On Wed, Sep 30, 2020 at 6:55 PM Maciej W. Rozycki wrote:
>
> Sadly neither seems to be among the files I have copied. I could yet
> check Intel Dec 1995 Data on Demand discs I happen to have, and do have
> here, but they are cumbersome to handle as they use a proprietary format
> requiring a DOS
On Wed, Oct 7, 2020 at 8:37 AM Ethan Dicks via cctalk
wrote:
>
> On Wed, Oct 7, 2020 at 5:07 AM Peter Allan via cctalk
> wrote:
> > I am looking for the following software products for a PDP-11, ideally to
> > be run on RSX-11M.
> >
> > RJE/HASP
> > 2780/3780 Protocol Emulator
>
> I used to do th
On Wed, Oct 7, 2020 at 11:04 AM Paul Koning wrote:
>
> > On Oct 7, 2020, at 12:06 PM, Glen Slick via cctalk
> > wrote:
> >
> > ...
> > I was curious about this DEC M8704 DMS11-DA that sold cheap a few days
> > ago. It has eight SMC COM5025 "Multi
On Tue, Oct 13, 2020 at 2:29 PM Chris Zach via cctalk
wrote:
>
> I do have a card around here called an RXV21 from Plessy or something
> like that, maybe it could talk to an RX01 drive and format the disks?
>
Several of the 3rd party controllers could low level format disks.
For example:
http://
On Thu, Oct 15, 2020, 5:24 PM Fred Cisin via cctalk
wrote:
> On Thu, 15 Oct 2020, Sean Ellis via cctalk wrote:
> > I got this (currently exploded) mystery RAM, RTC, and I/O board out of
> > a dead Sanyo luggable the other night, and once I replace the burned
> > up tantalums I'd like to put it in
On Fri, Dec 11, 2020 at 8:23 AM W2HX via cctalk wrote:
>
> What am I missing? The picture shown on RR auctions shows the board with no
> chips?
Watch the (unlisted) video linked to the auction listing from Corey
Cohen. From what I have seen in the past he is pretty much the expert
on Apple 1 res
On Sat, Dec 12, 2020, 8:56 PM Chris Zach via cctalk
wrote:
> > http://www.computinghistory.org.uk/det/17020/ICL-PERQ-2-T1-Workstation/
> >
> > A bit more uncommon over here, I think...
>
> More like this: Here is a shot of the two of them from the front.
>
> https://www.crystel.com/bob/perq3/DSC_
On Mon, Jan 4, 2021, 1:38 PM Mike Loewen via cctalk
wrote:
>
> Andy Molloy had a Canon Cat at VCF East in 2006. Unfortunately, it
> smoked.
>
> http://q7.neurotica.com/Oldtech/VCF-East2006/dscn4151-f.jpg
Someone could buy one from Jack and fix it up eBay 324441040706.
On Mon, Jan 25, 2021 at 7:35 AM Al Kossow via cctalk
wrote:
>
> Does anyone still have one of these with the 50 pin drive splitter card and
> could take some pictures?
>
> I picked one up a while ago and just noticed a 20 pin part is missing at U91,
> probably a PAL :-(
https://manx-docs.org/co
On Sat, Jan 30, 2021 at 2:20 PM Nigel Johnson via cctalk
wrote:
>
> Yes the BA11S would be too big. Can't see why not for the 11/03 chassis.
> I used to make a good living upgrading 1/03 chasses with four extra bits
> for the 11/23/73 (Hmm, where is my old stock of W933 bus strip!)
> Always works
On Sat, Jan 30, 2021 at 3:58 PM Nigel Johnson via cctalk
wrote:
>
> OK, thanks, Glen, i didn't think of that! Not sure why they would do
> that with all memeory on-board!
>
The PMI interfaces of the KDJ11-B and KDJ11-E modules are used to
interface to the M8191 KTJ11-B UNIBUS adaptor in the PDP-1
On Sat, Jan 30, 2021 at 5:41 PM Nigel Johnson via cctalk
wrote:
>
> btw, I found an Exabyte 8200 in a pile of stuff I bought at VCF East
> last year (but one :-) ) Does anybody on the list have experience
> getting this to work on a Dilog SQ703 under NetBSD?
I'm not sure if I have tried an EXB-8
On Sat, Jan 30, 2021 at 6:16 PM Nigel Johnson via cctalk
wrote:
>
> I can't go very far with the EXB8200 because I don't have a cartridge
> for it. I am now trying the Compaq DLT4000.
>
You can still get boxes of sealed never used EXABYTE 112M 8mm data
tapes cheap. For example a quick search tur
On Sat, Feb 6, 2021 at 1:26 PM Nigel Johnson via cctalk
wrote:
>
> Hi all, I wonder if anybody has one with the terminators installed that
> can read off the p/n for these SIPs
>
> The manual says they are 8-pin 7 resistor 220/330 ones, but that is not
> possible! To put 7 resistor pairs to 220 an
On Sat, Feb 6, 2021 at 3:59 PM Nigel Johnson via cctalk
wrote:
>
> I stand corrected, my 8200 has 3x 8-pin sip sockets!
>
> Nigel
OK, that matches my two EXB-8200 that I just looked at, and also these
images from eBay listings:
https://i.ebayimg.com/images/g/rh0AAOSwSdFe3p7v/s-l1600.jpg
https://
On Sat, Feb 6, 2021 at 4:33 PM Nigel Johnson via cctalk
wrote:
>
> I have some 4608X-104-221/331L currently in my digikey shopping basket -
> I will place order on Monday after I confirm that the two outside pins
> go to Vcc and Fss and the six others go to signal pins on the bus.
>
I pulled the
On Fri, Mar 5, 2021 at 1:46 PM Paul Koning via cctalk
wrote:
>
> Yes, RT11 has contiguous files. That actually made it rather unusual. For
> example, while RSTS supports contiguous files that isn't the default and
> because of disk fragmentation wasn't commonly used.
On VMS you can copy files
On Fri, Mar 5, 2021 at 7:05 PM Chris Zach via cctalk
wrote:
>
> > There seem to be a great many models of Unibus and Qbus multi-port async
> > serial boards, which present different register-level interfaces, e.g. for
> > Unibus, DH11, DHU11, DJ11, DM11, DZ11 . Which ones are considered "best",
>
On Thu, Mar 4, 2021 at 11:25 PM Wayne S via cctalk
wrote:
>
> Is anyone from this list bidding on this.
> If so i’ll back out. Just don’t want it to be “recycled “ and i have room for
> it.
>
> https://www.ebay.com/itm/Digital-DEC-BA23-Lot-Micro-PDP-11-73-VAXstation-3200-x2-VT220-x2-Extras-Docs/2
On Sat, Mar 13, 2021 at 11:43 AM Cory Heisterkamp via cctalk
wrote:
>
> I’m wondering if anyone recognizes this PCB. Double-sided, 74xx vintage,
> measuring 14”x15”. There’s a “B.I.” logo in one corner, but no google match.
> IC date codes are ’77/’78 vintage.
That is the Beehive logo.
https:
On Sat, Mar 13, 2021 at 11:43 AM Cory Heisterkamp via cctalk
wrote:
>
> There’s a pair of DB-25’s, a BCD encoder, and for some reason, two pots.
>
> https://photos.app.goo.gl/dogAPxn7vLV87YRw9
Brightness and Contrast pots. BCD encoder switch for Baudrate.
https://deskthority.net/wiki/images/1/1a
Shirley this thread has run its course already
On Mon, Mar 29, 2021, 8:02 AM Robert Armstrong via cctech <
cct...@classiccmp.org> wrote:
> Hopefully this is an easy question - are the sources for the XXDP
> diagnostics online anywhere? I particularly looking for NKXA, the
> Falcon-11/KXT11/DCT11 one.
Source code listing scans are availabl
On Wed, Mar 31, 2021 at 10:57 AM Bill Gunshannon via cctalk
wrote:
>
> On 3/31/21 9:40 AM, Paul Koning via cctalk wrote:
> >
> > I think MMJ connectors are still available; L-Com comes to mind as a
> > source. Or perhaps Digikey or similar distributors. That would let you
> > make your own. C
On Fri, Apr 2, 2021 at 9:53 AM Jonathan Stone wrote:
>
> Google Shopping shows the PA2067 MMJ die available at 3 online stores.
> Digi-Key lists it too.
>
> What are the pros and cons of the die and a PA8000 CrimpALL, versus the IEC
> tool (
> https://iec.net/product/modular-crimp-tool-for-rj1
On Wed, Apr 21, 2021 at 8:18 AM Jeffrey S. Worley via cctalk
wrote:
>
> There's a nice, working PDP 11/23 with 20 meg hdd and 1meg (!!) of ram,
> with terminal screens indicating full operation. The asking price is
> $900.00, but I imagine the fellow might negotiate. Shipping is gonna
> be a fai
On Thu, Apr 22, 2021 at 4:20 PM Josh Dersch via cctalk
wrote:
>
> https://www.ebay.com/itm/164815576309
>
> $9570 for a keyboard.
There were several retracted bids around $5,500, $9,000, and $10,000
which were retracted immediately after they were placed. I wonder if
that was bidders placing high
On Sun, May 16, 2021 at 2:03 PM Zane Healy via cctalk
wrote:
>
> What exactly is VAX/VMS V5.5-2H4? I’ve never been too clear on that. It’s
> just V5.5-2 with added hardware support, isn’t it?
https://wiki.vmssoftware.com/OpenVMS
VIKING V5.5-2H4 July 26,1993
Limited Hardware Release based on V
On Thu, May 20, 2021, 7:02 PM Randy Dawson via cctalk
wrote:
> If anyone has ideas about boards or software to connect this original
> Compaq to the net let me know!
> Browsing the ebay, I do not find a PC 8 bit ethernet board but still
> looking.
> Then, the rest, a net set of tools in source w
On Tue, May 25, 2021 at 10:54 AM Zane Healy via cctalk
wrote:
>
> One odd thing is that the KA640-A seems to plug into another board, before
> the DSSI drives. I’m getting ready to dig into that, and find out what that
> board is.
>
Is that an M9715 board plugged into the backplane between the
On Tue, May 25, 2021 at 1:32 PM Zane Healy wrote:
>
>
> It turns out that the oddness was the CPU Board, and a 16MB Clearpoint RAM
> board. What I thought was the CPU, is really the header panel over the RAM
> and TK70 controller. There is also a M9715 between the CPU and the
> powersupply t
On Tue, May 25, 2021 at 8:33 PM Zane Healy via cctalk
wrote:
>
> I just pulled out my blue box of fiche (VAX MDS), and verified I have the
> B400X manual, which isn’t online. I’ll see about borrowing a fiche reader
> tomorrow. I’ve never bothered to get one, I just borrow my Mom’s portable
>
On Wed, May 26, 2021 at 2:35 PM Zane Healy wrote:
>
> One question, do I need to worry about the batteries on the H3602-SA panel?
> I can’t imagine that this would be causing any issue.
>
Yes, you do need to worry about the Ni-Cad battery pack on the
H3602-SA panel. Remove it and throw it away.
On Wed, May 26, 2021 at 3:38 PM Jonathan Stone wrote:
>
> two points:
>
> 1. MS650-AA 8mb modules from a KA650 will work in a KA640. They won't work
> with a KA655 or a kA660 (or a KN210_. Those need the MS650-BA, or the 16MB
> MS650-BB, or the third-party 32MB modules. So if your KA640 is dead
On Wed, May 26, 2021 at 2:35 PM Zane Healy wrote:
>
> Except for the DSSI cable strangeness, it’s a really nice chassis. Though
> after a LOT of reading in the last 24 hours, may are right on it being a
> mongrel. It also explains my confusion as to what it is. :-)
>
> https://www.zanesphotogr
On Thu, Jun 24, 2021 at 1:41 PM Grant Taylor via cctalk
wrote:
>
> Does anyone know anything about the "Serial Multisession" that the VT
> LAN 40, and presumably other terminals, supports?
>
> I've not heard about it before and intend to do some research. But I
> figured that it was an interestin
>
> Also supported by the VT420, VT510, VT520, VT525
>
Actually as far as I can tell the VT510 does not support TD/SMP
(Terminal Device/Session Management Protocol). No mention of multiple
sessions in this VT510 manual as there are in this VT520 manual.
http://www.bitsavers.org/pdf/dec/terminal/v
On Fri, Jun 25, 2021 at 3:53 PM Grant Taylor via cctalk
wrote:
>
> From my naive point of view, I wonder if it would be possible to build
> some sort of USB device that has a traditional UART that has supporting
> circuitry to connect to the host over USB. -- I say this because it
> sounds like
On Sat, Jul 17, 2021 at 2:28 PM johnr@grebnesor via cctalk
wrote:
>
> Hello,
>
> I came across a web article in which you discussed restoring an HP2100A. I
> spent many years working on this computer and have the front panel. I am
> doing some work on it to produce a display for fun. I am replac
On Sun, Jul 25, 2021, 6:43 AM Chris Zach via cctalk
wrote:
> Read that Personal Systems magazine from 1992 that was recently posted
> and enjoyed the article on the PS/2 295 system. I never heard about that
> one, the biggest PS/2's I worked on were the 95 systems with 486
> processors back at Co
On Mon, Aug 9, 2021, 11:17 AM John Foust via cctalk
wrote:
> At 11:23 AM 8/9/2021, Al Kossow via cctalk wrote:
> >sometimes I wonder why I even bother putting this s*it up
>
> Well, actually... it said "Pathworks V5.1 (35 disks) plus LAN Mgr Setup."
>
> So is it 5.1 or is it the 4.1 you have on B
On Wed, Aug 11, 2021 at 8:57 AM Fritz Mueller via cctalk
wrote:
>
> Hi folks,
>
> Could anybody spare a clue or some suggestions on how to access the contents
> of:
>
> http://bitsavers.trailing-edge.com/bits/DEC/pdp11/floppyimages/rx02/BASIC-11_V2.1_RX02.DSK.zip
>
> under simh? I haven't had an
On Wed, Aug 11, 2021 at 5:59 PM Paul Koning wrote:
>
> > On Aug 11, 2021, at 7:06 PM, Fritz Mueller via cctalk
> > wrote:
> >
> >> ...
> >
> > Ah ha! Thanks much, Glen!
> >
> > simh is usually pretty good about padding out attached images,
>
> No, I don't think that is true. What is true is th
On Thu, Aug 12, 2021 at 5:29 PM Fritz Mueller wrote:
>
>
> > On Aug 12, 2021, at 3:31 PM, Glen Slick wrote:
> > If I translate the logical
> > sector order RX-02 disk image back into a physical sector order disk
> > image (dealing with track shifting, sector interleaving, and track to
> > track s
On Tue, Sep 21, 2021 at 9:10 AM Lars Brinkhoff via cctalk
wrote:
>
> Hello,
>
> Does anyone have a (set of) ROM image(s) for the VAXstation 100?
> It might be interesting to attempt an emulator.
Did someone on the list buy this one? That was the only one that I
have noticed for sale on eBay anyti
On Tue, Sep 21, 2021 at 9:00 AM Jonathan Stone via cctalk
wrote:
>
> One of the reasons I got the 2000s is to format MFM drives for an RQDX3 (I
> don't have any PDP-11 CPUs). I have a CMD CQD-420 Qbus SCSi controller, and
> an MTI almost-equivalent. I've seen Glen Slick's reverse engineering of
On Mon, Sep 27, 2021 at 8:23 AM Tom Hunter via cctalk
wrote:
>
> The part is an Intersil IM5600CP, but these were also made by others, for
> example Signetics and Philips made the 82S23 and TI and NTE made the faster
> SN74S188N. Some vendors still sell these parts and there are even a few on
> Eb
On Mon, Sep 27, 2021 at 11:20 AM Brent Hilpert via cctalk
wrote:
>
> The 82S23 programming algorithm is in the 1975 Signetics Bipolar Memories
> databook (also on bitsavers).
> Looks like it may be a little more complex than that for the 188.
http://www.bitsavers.org/components/signetics/_dataB
On Mon, Nov 1, 2021 at 4:23 AM Nigel Johnson Ham via cctalk
wrote:
>
> A few months ago, thanks to help from several people here, I converted
> an SQ703 TMSCP controller to SQ706 MSCP.
>
> ..
>
> It seems that one of the PALs is maybe setting up the address!
>
> Anybody else tried this?
I nev
On Tue, Nov 16, 2021 at 9:23 AM Douglas Taylor via cctalk
wrote:
>
> I'm going by the 'Instrument Bus Subroutines Programmer's Reference
> Manual' that is on bitsavers. [/pdf/dec/pdp11/minc] In section 4, page
> 4-1 it seems to imply that there are 6 files:
>
> IBLIB.OBJ
> IBSVER.FOR
> IBMNC.SYS
On Tue, Nov 16, 2021 at 2:58 PM Toby Thain via cctalk
wrote:
>
> On 2021-11-16 1:25 p.m., Glen Slick via cctalk wrote:
> > On Tue, Nov 16, 2021 at 9:23 AM Douglas Taylor via cctalk
> > wrote:
> >>
> >> I'm going by the 'Instrument Bus Subroutines
On Mon, Sep 23, 2024, 2:19 AM Tony Duell via cctalk
wrote:
> Is there are program available that will take an image of a CP/M disk
> in .IMD format (say) and let me view the directory, extract or add
> files and so on?
>
> If so, what is recommended and where can I get it?
>
> -tony
>
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