Re: PDP-10 I/O notes

2021-03-15 Thread Lars Brinkhoff via cctalk
Don Stalkowski wrote: > For what it's worth I've posted some notes on PDP-10 I/O from a course > taught by Mike Bennett at UWO in the early 1970s. Thank you! Interesting to see the DECtape file structure format.

Re: Diversified Technology CAT904 80286 single board PC

2021-03-15 Thread david raingeard via cctalk
i rather do what doe with ibm dos Le lun. 15 mars 2021 à 16:23, Tom Uban via cctech a écrit : > It dawned on me that I probably just need to change a BIOS setting. I > haven't dealt with PCs in so > long I've forgotten what to do... > I would still like to find a manual if someone has one. > >

VAX rom patches - VAXstation 2000 SCSI boot, KA420 > 1GB boot

2021-03-15 Thread David Brownlee via cctalk
I had some extra A4 pages with a VAXstation 2000 manual which covered a preview PK2K kit for VMS, bootloader and ROM to allow use of the VAXstation 2000 SCSI controller for more than just tapes. Rough scan at http://sync.absd.org/vax/VAX-PK2K-preview-kit.pdf (the originals will be sent to someone

Re: 80286 Protected Mode Test

2021-03-15 Thread Guy Sotomayor via cctalk
On 3/15/21 7:23 AM, Noel Chiappa via cctalk wrote: > From: Guy Sotomayor > the LOADALL instructions including all of it's warts (and its inability > to switch back from protected mode) Good to have that confirmed (for the 286; apparently it works in the 386). The 386 loadall inst

PDP-10 I/O notes

2021-03-15 Thread Don Stalkowski via cctalk
For what it's worth I've posted some notes on PDP-10 I/O from a course taught by Mike Bennett at UWO in the early 1970s. The monitor at the time was likely prior to 5.06. See: http://www.execulink.com/~dstalk/pdp-10_io.pdf Don

DEC Professional: software and docs for CP/M and PC-Bridge boards

2021-03-15 Thread Bjoren Davis via cctalk
I have two oddball CTI boards for my DEC Professional: a DEC-made CP/M board (P/N 54-15641) and a board labelled "VIRTUAL MICROSYSTEMS PRO BD. REV 1" which appears to be an x86 MS-DOS board (it contains an 8086, a video controller and a bunch of RAM). I've managed to get them both functional,

Re: 80286 Protected Mode Test

2021-03-15 Thread Noel Chiappa via cctalk
> From: Guy Sotomayor > the LOADALL instructions including all of it's warts (and its inability > to switch back from protected mode) Good to have that confirmed (for the 286; apparently it works in the 386). > the other way to get back to real mode from protected mode is via a

RE: VAXstation 2000 network & hardware guides (English & German)

2021-03-15 Thread Dave Wade G4UGM via cctalk
David & Rob Are these "loose leaf"? If so I am happy to scan, upload, and then pass the paper to Rob who isn't far from me Dave > -Original Message- > From: cctalk On Behalf Of David Brownlee > via cctalk > Sent: 15 March 2021 09:43 > To: r...@jarratt.me.uk > Cc: General Discussion:

Re: 80286 Protected Mode Test

2021-03-15 Thread Liam Proven via cctalk
On Sun, 14 Mar 2021 at 19:37, Guy Sotomayor via cctalk wrote: > > At the time I was fairly familiar with the LOADALL instruction. I had > modified PC/AT Xenix to use the LOADALL instruction to allow for running > Xenix programs and multiple DOS programs simultaneously. Incidentally, I believe th

Re: VAXstation 2000 network & hardware guides (English & German)

2021-03-15 Thread David Brownlee via cctalk
Hi Rob I forgot to mention I'm in the UK :) I had another email in from someone in Germany who has access to a book scanner - if you're setup to scan and upload EK-NETAA-UG-001 VAXstation & EK-VAXAB-IN-002 I'm happy to part them out to you as you emailed first - let me know David On Sun, 14 Mar