On Sun, May 30, 2021 at 11:42 AM Vincent Slyngstad via cctalk
wrote:
> https://so-much-stuff.com/pdp8/computerlab/computerlab.php
> The photos get a little bigger if you click them. Those bits of stamped
> brass or whatever they are made of were probably pennies each.
I've thought about what it
On Sat, May 29, 2021 at 10:58 AM William Donzelli via cctalk
wrote:
> Over on the Discord, I have posted a DEC Computer Lab H-500 for sale.
> Needs cosmetic help, but will be priced accordingly.
I already have one, but it has no wires and a reasonable substitute
has not come to light despite
On Mon, May 17, 2021 at 8:53 PM Paul Koning via cctalk
wrote:
> There are two comms option cards: the DECNA Ethernet, and the 3CA quad UART
> (a very obscure device).
Yeah... I have neither of those, but at least I've seen a picture of a DECNA.
> The other limitation is the software. DEC only
On Wed, May 12, 2021 at 1:11 AM Lars Brinkhoff via cctalk
wrote:
> There are also at least two GT40 implementations of Spacewar. One from
> MIT, by Dick Waters, and another from SAIL, by Bo Eross. They run fine
> on SIMH, but it would be nice to see them on real hardware too.
Is there a web
On Sat, Apr 24, 2021 at 2:51 PM Josh Dersch via cctalk
wrote:
> Fans are dead (either melted away entirely or rusted
> out).
Are any of those melty fans Boxers? I'm still looking for a circlip
to put a Boxer back together for an Omnibus box (for those that
haven't heard the story, I was
On Tue, Apr 6, 2021 at 11:48 PM Al Kossow via cctalk
wrote:
> On 4/6/21 8:31 PM, Noel Chiappa via cctalk wrote:
> > > From: Al Kossow
> >
> > > I have to find my qbus rk11 card.
> >
> > The RKV11-D is a set of 4 quad cards
>
> It isn't that, it's a single-card controller made
> by
On Sat, Mar 13, 2021 at 12:11 PM geneb via cctalk wrote:
> Kind of related, I've got a Diablo Series 30 disk drive (Model 31 H6)
> that's free to a good home. Local pickup only though - it's a bit on the
> chubby side to ship. :) I'm in Graham, WA.
I wish I was a lot closer. I lost a Diablo
On Tue, Mar 9, 2021 at 6:10 PM Josh Dersch via cctalk
wrote:
> I have a bid on it right now, I was hoping to use it with my straight-8,
> should I be so lucky to win it. Don't want to collide with you, however...
>
> - Josh
>
> On Tue, Mar 9, 2021 at 3:04 PM Chris Zach via cctalk
> wrote:
> >
On Sat, Feb 27, 2021 at 10:37 PM Josh Dersch via cctalk
wrote:
> I realize these are uncommon; curious if anyone has a spare pair somewhere
> (hey, that rhymes.) I'd like to be able to pull out the CPU on my 11/70
> without worrying about the whole thing tipping over and crushing people I
> care
On Tue, Feb 23, 2021 at 9:53 PM Chris Zach via cctalk
wrote:
> Wow, I've always wanted an 11/750. Not sure why, the small box size is
> impressive and all that.
I started on an 11/750 in 1984. They are fantastic little machines.
If you only have 3-4 users on them, they are quite peppy.
>
On Sat, Feb 13, 2021 at 12:05 PM Bill Gunshannon via cctalk
wrote:
> The one I have in front of me is the SPO256-AL2 (actual chip is labeled
> SPO256-017) and the package includes an SPR016-117 which is listed as an
> External Serial Speech ROM. Would probably be fun to hook it up to an
>
On Fri, Feb 12, 2021 at 6:01 PM Jim Brain via cctalk
wrote:
> But, I'm sad because no one either has one nor can help me test this
> one. So, I cannot enjoy the thrill of making it say inappropriate stuff :-(
I have several vintage speech ICs, but not that one.
-ethan
On Fri, Dec 11, 2020 at 10:05 PM Jim Manley via cctalk
wrote:
> It's been estimated by experts that a third to half of the "original
> artwork", previously valued at a total in the tens of billions in museums
> and collectors' places, are counterfeits.
35 years ago I was in Anaheim for DECUS and
On Feb 8, 2021, at 3:16 PM, Ethan Dicks via cctalk
> > wrote:
> > The ribbon cables are a bit out of place... perhaps they were just
> > stuffed into empty slots to keep them from being damaged.
>
> The cables are actually in the correct slots -- they connect A30 and
On Mon, Feb 8, 2021 at 5:53 PM Bill Degnan via cctalk
wrote:
> If you search ebay for "DEC RK11-C Disk Controller", you'll find a listing
> of a backplane of flipchip cards, but it's not like any RK11-C I have ever
> seen. Am I right, this is a mis-labeled auction?
It seems to match fairly well
On Tue, Feb 2, 2021 at 12:19 PM Al Kossow via cctalk
wrote:
> I don't have any equipment that uses them any more, so I'll be ebaying off my
> A-W series flip chips over the next few days. The W's and PT08 boards are up
> now
>
> https://www.ebay.com/itm/184647476832
>
On Thu, Jan 28, 2021 at 2:39 PM Noel Chiappa via cctalk
wrote:
> There is definitely yet _another_ keying design, with
> triangular sawteeth, but again, I don't think any DEC gear used that.
I am familiar with that key design. I have never seen it in DEC gear.
-ethan
On Thu, Jan 14, 2021 at 3:53 PM Chris Zach via cctalk
wrote:
> So does a 380 support programs in split I/D? If not I need to start
> hacking it to do so as 64k limits are for the birds...
The Pro380 has a J-11 chip. It should support Split I just fine on
any OS that knows about it. The real
On Wed, Jan 6, 2021 at 5:24 PM Noel Chiappa via cctalk
wrote:
> Anyone need/want a couple of these? Someone has a group of 5 for sale on eBait
> (#184317666245), and I want a couple, but not _5_. The seller didn't respond
> to a request to split up the lot, so I'd like to go in with a couple of
On Tue, Jan 5, 2021 at 6:41 PM Chris Zach via cctalk
wrote:
> I could not think of a reason to pick it up. So I didn't. I feel good
> about this.
I have a PDP-11/20 but this item was sold before I spotted the e-mail.
-ethan
On Tue, Jan 5, 2021 at 9:20 AM Paul Koning via cctalk
wrote:
> It's surprising that the RQDX3 wasn't made format-compatible with the older
> controllers.
I think it's more of a case that DEC completely rolled their own
controller for the RQDX1/2 and gave it and went with a standard (SMC)
On Tue, Dec 29, 2020 at 8:23 PM Josh Dersch via cctalk
wrote:
> A straight TI 980 (not one of the later 980A or 980B variants) appeared on
> my doorstep this afternoon.
Interesting. Unfortunately, I have no docs (outside of what's on Bitsavers).
Mine is the later 980A variety, FWIW, with fat
On Sat, Dec 12, 2020 at 5:48 PM Chris Zach via cctalk
wrote:
> The original Model 100 had 8k of memory on one 8k*8 chip. You could add
> 3 more chips and get up to 32k for the cost of the chips IIRC. I thought
> these were those chips.
So there are spaces for 3 more 6264 chips then? Those look
On Sat, Dec 12, 2020 at 2:51 PM Ethan O'Toole via cctalk
wrote:
> I did re-cap it. Everyone that has one should do this -- they leak.
I should pull mine out and do this. I know exactly where it is but I
haven't powered it on for years.
I think I have the floppy drive too, in the same box.
On Sat, Dec 12, 2020 at 11:08 AM Chris Zach via cctalk
wrote:
> Wow, that could upgrade so many deserving TRS80 Model 100's
>
> (always liked the basic simplicity of SRAM boards)
(I saw the correction that followed)
What SRAM was used in Model 100 upgrades? 6264? 62256? Or just
plain old
On Thu, Nov 19, 2020 at 6:14 PM Bill Gunshannon via cctalk
wrote:
> In most detective programs until at least the late
> 50's: Los Angeles == LAS ahn-gall-lees
Definitely heard that a bunch on Perry Mason.
-ethan
On Thu, Nov 19, 2020 at 11:14 AM Liam Proven via cctalk
wrote:
> (Aside: it is amusing to me, at least, that some British actors
> succeeded in Hollywood or TV analogues thereof, playing Americans, in
> what to other Brits sound like unconvincing accents: Hugh Laurie
> ("House"), Bob Hoskins
On Tue, Nov 10, 2020 at 1:47 PM Richard Milward via cctalk
wrote:
> Something that's always worked for me: when soldering a male DB
> connector (DB9, DB25, whatever -- or really any male/pin style
> connector), plug it into a mating female connector first. That will hold
> the pins securely in
On Mon, Nov 9, 2020 at 5:11 PM Chuck Guzis via cctalk
wrote:
> What, is this a question akin to γνῶθι σεαυτόν? Βρείτε σεαυτόν? I don't
> think it would take a Delphic oracle to do that.
Loving the classical references.
-ethan
On Mon, Nov 9, 2020 at 3:22 AM rice43 via cctalk wrote:
> I believe he's just looking for a BA23 rackmount faceplate, an RL02
> drive and a 3U blanking plate for those half-height PDP-11 cabinets
The 5.25"-tall blank plate for the H9642 cabs is the H9504-SC, FWIW
(not that it's a commonly-known
On Tue, Oct 20, 2020 at 10:02 PM Jay Jaeger via cctalk
wrote:
> I have had my system since February, 1988 when a friend and I hauled the
> 11/24, two RK07's a VT100 and and TU10 out of U Wisconsin Bascom Hall
> for about $600.
Nice. I didn't end up working for UW-Madison until 2003. I never
On Sun, Oct 18, 2020 at 2:56 AM jim stephens via cctalk
wrote:
> > https://www.facebook.com/marketplace/item/2854584287984635/
> Vax 6000-310
> Linwood, NC
>
> Main question I had, does this require a console machine to get
> running? like the Professional 380 which is badged as "Vax Console"?
On Thu, Oct 15, 2020 at 10:52 PM Chris Zach via cctalk
wrote:
> Next up is the 11/24,
> this is one of the 5.25 inch rack mounts with a CPU, KT24, and no memory.
>
> First question: Will ODT respond at all with no memory on the Unibus?
I don't recall. I think so but it's possible it won't. ODT
On Thu, Oct 15, 2020 at 4:41 PM Josh Dersch via cctalk
wrote:
> ...I struck
> what I consider to be a reasonable deal for the 11/70 and 11/45 and I'll be
> picking them up in November on a trip to SF I already had planned.
That's handy.
> What sold me though was that the 11/70
> has a PEP70 +
On Mon, Oct 12, 2020 at 7:15 PM Chris Zach via cctalk
wrote:
> Well, the drive is working. Better...
Excellent!
> I've heard that the RX02 can format an RX01, but can it?
Nope.
There were 3rd party controllers that could format 8" media in DEC
machines (DSD for one).
DEC controllers and DEC
On Sun, Oct 11, 2020 at 5:38 PM Noel Chiappa via cctalk
wrote:
> Hi, I'm trying to ID this:
>
> http://ana-3.lcs.mit.edu/~jnc/tech/pdp11/jpg/QBUSMystMem.jpg
>
> mystery QBUS memory card. I think it's a 64KB card
It is. 4 banks of 4116 16Kx1 DRAMs.
I don't recognize the logo, but I _might_
On Sun, Oct 11, 2020 at 8:52 PM jim stephens wrote:
> On 10/11/2020 4:54 PM, Al Kossow via cctalk wrote:
> > http://www.vcfed.org/forum/showthread.php?77118-Fire-sale-PDP-11-stuff
> >
> Ethan Dicks could use the metal and cabinets for his 11/70 collection.
> I wish I could go get it and transport
On Thu, Oct 8, 2020 at 3:39 PM Noel Chiappa via cctalk
wrote:
> > From: Ethan Dicks
>
> > a DEC sync serial board since that part is nowhere to be found right
> > now.
>
> I dunno, I see them fairly often on eBait (well, often compared to some other
> things, e.g. TU56 parts... :-)
On Wed, Oct 7, 2020 at 7:32 PM Peter Coghlan via cctalk
wrote:
> Ethan Dicks wrote:
> > There are no implementations of sync serial devices in Simh. That
> > would have to be written in any case. The DU11 and DUV11 are very
> > simple PIO serial lines with, IIRC, a COM5025 USART...
>
> This is
On Wed, Oct 7, 2020 at 6:26 PM Dennis Boone via cctalk
wrote:
> Folks seem to be mostly going at hardware here, but the o.p. indicated
> emulation.
Indeed. I brought up real hardware because that is the foundation of
my knowledge of RJE but I wasn't intending to propose that as a
solution.
On Wed, Oct 7, 2020 at 5:56 PM Bob Smith wrote:
> Sig 2652 is an alternative to the 5025. 5025 is based on the DP11 MSI
> design by Frank Zereski at dec, the 26t2 is based on my design for the
> DMC/KMC line units that could run DDCM{< BiSync-ADDCP-BDLC
Good to know about both of those chips. I
On Wed, Oct 7, 2020 at 4:49 PM Al Kossow via cctalk
wrote:
> On 10/7/20 1:39 PM, Ethan Dicks via cctalk wrote:
>
> > Synchronous serial lines are not typically a feature in the sort of
> > machines people are likely to be running something like Simh on,
> > espec
On Wed, Oct 7, 2020 at 4:19 PM Peter Coghlan 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
> >
> > My aim is to be able to submit a remote job from a simulated PDP-11 on simh
On Wed, Oct 7, 2020 at 1:50 PM Al Kossow via cctalk
wrote:
> On 10/7/20 10:32 AM, Ethan Dicks via cctalk wrote:
>
> > Using a KMC11 is similar
>
> Other than the KMC being a Unibus bandwidth hog.
Similar in principle, not in implementation.
COMBOARDs were quite well behave
For those that might want to look at the roots, there are a few
references at the bottom of this page to IBM Bisync docs.
http://www.3780-emulation.com/3780-emulation-bisync-protocol.htm
The other publication which really contains the meat of Bisync is the
manual for the Data 100 2780/3780
On Wed, Oct 7, 2020 at 12:07 PM Glen Slick via cctalk
wrote:
>
> On Wed, Oct 7, 2020 at 8:37 AM Ethan Dicks wrote:
> >
> > On Wed, Oct 7, 2020 at 5:07 AM Peter Allan wrote:
> > > RJE/HASP
> > > 2780/3780 Protocol Emulator
> >
> > I used to do this with specialty hardware...
> >
> >
On Wed, Oct 7, 2020 at 10:14 AM Jay Jaeger via cctalk
wrote:
> I remembered reading a man page for 2780/3780 emulation under UNIX back
> in the day (turns out it was for AT PWB UNIX), and found it:
>
> http://quintile.net/pwb/rje_guide.pdfManual
>
> Code seems to exist in
>
>
On Wed, Oct 7, 2020 at 9:46 AM Chris Zach via cctalk
wrote:
> I do have a bunch of Unibus 3270/X.25 boards from a third party vendor.
> Big big boards with a bunch of Z80's on them to do all the protocol
> work. Anyone interested in me digging them out and figuring out what
> they were?
Do you
On Wed, Oct 7, 2020 at 10:20 AM Paul Koning 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
>
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 this with specialty hardware...
On Wed, Aug 26, 2020 at 9:59 AM Bill Degnan via cctalk
wrote:
> I could set up an office or classroom of XTs. A funny if not impractical
> practical joke...
About 5 years ago, I set up a classroom of discarded but essentially
modern machines (Core2 Duo but couldn't run latest Windows) at our
On Thu, Jul 16, 2020 at 5:11 PM Glen Slick via cctalk
wrote:
> On Thu, Jul 16, 2020 at 1:42 PM Josh Dersch via cctalk
> wrote:
> >
> > I think I may have answered my own question here; looks like it's for a VAX
> > 8000 series:
> >
> > https://www.wikiwand.com/en/VAX_8000
> >
On Thu, Jul 16, 2020 at 4:42 PM Josh Dersch via cctalk
wrote:
> On Thu, Jul 16, 2020 at 1:34 PM Josh Dersch wrote:
> > Picked up a board advertised as a "4mb memory board" for a VAX-11/750...
>
> I think I may have answered my own question here; looks like it's for a VAX
> 8000 series:
That
On Mon, Jul 13, 2020 at 11:12 PM Phil Budne via cctalk
wrote:
> UUCP?
Definitely a good method, especially if you don't have Kermit already.
-ethan
On Sun, Jun 28, 2020 at 2:36 PM Paul Koning via cctalk
wrote:
> > Err, I expect that that was RSTS-11 in June, 1970, not RSTS-E. Since RSTS-11
> > (which I learned to program on; happy memories :-) was a BASIC-PLUS only
> > system, and ran on a PDP-11/20, I suspect it was a fairly different
> >
On Fri, Jun 19, 2020 at 4:26 AM Dave Wade via cctalk
wrote:
> Its been ages since I did this but looking here
>
> https://www.aggsoft.com/rs232-pinout-cable/RS232.htm
>
> I see we have a transmit clock output on pin 24, transmit clock input on 15
> and RX clock input on 17.
> So if on checking
On Thu, Jun 18, 2020 at 6:08 PM Peter Coghlan via cctalk
wrote:
> Ethan Dicks wrote:
> > As for the clocking, yes, a modem or modem eliminator provides the
> > baud rate clocking on pins 15 and 17. You could use any one of a
> > number of baud rate generators...
> I can rustle up +/-12V with a
On Thu, Jun 18, 2020 at 3:08 PM Chuck Guzis via cctalk
wrote:
> On 6/18/20 11:55 AM, Ethan Dicks via cctalk wrote:
>
> > We used to run our sync serial stuff between 9600 and 56kbps, both our
> > own Bisync products, and DDCMP over interfaces like the one that's
> > par
On Thu, Jun 18, 2020 at 2:42 PM Peter Coghlan via cctalk
wrote:
> Thanks for your reply Paul. My eventual goal is to be able to use the
> synchronous serial interface on a MicroVAX to connect to IBM machines that
> only support bisync lines.
I'm curious which software package you are using. In
On Thu, Jun 18, 2020 at 2:48 PM Paul Koning via cctalk
wrote:
> > On Jun 18, 2020, at 2:14 PM, Peter Coghlan via cctalk
> > wrote:
> > As I mentioned in another reply, I have a pair of baseband synchronous
> > modems
> > and were it not for a speed incompatibility between them and the MicroVAX
On Thu, Jun 18, 2020 at 5:53 AM Peter Coghlan via cctalk
wrote:
> To get somewhere near back on topic, I am trying to set up a synchronous
> serial link between two MicroVAX 3100 machines with DSH32 (or DST32 maybe)
> interfaces. One of the options I have is a BC19D cable and a BC19V cable
>
On Mon, Jun 15, 2020 at 1:33 AM Chuck Guzis via cctalk
wrote:
> On 6/14/20 8:41 PM, dwight via cctalk wrote:
> > ... Do remember that Intel's claim to
> > fame wasn't just micro processor. They were one of the first to do
> > MOS RAMs for big machines. They were more into solid state memory
> >
On Thu, Jun 11, 2020 at 2:37 PM Adrian Graham via cctalk
wrote:
> > The 4116's are soldered to the board, too
>
> You’ve just mentioned the magic 4116 word, I’d bet some of your dollars that
> it’s either one of those that’s gone south or the -5V required to run them
Definitely check the
On Thu, Jun 11, 2020 at 12:08 AM Zane Healy via cctalk
wrote:
> What I’m referring too is that in the US the Amiga hasn’t been a viable
> commercial platform for nearly 30 years.
I was using my A3000 every day through 1997, and only stopped because
I got a sweet deal on an A4000 in NZ and
On Thu, Jun 11, 2020 at 12:04 AM Zane Healy wrote:
> > On Jun 10, 2020, at 12:45 PM, Ethan Dicks wrote:
> > I still have a load of GG2 Bus+ boards I need to test and bag...
>
> I was wondering if you were still had GG2 Bus+ Boards, like you did 20 years
> ago.
I probably have a lifetime supply
On Wed, Jun 10, 2020 at 12:05 PM Zane Healy via cctalk
wrote:
> I found AmigaKit.com in the UK, are there any Amiga vendors left in the US?
> I need to order some parts, and not only do I not remember who I used to use
> in the US, I assume they’re gone.
I still have a load of GG2 Bus+ boards
On Tue, Jun 9, 2020 at 10:46 AM Jon Elson via cctalk
wrote:
> On 06/09/2020 09:27 AM, Anders Nelson via cctalk wrote:
> > Related question: Is there any reason, other than historical accuracy and
> > cost, to not replace the power supplies in vintage computers with modern
> > switching power
On Sun, Jun 7, 2020 at 10:53 PM Jon Elson via cctalk
wrote:
> Hmmm, separate sentence, I think they are saying they have
> VAX 6000's and VAX 730's available,
> call for freight quote. Wow, who would want a 730?
I would, but I already have one, so like Tony, I don't need *another* one.
-ethan
On Tue, Jun 2, 2020 at 7:15 PM Kevin Parker via cctalk
wrote:
> Do BYTE magazines have any collectability (maybe even from a historical
> perspective or something else)?
I know certain ones are sought after based on specific contributors or
specific machines gracing the cover (Amiga, Apple,
On Mon, May 18, 2020 at 6:34 PM Steve Malikoff via cctalk
wrote:
> There is a project that seems to be going along the same idea,
> http://www.kbdbabel.org/
Interesting starting point, but I tried to browse the code and it
flashed up instructions for how to use cvs or rsync to pull the code
On Mon, May 18, 2020 at 6:47 PM sales--- via cctalk
wrote:
> On 2020-05-18 17:34, Steve Malikoff via cctalk wrote:
> > There is a project that seems to be going along the same idea,
> > http://www.kbdbabel.org/
> >
> > Steve.
>
> Except that I can tell you from experience that not all 4p4c
On Mon, May 18, 2020 at 5:28 PM Paul Koning via cctalk
wrote:
> What I was talking about is a way to use a PC USB keyboard in place of an
> LK201, when your last remaining real LK201 has just failed. That involves a
> USB jack, a LK201-compatible handset jack, some electronics, and software to
On Mon, May 18, 2020 at 5:20 PM Electronics Plus via cctalk
wrote:
> Do you guys want original LK201s, or other keyboards that LOOK like LK201s
> in the caps and layout, or converters?
> I am a little confused... LK201 clones do not have the clip offset on the
> terminal connector, so you would
On Sun, May 17, 2020 at 5:13 PM Paul Koning via cctalk
wrote:
> I've been having problems with broken LK201s, so as a workaround I created an
> adapter that connects to a standard PC USB keyboard and makes it look like an
> LK201
>
> Question to the list: is this something that would be of
On Sun, May 10, 2020 at 9:12 PM Chris Zach wrote:
> > If you have the version of the RL02 that can be jumpered for either
> > RL01 or RL02 use, yes... write-protect the RL01 pack in a modified RL02.
>
> That is a good idea. A DPDT switch could flip to RL01 and engage the
> write protect switch
On Sun, May 10, 2020 at 6:59 PM Noel Chiappa via cctalk
wrote:
> ... but RL02's are quite rare now
Are they? Since I have had several of them since the 90s, I've never
tried to go buy more.
What's rare to me is RL01/RL02 absolute air filters. Finding a way to
repack the guts with new filter
On Sun, May 10, 2020 at 7:05 PM Chris Zach via cctalk
wrote:
> God, $140 is quite reasonable.
Yes I think so too.
> I keep thinking of picking it up but then
> I realize I can read my RL01's with my RL02's if needed, then move the
> data to bigger disks.
If you have the version of the RL02
On Thu, Apr 30, 2020 at 11:23 AM emanuel stiebler via cctalk
wrote:
> Not really on Classic Hardware, but we lost John Conway to corona :(
>
> And I think, most of us tried it on a terminal before ;-)
There's a fantastic implementation of Life using the custom Amiga
chipset to run the generation
On Mon, Apr 6, 2020 at 5:28 AM Jim Manley via cctalk
wrote:
> Speaking of COBOL and Admiral Grace Hopper, I have one of her actual
> nanoseconds, a piece of insulated solid wire about 11.2 inches long, when
> she was a Superintendent's guest lecturer. Since I was a Navy MSCS
> student, she
On Mon, Mar 30, 2020 at 3:43 PM Bob Rosenbloom via cctalk
wrote:
> In restoring my PDP-8/s, diodes were the problem. Turns out they have
> steel leads that rust. Easy to see with a microscope.
> Badly rusted ones broke the glass body.
Good to know. My PDP-8/S was stored indoors but my
On Sat, Mar 21, 2020 at 8:08 AM Supratim Sanyal via cctalk
wrote:
> John Dundas' distribution of VAX/VMS version 3.0 (April 1982) can now be
> downloaded from my Dropbox.
Cool.
My first VMS was 3.4 or 3.5 on an 11/750, September 1984. Moving to
4.0 was a huge shift.
> The SYSTEM password is
On Wed, Feb 19, 2020 at 10:45 AM Bill Degnan wrote:
> On Wed, Feb 19, 2020 at 12:37 PM Bill Degnan wrote:
>> On Wed, Feb 19, 2020 at 11:15 AM Ethan Dicks via cctalk
>> wrote:
>>>
>>> On Wed, Feb 19, 2020 at 5:10 AM Chris Zach via cctalk
>>> wrote:>
On Wed, Feb 19, 2020 at 5:10 AM Chris Zach via cctalk
wrote:> Hm. I have the bulkhead 25 pin to 40
pin interface thing from an RX02 in
> a box, I'm not using it as I am going from the pdp11's RX01 straight to
> the drive's controller. That should give you the pinout, want to borrow it?
I already
On Wed, Feb 12, 2020 at 12:28 PM Noel Chiappa via cctalk
wrote:
> My fiche set has the Technical Manual, and also (in the wirelist
> section) the wirelist.
>
> > That fourth card (M7268) is apparently a connector card for the Q-Bus
> > and drive bus.
>
> Yes, but actually there are 6
On Tue, Feb 11, 2020 at 1:12 AM David Griffith via cctalk
wrote:
> I'm trying to wrap my head around getting Mark Crispin's Panda
> Distribution of TOPS20 set up such that I can actually make use of a
> TOPS20 environment.
>
> 1) How do I get networking set up, preferably such that it'll work on
On Sun, Jan 26, 2020 at 2:59 PM Mattis Lind via cctalk
wrote:
> Hello IBM BSC Experts!
I used to be one 25 years ago, but it's been that long since I've even
set up a BSC line.
> I am trying to figure out the CRC algorithm used by IBM BSC...
>
> From this document (
>
On Sun, Jan 26, 2020 at 2:08 PM Noel Chiappa via cctalk
wrote:
> So I've decided to try and build up a KE11-A Extended Arithmetic Element. I
> have most of the boards (although I*m missing a M234 Register dual-width
> board, if anyone has one).
I have one but no spare parts.
> The main thing
On Mon, Jan 13, 2020 at 11:46 AM Jack Rubin via cctalk
wrote:
> If there is anyone in the greater Chicago area (or anywhere else) who'd like
> to drive over and take away anything from a carton to a carload of old stuff,
> from docs to chips, please let me know. No inventory list, no shipping -
On Tue, Jan 7, 2020 at 2:23 PM Al Kossow via cctalk
wrote:
> I just listed one of my TU55s on eBay
> I have a second one available in a rack with a TC01 avalilable for pickup in
> Fremont, CA
> that I'm accepting offers on.
Wow. I have a PDP-8/I to connect it to, but I seriously doubt I could
On Sat, Dec 28, 2019 at 5:39 AM Pete Turnbull via cctalk
wrote:
> Those old adapters are definitely just passive wiring, and were commonly
> supplied with dual-standard mice. That's why they're green.
I have green ones for mice, and purple ones for keyboards (same
signals on USB side, different
On Wed, Dec 4, 2019 at 12:08 PM William Donzelli via cctalk
wrote:
> Can the DEC M8291 CR11/CM11 controller card work with a DEC branded
> Documation M600 reader as well as the M200?
I think so but I haven't had a chance to try it out yet (I have an
M600, generic though not DEC-branded, and I
On Wed, Dec 4, 2019 at 12:26 AM Glen Slick via cctalk
wrote:
> When I worked in a group that was doing modem related software over 20
> years ago two of the telephone line simulators we used were from
> Teltone and from TAS.
>
> You can find Teltone TLS-2, 3, 4, and 5 boxes on eBay. The TLS-2 and
On Mon, Nov 25, 2019 at 5:56 PM Rod Smallwood via cctalk
wrote:
> Hi Ethan
>
> Ok .. I now have dimensions and will add you to the list
Cool. Thanks.
> I have only recently got back to doing panels after a break of a couple
> of years.
No worries. Good to hear your wife is on the mend.
I'm
On Mon, Nov 25, 2019 at 4:02 PM corey cohen via cctalk
wrote:
> If no one answers I can measure the panel at the VCF Museum’s straight-8 on
> Wednesday when I’m there.
I have the means to give the answer (and I'm likely to be a purchaser
since mine has some paint damage) but I can't get to mine
On Mon, Nov 18, 2019 at 6:15 PM Chris Zach via cctalk
wrote:
> I have some old boards and documentation for Unibus cards that would
> talk X.25, BISYNC and I think SNA. Any value?
Probably some small value, but as we (I?) have been discussing, the
applications that used those cards weren't easy
On Mon, Nov 18, 2019 at 7:42 PM Al Kossow via cctalk
wrote:
> I find it interesting that the field of comms interoperability with IBM
> mainframes was huge up until TCP/IP
> took over, and all traces of the software implementations have disappeared or
> were consolidated into a couple
> like
On Mon, Nov 18, 2019 at 4:22 PM Chuck Guzis via cctalk
wrote:
> You can say that again. We never could get HASP running on out 11-750
> on BSD. This was about 1984. The Berkeley Systems Group even tried
> and no soap.This was a leased line setup with Bell 209 modems.
I used to do that
On Sun, Nov 17, 2019 at 2:45 PM Fritz Mueller via cctalk
wrote:
> Hi Ethan,
>
> > On Nov 17, 2019, at 11:25 AM, Ethan Dicks wrote:
> > The box is kind of fun, and was standard for word processors and the
> > MINC-11 but I can understand wanting a rackable system.
>
> Thanks for the info!
Sure
On Sun, Nov 17, 2019 at 2:17 PM Fritz Mueller via cctalk
wrote:
> > Isn't the BC05L-15 folded up in the case? Or did they put a short one to
> > the back of the box? I can't remember now.
>
> I’ll have a look to remind myself when I get downstairs later today. IIRC,
> everything is brought
On Tue, Oct 29, 2019 at 9:15 PM Jeffrey S. Worley via cctalk
wrote:
> This link was posted on an Atari forum. I noticed a PDP 8 faceplate, a
> UNIVAC keyboard, and some other seriously retro parts. Might want to
>
> Hit this link:
>
>
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