Re: RC11 manuals / schematics online?

> >> Also perhaps noteworthy that this RS64's "twin" which resided in the UW >> Computer Systems Lab was at one point "resurrected" by flipping the disk >> upside down. >> > > Then one definitely need the track writer I guess. But it is good to know > that it is possible to flip the disk if it is

Re: RC11 manuals / schematics online?

2017-06-12 0:27 GMT+02:00 Jay Jaeger : > On 6/8/2017 2:22 AM, Mattis Lind via cctech wrote: > > I happened to find a RS64 / RC11 combo (missing the PSU though). The > > previous owner was an ex DEC field engineer that himself got it in the > > beginning of the seventies. It is

Re: RC11 manuals / schematics online?

On Sat, Jun 10, 2017 at 10:59:14PM +0200, Mattis Lind via cctalk wrote: > BTW. Speaking of dumping. Now that I have a TC11 / TU56 that seems to be > working, what is the best way to dump 18 and 12 bit tapes? Is there some > PDP-11 OS that can do it or is it assembly programming required? I had >

TC-11 RALL reader

here was the thread way back when https://groups.google.com/forum/#!topic/vmsnet.pdp-11/0RZKjpVmIGQ and http://www.dbit.com/pub/pdp11/rt11/putr.mac I'm still looking for my version of putr.mac but that should get you started. Most of the non PDP-11 tapes on bitsavers were read with this.

Re: RC11 manuals / schematics online?

That would fit. Most metals are white (silvery) and rhodium, being a noble metal, doesn't oxidize so it retains the base metal color. I wonder if it's the anti-friction properties that were impaired by LA smog. Even 1970s smog seems insufficiently potent to cause any changes to rhodium. Or

Re: RC11 manuals / schematics online?

that does seem to be the case. I never looked to see that rhodium plates silver white. http://www.foxfinejewelry.com/blog/article/rhodium-plating-or-dipping-your-yellow-gold-jewelry-into-white-gold-jewelry/ On 6/12/17 10:43 AM, Paul Koning wrote: That seems odd because rhodium is a noble metal

Re: RC11 manuals / schematics online?

On 6/12/17 7:17 AM, Mattis Lind via cctech wrote: > There is a note in my RS64 manual, page 3-1 / Figure 3-2, that says "Silver > colour Soaped water, Dark blue Special cleaning liquid" and then an arrow > to the disk surface in the picture. > Any thoughts about what the "Special cleaning

Re: Electronic Systems TRS-80 Serial I/O Board?

On 6/12/2017 5:08 PM, Win Heagy via cctalk wrote: Does anyone recognize this serial board for the TRS-80...Model 1 I think. It came with a bunch of model 1 stuff years ago. I haven't been able to locate much online. Some manual type material would be great. Nothing on the back except

Re: RC11 manuals / schematics online?

2017-06-12 19:55 GMT+02:00 Mattis Lind : > > > 2017-06-12 18:59 GMT+02:00 Al Kossow via cctech : > >> >> >> On 6/12/17 7:17 AM, Mattis Lind via cctech wrote: >> >> > There is a note in my RS64 manual, page 3-1 / Figure 3-2, that says >> "Silver >> >

Re: RC11 manuals / schematics online?

2017-06-12 18:59 GMT+02:00 Al Kossow via cctech : > > > On 6/12/17 7:17 AM, Mattis Lind via cctech wrote: > > > There is a note in my RS64 manual, page 3-1 / Figure 3-2, that says > "Silver > > colour Soaped water, Dark blue Special cleaning liquid" and then an > arrow >

Electronic Systems TRS-80 Serial I/O Board?

Does anyone recognize this serial board for the TRS-80...Model 1 I think. It came with a bunch of model 1 stuff years ago. I haven't been able to locate much online. Some manual type material would be great. Nothing on the back except "Copyright 1978 Electronic Systems".

Re: RC11 manuals / schematics online?

2017-06-12 20:09 GMT+02:00 Mattis Lind : > > > 2017-06-12 19:55 GMT+02:00 Mattis Lind : > >> >> >> 2017-06-12 18:59 GMT+02:00 Al Kossow via cctech : >> >>> >>> >>> On 6/12/17 7:17 AM, Mattis Lind via cctech wrote: >>> >>> > There

Old IBM Ref Manuals give away

1. IBM 2.10 DOS Technical Reference, Sep 1983 2. IBM Hardware Technical Reference, Jan 1983 Hopefully the picture comes through. Any takers? Keven Miller - Orem Utah, 84097 ps: the previous HP boards have been claimed.