On 2015-10-16 10:08, Dave Wade wrote: >

Re: Contents of DEC 8" floppies

2015-10-16 Thread Johnny Billquist
On 2015-10-16 10:08, Dave Wade wrote: -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

RE: Contents of DEC 8" floppies

2015-10-16 Thread Dave Wade
> -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: &g

Re: Contents of DEC 8" floppies

2015-10-16 Thread Johnny Billquist
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 guess

RE: Contents of DEC 8" floppies

2015-10-16 Thread Dave Wade
: 16 October 2015 07:15 > To: General Discussion: On-Topic and Off-Topic Posts > > Subject: Re: Contents of DEC 8" floppies > > I have some unused 3M blank preformatted RX02 diskettes. Would those be > usable in an RX01 drive? > > I don't know what the VAX PSI so

Re: Contents of DEC 8" floppies

2015-10-15 Thread Mark J. Blair
I have some unused 3M blank preformatted RX02 diskettes. Would those be usable in an RX01 drive? 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 po

Re: Contents of DEC 8" floppies

2015-10-15 Thread Antonio Carlini
On 15/10/15 21:38, Charles wrote: I bought a set of five DEC RX01 8" floppies (for the disks, since I have an RX01 hooked up to my PDP-8/A) but I thought the contents might be of interest to someone before I wipe them. They are labeled VAX PSI V3.0 1/5 thru 5/5, (c) 1984. In order they are AS-L

Re: Contents of DEC 8" floppies

2015-10-15 Thread Jay Jaeger
I'd expect you could still read them sector by sector - an RX01 is standard single density format. Regardless, you can find software to image them here: http://highgate.comm.sfu.ca/pdp8/ In particular: http://highgate.comm.sfu.ca/pdp8/software/dumprest.tar.gz (I had my own version of that sort