- test-drb@ccmp.vtda.org - classiccmp.org

Fire-Sale PDP-11 update (and request for parts)

by jfoust＠threedee.com

At 12:41 AM 12/5/2020, Josh Dersch via cctalk wrote: >Thought you folks might be interested in a quick update on my folly here. > >At the beginning of November I drove down to the bay area to pick up the >two fire-damaged PDP-11 systems -- a PDP-11/70 and a PDP-11/45. (I also >made a few other stops and got a few other items, but that's not what I'm >here to talk about...) Darn, I thought you'd tell some other tales of what Dale had in his warehouse. - John

5 years, 4 months

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[cctalk] WTD - Jupiter Ace plastic rivets

by w9gb＠icloud.com

Phil - Search for Push-In Rivets (plastic, nylon, etc.). Two of the largest mfg. of plastic Push Rivets are just east (Richco, River Forest, IL) and north (Fastex, Des Plaines, IL) of me. Both have been acquired by larger conglomerates. ? Richco (River Forest) was bought by Essentra Components (UK) in December 2011. https://www.essentracomponents.com/en-us/s/push-in-rivets Global HQ for Essentra is in your neighborhood (Ask for Samples). Langford Locks Kidlington, Oxon, OX5 1HX United Kingdom Tel: +44 (0) 1865 844572 Fax: +44 (0) 1865 844488 orders at essentracomponents.co.uk www.essentracomponents.com/en-gb ==== ITW/Fastex : Push Rivets (Des Plaines, IL) acquired by Illinois Tool Works (ITW). https://www.itw-fastex.com/rivets.html == greg, Chicago === Date: Fri, 4 Dec 2020 02:20:55 +0000 From: Philip Pemberton <classiccmp at philpem.me.uk> To: cctalk at classiccmp.org Subject: WTD - Jupiter Ace plastic rivets Has anyone got a couple of the white plastic rivets which are used to hold the Jupiter Ace case together? They consist of a 4-point clawed rivet of about 5mm long, and a pin which pushes down the centre to open it out. I need five of them ideally - but even two or three would get the case buttoned up, if not perfectly. I've checked the local plastic supplier catalogues and haven't found anything which quite matches up. Cheers, -- Phil. philpem at philpem.me.uk https://www.philpem.me.uk/ Sent from iPad Pro

5 years, 4 months

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Taking apart a Perq

by cz＠alembic.crystel.com

So I'm getting into the "I can see the box" layers in the excavation project, and I have a question: I've got a box that may be a Perq, and a printer that may be a Perq printer. The printer looks like an old Laserjet I, and the box is metal, 3ish feet tall, and has what looks like a 10 inch hard disk inside. Problem is I won't be able to get it up the steps. (Where have I heard that before). So how much can one take a Perq box apart to make it as light as possible? Is it simple to get the drive out? Power supply in there somewhere? How about the card cage? Pics at: https://i.imgur.com/ohuohvC.jpg https://i.imgur.com/81him0F.jpg

5 years, 4 months

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Looking for Hazeltine 2000 keyboard

by dfnr2＠yahoo.com

Hello, I just picked up a Hazeltine 2000c? terminal without the keyboard.? If anybody might happen to have (or know of) a spare Hazeltine 2000 keyboard, I would be very interested.? I realize it's a long shot. The keyboard is a standard ASCII keyboard, with several extra function keys and lights, so I'm pretty sure I can whip up a replacement, but the whole point is to recapture the original look and feel.? Back in the '70s, Memphis State (Now U of M) had a few of these terminals, and a great many Hazeltine 1500 terminals.? I've been hunting for a Hazeltine 2000 for ages.? It would be awesome to have one up and running. Dave

5 years, 4 months

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Votrax Type N Talk or PSS, Intextalker, Microvox

by robert.stek＠gmail.com

If anyone knows of an available unit (at considerably less than the $500 one on eBay), please let me know. I actually have one SC-01-A and would even take a unit missing the Votrax chip - I understand some units were scavenged for the chip for several video arcade machines which used them.

5 years, 4 months

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Apple IIe case screws

by mokuba＠gmail.com

Does anyone know the size/threading of these? I've been searching high and low and haven't been able to find any approximate or otherwise specs (they use captive clips, so close is OK) - i've found the PSU mounting screw sizes and sourced those though. -- Gary G. Sparkes Jr. KB3HAG

5 years, 4 months

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Boot Roms for MRV11-C

by dj.taylor4＠comcast.net

The boot roms for the MXV11-B multifunction board can be used in the MRV11-D general purpose ROM q-bus board.? Neat if you want to put together a small system. I have a MRV11-C board and it differs from the MRV11-D board primarily in the ROM sockets, 24 pin on the MRV11-C and 28 pin on the MRV11-D so I can't use the MXV11-B ROM's directly. Can the MXV11-B ROM set be adapted for the MRV11-C board?? If not, what can you use as a bootstrap ROM set on the MRV11-C? Doug

5 years, 4 months

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Radio Shack 8MB hard disk for Model II

by spacewar＠gmail.com

I had occasion to look at the service manual for the Radio Shack 26-4150 8MB hard disk which was used with the Model II (and potentially could be used on 12, 16, 16B or 6000). Note that this drive is not compatible with the Model I, 3, or 4, and the cable wiring between the computer and the controller (inside the drive box) is entirely different than what was used on the later 5, 12, 15, 35, and 70 MB drives. The Model II host adapter for the 8MB drive thus is only useful with the 8MB drive, and vice versa. There were later Model II host adapters that could be used with the 12, 15, 35, and 70 MB drives, which were also useful on the Model I, 3, and 4. Anyhow, I discovered that according to the documentation, the 8 bit data bus between the host interface and controller uses 8T26 bidirectional buffers at each end, which are rated to sink up to 24 mA, but the schematics show that Radio Shack put 220/330 ohm terminators on the data bus lines at BOTH ends of the cable! That requires the 8T26 to sink as much as 55 mA, which means that its logic zero output voltage is likely to exceed its normal rating. At the very least, this will result in reduced noise immunity. I don't have an 8MB host interface or drive in hand to confirm, but the photos I've found online do show the resistor networks on both ends. The controller (inside the drive box) is a modified version of a WD1000, configured for use with the 8-inch SA1004 drive, which operates at 4.34 Mbps, NOT 5.00 Mbps like 5 1/4" drives. Aside from that, it has a different host pinout than a normal WD1000 (or than the later Tandy controllers), and has extra circuitry for dealing with write protection. Electrically, the host interface is otherwise the same as the WD1000. Normally the data bus for the WD1000 would only be single-terminated at the controller end. That is in fact what Radio Shack did on all of the later host adapters.

5 years, 4 months

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Anyone want some LMI Lisp Machine tapes?

by lproven＠gmail.com

https://www.ebay.de/itm/254795423667 ?1 ? LISP MACHINE INC 1/2" Reel Tapes Anyone who opens this auction will know what this is - and how unique these tapes are. The lot is consisting of 13 tapes, which are labeled as follows: LMI FORTRAN 77 #1352-0000 LMI Release 2.0 two tapes LMI Boot / SDU 3.14 #3143-0000 Rev A LMI REL 3.1 Patch Tape 1600BPI 30. SEP 1987 LMI CS Tape Experimental 6. AUG 1987 LMI UCODE 1599 11 FEB 1987 LMI RELEASE 2.0 Diagnostics #1022-0000 LMI LISP SOURCE LMI Release 3.0 LISP System 3.205 Microcode 1593 plus four unlabeled tapes plus two loose tape label, not assignable to the tapes unlabled The tapes were not tested for readability by me and will be sold as is. Shipment world wide, please ask for shipment costs - additional insurance cost might be apply. ? -- Liam Proven ? Profile: https://about.me/liamproven Email: lproven at cix.co.uk ? gMail/gTalk/gHangouts: lproven at gmail.com Twitter/Facebook/LinkedIn/Flickr: lproven ? Skype: liamproven UK: +44 7939-087884 ? ?R (+ WhatsApp/Telegram/Signal): +420 702 829 053

5 years, 4 months

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Dec ultrix 32 reference books for sale

by lyokoboy0＠gmail.com

I have a bankers box worth of dec ultrix 32 reference manuals in grey dec binders. Im looking to sell the box of books for a few $ plus the cost of shipping. Hoping to find these books a good home. --Devin D.

5 years, 4 months

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Heathkit H89A (was accidentally circuit cellar...)

by shumaker＠att.net

Thanks!?? No clue which of us were first but if the museum is interested, I will pass. Steve Shumaker On 11/30/2020 12:42 PM, Tom Uban via cctech wrote: > Valparaiso, IN. > On 11/29/20 4:21 PM, s shumaker via cctalk wrote: >> where are you? >> >> Steve >> >> >> On 11/29/2020 9:37 AM, Tom Uban via cctalk wrote: >>> I'm sorting through my stuff and have Heathkit H89A computer. Last time I messed (20 years ago) it >>> showed signs of life, but was not fully functional. I do have a manual for it. >>> Pics upon request. >>> Any interest? >>> >>> --tom >>> >>>

5 years, 4 months

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VMS on x86-64/ARM/RISC-V? - was Re: Microvax 3100 VMS 7.3 password reset

by camiel.vanderhoeven＠vmssoftware.com

On 11/14/20, 1:49 AM, "cctech on behalf of Adam Thornton via cctech" <cctech-bounces at classiccmp.org on behalf of cctech at classiccmp.org> wrote: > I mean obviously the NEXT thing to do is start bugging VSI for ARM support?given that the OS runs on VAX, Alpha, Itanic, and x86_64, how much really crucial and hard-to-port assembly can be left in it??and given the way datacenters are trending, it might not even be a commercially stupid move. I want to run VMS on my phone (or my next Mac). Doesn?t everyone? Hi Adam, Possible architectures beyond x86 we're keeping an eye on are ARM and RISC-V, but they'll need to start doing a lot better in the datacenter before it'll be worth our while. So far, ARM in the datacenter hasn't taken off the way many predicted it would. One thing I'm better at than crystal ball gazing though, is I can give you an idea of how much hard-to-port assembly is left, since I wrote most of the x86 assembly code in it :-) With the port to x86, we made a conscious effort to minimize the amount of code written in assembly; so at this point, it's pretty much limited to code where (a) we can't use the stack, or we need to manipulate the stack pointer in a non-standard way; (b) we need to use a special instruction that we don't have a compiler builtin for (these are mostly cases where an instruction is only used in one place); and (c) code that needs to mix calling standards - i.e. the code shims necessary to interact with the UEFI firmeware. Category (a) is obviously the more interesting one, and that includes things like code that is responsible for switching between VMS' four modes (kernel, executive, supervisor, and user mode), and context switching for the schedulers (OS scheduler, kernel process scheduler, and POSIX threads scheduler). The OS scheduler is a good example of our effort to eliminate assembly code. On VAX, Alpha, and Itanium, the scheduler loop and the idle loop (which performs maintenance tasks such as dirty page zeroing) were written in assembly, and re-written with each port. For x86, I rewrote these in C, using small assembly helper routines only in the critical parts where it couldn't be avoided. In total, there are 30 modules that were written in x86-64 assembly. I'd classify 10 of those are trivial, 16 as average, and 4 as complicated and difficult. The complicated and difficult category contains code responsible for dispatching system services, handling interrupts and exceptions, delivering ASTs. As much design and work was involved in those assembly modules though, a whole lot of x86-specific work was done for the MACRO-32 compiler. MACRO-32 originated as the VAX assembler, and while it is a compiler on other architectures, it is still much like an assembler, and specific translations from the VAX instruction set to the target architecture need to be made. The MACRO-32 compiler talks to the LLVM code generator backend at a lower, more instruction-centric level than the compilers for higher languages, and this work is very x86-64 specific. Given that about 1/3 of the OS is written in MACRO-32, we won't get rid of MACRO-32 code in the OS any time soon. (The other 2/3rds are written in BLISS and C) Also, in the C, Bliss, and MACRO-32 code, lots of conditionalizations are made on architecture. Certain things are done differently on Alpha than they are on Itanium, and on x86 we sometimes do things the way we did them on Alpha, sometimes the way we did them on Itanium, and sometimes we need to come up with an x86-specific way. So, the port to x86 has made a future port to ARM or RISC-V easier; particularly by moving to the LLVM code generator backend, and by figuring out how to run a four-mode OS on a two-mode architecture without sacrificing the benefits of running in four modes; but it has by no means made it trivial. Camiel

5 years, 4 months

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DEC PDP-8/E wanted - still looking

by ccth6600＠gmail.com

Tom Uban fully built "Spare Time Gizmos" SBC6120 based computer complete with front-panel and IO board is on its way to me. :-) I am still looking to buy one of the following PDP-8 models: PDP-8/F PDP-8/E PDP-8/L PDP-8/I PDP-8/M Dave, Chris, Paul and Robert I am looking forward to getting more details >from you. I am happy to pay a reasonable price for the right PDP-8, so a seller won't be disappointed. Thanks and best regards Tom Hunter

5 years, 4 months

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NEC NEAX IVS2 PBX with NEAXMAIL AD-8 - hard drive clone, issues

by keith＠saracom.com

Hi Liam, As stated in my OP, I was using Windows 10 and USB adapters. I used Rufus, Active Disk Image, and Macrium Reflect programs to copy it an image file and then back to the CF. They are supposed to create exact images of the drives but I think they do not. Of course it could be something with my CF to USB adapter. As far as errors, as stated in my OP, "Since the voicemail card is running headless, I can't see the error messages." The only way I know of a successful boot, is one LED turns green and then I can call in to the VoiceMail card. I am going to try a Linux machine and DD next. > ------------------------------ > > Message: 5 > Date: Fri, 27 Nov 2020 16:12:39 +0100 > From: Liam Proven <lproven at gmail.com> > To: "General Discussion: On-Topic and Off-Topic Posts" > <cctalk at classiccmp.org> > Subject: Re: NEC NEAX IVS2 PBX with NEAXMAIL AD-8 - hard drive clone > issues > Message-ID: > <CAMTenCFACtaGvYBp3cowxhWjestSyBmeyUx=8RXjJ8er3O__-w at mail.gmail.com> > Content-Type: text/plain; charset="UTF-8" > > On Fri, 27 Nov 2020 at 01:32, keith--- via cctalk <cctalk at classiccmp.org> wrote: > >> I have tried to copy it to an industrial CF >> card but no luck. I have used Rufus, Active Disk Image, and Macrium >> Reflect. > > First question: how did you try to copy it? > > You've not given us anywhere near enough info to try to troubleshoot the issue. > > ? What did you connect it to? > ? How did you connect it? > ? What did you try to copy it onto? > ? Partitioned how? > ? Formatted with what FS, using what tool? > ? What OSes did you try? > ? What errors did you get?

5 years, 4 months

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ISO earl TI DSP kits

by aek＠bitsavers.org

CHM doesn't seem to have much early DSP stuff in the collection Does anyone have any of the TMS32010/20/30 or C1x/2x/3x hw/sw kicking around? Other than the docs I've scanned there doesn't seem to be much on the web either.

5 years, 4 months

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NEC NEAX IVS2 PBX with NEAXMAIL AD-8 - hard drive clone, issues

by keith＠saracom.com

Hi Chris, I will give Linux and DD a try. I do have an USB to 2.5 inch IDE adapter. thanks Keith On 2020-11-28 13:00, cctech-request at classiccmp.org wrote: > The way I would do that is to use a Linux / unix machine and one of the > cheap ebay usb to ide adapters, then use dd to image the whole drive > to a file. That should copy block, including the boot block and > partition table. Use the reverse process to image the file back to > another drive... > > Chris

5 years, 4 months

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NEC NEAX IVS2 PBX with NEAXMAIL AD-8 - hard drive clone, issues

by syseng＠gfsys.co.uk

The way I would do that is to use a Linux / unix machine and one of the cheap ebay usb to ide adapters, then use dd to image the whole drive to a file. That should copy block, including the boot block and partition table. Use the reverse process to image the file back to another drive... Chris

5 years, 4 months

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1
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OSM Zeus 4 Computer

by g-wright＠att.net

Over the years I have requested help on a Zues 4 I have here but only ran into a dead end street.It would error on boot. Today I booted it up and is came up? for some odd reason..? OSM Computer Corp.? Multi-User System.? 4.01/4.00? 01-19-1983? Muse 04.50 running I still can't find much on The OS. looks a little like MPM? Dir lists what looks like CPM/MPM type files. I do see PIP listed but would like to get a Back UP if possible.? Not sure how log the Drive will Keep working. Any manuals or the like out there on the OS? "muse" Or the computer Here is a Picture of one? http://computersheds.uk/fixed_pages/osm_zeus_4.html Thanks,? Jerry

5 years, 4 months

2
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NEC NEAX IVS2 PBX with NEAXMAIL AD-8 - hard drive clone issues

by keith＠saracom.com

Hi Everyone, Not a classic computer but has a 386 embedded in it for the voice mail. I rescued it from work. We had it rung for 20 years straight. The voice mail (AD-8) is basically a 386 running MS-DOS 6.22. So my concern is the hard drive. It is the original 2.5 inch IDE IBM Travelstar 6 GB drive. It has bee running for 20 years except for a handful of extended power outages. Hence while it is working now, I don't have too much hope for the future. The PBX had its on battery backup and also was always connected to a UPS. I have tried to copy it to an industrial CF card but no luck. I have used Rufus, Active Disk Image, and Macrium Reflect. I don't have my older PCs up and running at the moment, hence I have been trying with a Window's 10 machine and USB adapters to no avail. Since the voicemail card is running headless, I can't see the error messages. There is a serial port but but I have figured out the settings yet. Any suggestions? Do I need to get a DOS machine running to do this? And yes, I really don't need the voicemail working, nor do I need a PBX in my house but why not?

5 years, 4 months

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[TUHS] Seeking wisdom from Unix Greybeards

by erc＠pobox.com

You could write something in C using curses/ncurses (which will do the ANSI sequences for you automatically).

5 years, 4 months

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[TUHS] Seeking wisdom from Unix Greybeards

by steffen＠sdaoden.eu

Grant Taylor wrote in <9c1595cc-54a1-8af9-0c2d-083cb04dd97c at spamtrap.tnetconsulting.net>: |Hi, | |As I find myself starting yet another project that that wants to use |ANSI control sequences for colorization of text, I find myself -- yet |again -- wondering if there is a better way to generate the output from |the code in a way that respects TERMinal capabilites. | |Is there a better / different control sequence that I can ~> should use |for colorizing / stylizing output that will account for the differences |in capabilities between a VT100 and XTerm? | |Can I wrap things that I output so that I don't send color control |sequences to a TERMinal that doesn't support them? color_init() { [ -n "${NOCOLOUR}" ] && return [ -n "${MAILX_CC_TEST_NO_COLOUR}" ] && return # We do not want color for "make test > .LOG"! if (command -v stty && command -v tput) >/dev/null 2>&1 && (<&1 >/dev/null stty -a) 2>/dev/null; then { sgr0=`tput sgr0`; } 2>/dev/null [ $? -eq 0 ] || return { saf1=`tput setaf 1`; } 2>/dev/null [ $? -eq 0 ] || return { saf2=`tput setaf 2`; } 2>/dev/null [ $? -eq 0 ] || return { saf3=`tput setaf 3`; } 2>/dev/null [ $? -eq 0 ] || return { b=`tput bold`; } 2>/dev/null [ $? -eq 0 ] || return COLOR_ERR_ON=${saf1}${b} COLOR_ERR_OFF=${sgr0} COLOR_WARN_ON=${saf3}${b} COLOR_WARN_OFF=${sgr0} COLOR_OK_ON=${saf2} COLOR_OK_OFF=${sgr0} unset saf1 saf2 saf3 b fi } Is what i use for a make system. --steffen | |Der Kragenbaer, The moon bear, |der holt sich munter he cheerfully and one by one |einen nach dem anderen runter wa.ks himself off |(By Robert Gernhardt)

5 years, 4 months

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[TUHS] Seeking wisdom from Unix Greybeards

by lm＠mcvoy.com

man 1 tput is what I use. On Wed, Nov 25, 2020 at 10:14:55AM -0700, Grant Taylor via TUHS wrote: > Hi, > > As I find myself starting yet another project that that wants to use ANSI > control sequences for colorization of text, I find myself -- yet again -- > wondering if there is a better way to generate the output from the code in a > way that respects TERMinal capabilites. > > Is there a better / different control sequence that I can ~> should use for > colorizing / stylizing output that will account for the differences in > capabilities between a VT100 and XTerm? > > Can I wrap things that I output so that I don't send color control sequences > to a TERMinal that doesn't support them? > > > > -- > Grant. . . . > unix || die > -- --- Larry McVoy lm at mcvoy.com http://www.mcvoy.com/lm

5 years, 4 months

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Fortran IV V2.5 for RT-11

by mattislind＠gmail.com

I found a three RX01 disk set for a Fortran IV system V2.5 for RT-11. I dumped the contents and it is available here: https://drive.google.com/file/d/12VXh4wk3Zo_fSGRtLPHwrJg6ui3pwVd-/view?usp=…

5 years, 4 months

2
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DEC PDP-8/E wanted

by ccth6600＠gmail.com

I know it is the year 2020 but nevertheless what are my chances of finding a complete and repairable DEC PDP-8/E or as a second choice a PDP-8/I ? Is there any hope or should I be just content with my SIMH based PiDP-8/I? Thanks Tom Hunter

5 years, 4 months

6
7
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LCD screen repair

by trash80＠internode.on.net

Hi folks - be grateful for a little advice please. Some time I rescued an Apple Power Mac G4 (it's a beautiful machine, not that I'm a big Mac person, and I can't believe someone was going to toss it) - powers up OK but looks like it just needs a new battery as its not holding date and time. Anyway the other day I was cleaning up in my collection facility and dropped the monitor - I wasn't quick enough to save it from hitting a metal object just under the bench and as chance would have it of course this happened screen side. Its put a gouge in the surface of the screen - link to photos below. http://koken.advancedimaging.com.au/index.php?/albums/apple-screen/ Now I believe it is possibly repairable but the are many kits and methods out the all claiming some success. I figure I'm only going to get one shot at this so would appreciate any advice from anyone who may have effected such a repair before. Thank you. Kevin Parker <https://t.sidekickopen76.com/s1t/o/5/f18dQhb0S7n28cFFdQW752kH81jkhdLW1_k-L- 1qZM43W3s0v_y2M0f8BF4c2NfHml5Hf6Bq4h603?si=8000000004908274&pi=2139d449-dcd9 -4daf-91a4-c2defc817fd5>

5 years, 4 months

4
5
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FS: Tek scope, HP LA, and Electronic components!

by mechanic_2＠charter.net

Hello all, I have probably developed cancer. I can't get in for treatment. I have enough lumps in my body that it probably wouldn't make a difference. So more than likely I am dying. I am asking for everyone's help. I am selling off all of my processions and simplifying my life before I die. I don't want to see this stuff end up in the landfill. Please help out a dying old man? I have a Tektronix 465B Scope with four probes for sale. A HP 16700A LA with 5 16555D LA cards and all of the cables. There is a 16701B Expansion box and the interconnect cable. There is an external SCSI drive box with a CD rom and a ST318417N drive in it. There are a bunch of micro probes for the LA. A monitor, keyboard, mouse, manuals, and CDs. I also have a very large collection of electronic components in over 40 storage cabinets. There are also a lot of books on electronics. I am asking $250 plus the shipping on the scope. This shipping won't be cheap. $500 plus shipping for the LA. Again shipping will be very expensive. It will take five boxes to ship the LA. I will deliver the scope and/or LA to any where in the lower 48 for the cost of shipping. $500 for the components, cabinets, and books. Shipping is not possible. So it it have to be local pick up. Bring a truck and trailer. PP F&F, Cashiers Check, or Postal Money Order. Please contact me off list. GOD Bless and Thanks, rich! Happy Thanksgiving!

5 years, 4 months

3
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DEC PDP-8/E wanted

by couryhouse＠aol.com

Go for a 8m or f? same omnibus and easer to lift as only onevnibuss panel!? - On Friday, November 20, 2020 John H. Reinhardt via cctalk <johnhreinhardt at thereinhardts.org; cctalk at classiccmp.org> wrote: On 11/20/2020 8:01 AM, Tom Hunter via cctalk wrote: > I know it is the year 2020 but nevertheless what are my chances of finding > a complete and repairable DEC PDP-8/E or as a second choice a PDP-8/I ? > > Is there any hope or should I be just content with my SIMH based PiDP-8/I? > > Thanks > Tom Hunter Funny you should mention... There is a guy in Endicott, NY with a PDP-8/E possibly looking for a new home.? Posted a couple days ago on the VCF DEC Forum <http://www.vcfed.org/forum/showthread.php?77602-DEC-de-accession-value-esti…> > Circumstances require selling off some or all the DECs [ will still have some DGs to play with ]. > One can often get a general idea of value based on prior open market (like eBay) sales but not > enough comparables out there, so would like to get a ball-park idea. > > Prefer to see them stay within VCF but because of the amount previously invested I'm not able to "give it away" > at hobby prices as I would like in an ideal world. Everything is good shape and complete, but not booted up since dry long term storage. May sell some or all of it but will try here before eBay. Here's a quick overview, informed and straightforward feedback much appreciated. > > > Complete PDP-8/E, 8k core, full flip chip/board set (have list), good condition, long dry storage. > > Complete PDP-11/05, 8k core, full flip chip/board set (have list) good condition, long dry storage. > > DECScope VT-52, good condition nothing missing or damaged from long term storage. > > RX-01 dual floppy drive, good condition nothing missing or damaged, from long storage. > > thanks for your help. > Roger in NY Be aware people are telling him his system is probably worth about $1000.? I have seen other 8's go for more on Ebay but I don't recall which model. -- John H. Reinhardt

5 years, 4 months

6
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DEC PDP-8/E wanted

by mosst＠SDF.ORG

On Nov 22, 2020, at 04:01 PM, Chris Hanson via cctalk <cctalk at classiccmp.org> wrote: > >Does anyone know of anyone building them for sale? I dont need a real >PDP-8 in my life with all my other hardware (more Q-bus PDP-11, on the >other hand) but Id love having *a* PDP-8, especially one that doesnt >require enormous amounts of power. Hi Chris, There's a few options in this regard, in increasing degrees of "realness" (and cost!) depending on how you define it. 1) The PiDP-8 by Oscar Vermeulen - Raspberry Pi based 8/i replica running SIMH in a miniaturised case. https://obsolescence.wixsite.com/obsolescence/pidp-8 2) The SBC6120 - Originally by Spare Time Gizmos, but now re-released by the RetroBrew Computers community. This is a 6120 based PDP-8/e replica, with optional front panel. (the panel doesn't appear to be made "officially" anymore, as the design files are missing, but a Russian company appears to have copied it. (I have the Russian version but have yet to assemble it.) https://www.retrobrewcomputers.org/doku.php?id=boards:sbc:sbc6120-rbc-editi… http://www.sparetimegizmos.com/Hardware/SBC6120-2.htm https://chipkin.ru/product/pechatnye-platy-dec-pdp-8-e/ 3) The LD12 / LD20 by Franklin Prosser and David E. Winkel - This is a TTL based clone of a PDP-8/i, originally devised as part of an exercise in the book "The Art of Digital Design An Introduction to Top Down Design" in the early 80s. A few people on vcfed.org have built their own based on these designs, and daver2 has made a run of PCBs (wirewrapped!) http://www.vcfed.org/forum/showthread.php?74125 4) Vince Slyngstad of so-much-stuff.com has scanned many PDP-8 boards and re-created them in Eagle CAD software. I know he's been working on re-creating the 8/e CPU recently but AFAIK it's not finished yet. There are however many OMNIBUS peripheral cards, and a board that combines 32KW of battery backed RAM with a boot ROM. Roland Huisman has also re-created the RX8E floppy controller, and has made an RX02 emulator to go with it, so if you lack an RX01/2 drive you can still have something to boot off. Kyle Owen has also created a neat bit of software that allows you to use a spare serial port and a *NIX system to simulate an RK05. So with all this, it should in theory be possible to build your own 8/e class system soon enough if you can find all the parts for it. http://so-much-stuff.com/pdp8/cad/boards.php https://github.com/Roland-Huisman https://github.com/drovak/os8diskserver Regards, -Tom mosst at sdf.org SDF Public Access UNIX System - https://sdf.org

5 years, 4 months

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WIN 1.0

by c.murray.mccullough＠gmail.com

A milestone in 'classic' computing happened Nov. 20, 1985 with the release of Windows 1.0: A GUI sitting on MS-DOS. Text-based input on it's way out! Happy computing all. Murray ? <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_cam…> Virus-free. www.avg.com <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_cam…> <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>

5 years, 4 months

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[TekScopes] FS: Tek scope, HP LA, and Electronic components!

by mechanic_2＠charter.net

Hello all, I forgot to put in that I live in Reedsburg, WI 53959 which is near the WI Dells. Sorry about that! GOD Bless and Thanks, rich! On 11/21/2020 4:29 AM, Richard R. Pope wrote: > Hello all, > I have probably developed cancer. I can't get in for treatment. I > have enough lumps in my body that it probably wouldn't make a > difference. So more than likely I am dying. I am asking for everyone's > help. I am selling off all of my processions and simplifying my life > before I die. I don't want to see this stuff end up in the landfill. > Please help out a dying old man? > I have a Tektronix 465B Scope with four probes for sale. A HP > 16700A LA with 5 16555D LA cards and all of the cables. There is a > 16701B Expansion box and the interconnect cable. There is an external > SCSI drive box with a CD rom and a ST318417N drive in it. There are a > bunch of micro probes for the LA. A monitor, keyboard, mouse, manuals, > and CDs. I also have a very large collection of electronic components > in over 40 storage cabinets. There are also a lot of books on > electronics. > I am asking $250 plus the shipping on the scope. This shipping > won't be cheap. $500 plus shipping for the LA. Again shipping will be > very expensive. It will take five boxes to ship the LA. I will deliver > the scope and/or LA to any where in the lower 48 for the cost of > shipping. $500 for the components, cabinets, and books. Shipping is > not possible. So it it have to be local pick up. Bring a truck and > trailer. > PP F&F, Cashiers Check, or Postal Money Order. Please contact me > off list. > GOD Bless and Thanks, > rich! > Happy Thanksgiving! > > > -=-=-=-=-=-=-=-=-=-=-=- > Groups.io Links: You receive all messages sent to this group. > You automatically follow any topics you start or reply to. > View/Reply Online (#173490): https://groups.io/g/TekScopes/message/173490 > Unfollow This Topic: https://groups.io/unft/78408890/89555 > Group Owner: TekScopes+owner at groups.io > Unsubscribe: > https://groups.io/g/TekScopes/leave/1125693/1414938750/xyzzy > [mechanic_2 at charter.net] > -=-=-=-=-=-=-=-=-=-=-=- > > >

5 years, 4 months

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Osborne 1 keyboard repair - success!

by ccth6600＠gmail.com

I have managed to completely disassemble the bad Osborne 1 keyboard - remove all key mechanisms (body, plunger, main spring and actuator spring), remove the 3 layer membrane from the aluminium backing board and separate all three membrane layers (bottom, spacer and top) - all without damaging or losing any bits. I then carefully cleaned off all adhesive and other sticky gunk from all layers using various solvents including water, isopropyl alcohol and white spirit. The silver tracks remained undamaged as confirmed with a multimeter. I then carefully reassembled the 3 layers, inserted and super-glued the keyboard mechanisms in batches, testing after each batch. I did not use any glue to reattach the 3 membrane layers so they are held together only by the keyboard mechanisms with their prongs protruding through the layers into the aluminium backing plate to which the prongs are super-glued. I sealed the edges around the membrane using Kapton tape to provide protection from dust etc. The tape also attaches the membrane edges to the aluminium backing plate. All keys except the "Alpha Lock" key work perfectly. It appears that I have damaged the address line 7 on the bottom membrane. I can live without "Alpha Lock" so I did not pull everything apart again to fix this un-important key. The conclusion is that membrane keyboards can be fixed if your life depends on it. It is absolutely uneconomic though. I worked about 30 - 40 hours on the keyboard alone. Working Osborne 1s sell for between US$100 and US$300 on Ebay. Regards Tom Hunter

5 years, 4 months

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ISO: Keronix Omnibus 8K "E1" memory schematics / technical docs

by derschjo＠gmail.com

Hey all -- Got a nice 8KW omnibus core memory board here, designated the "E1" from Keronix, that almost works except that bit 1 is off in the weeds somewhere. Not a lot of information out there on Keronix hardware, anyone have any docs? The board came with a sheet describing the addressing configuration, but that's it. Thanks as always, Josh

5 years, 4 months

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DEC PDP-8/E wanted

by couryhouse＠aol.com

All the 8 m and f I had when in comp. Biz in the 80s had the full front panel...?? guess I lucked out... Now,8a. Could cone either way into my shop though.... On Friday, November 20, 2020 Pete Turnbull via cctalk <pete at dunnington.plus.com; cctalk at classiccmp.org> wrote: On 20/11/2020 16:55, ED SHARPE via cctalk wrote: > > Go for a 8m or f? same omnibus and easer to lift as only onevnibuss panel!? - Also a switchmode PSU which is much lighter than the -8/E linear supply. But the -8/M normally has the minimal panel with the power key and minimal toggle switches. -- Pete Pete Turnbull

5 years, 4 months

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Crypto Ancienne: TLS for the Internet of Old Things

by spectre＠floodgap.com

If you have an older pre-C99 system, I've backported a TLS 1.2 library to gcc versions as early as 2.5 as long as it has 64-bit ints (long long, usually) and stdarg.h. https://github.com/classilla/cryanc As a test, with a suitably agreeable (or confusable) browser, here are various period browsers visiting modern HTTPS sites through carl, the included demonstration application which can also act as a TLS proxy. The proxy is running on the same machine, no tricks! OmniWeb, at least two flavours of NCSA Mosaic and MacLynx are all demonstrated. https://oldvcr.blogspot.com/2020/11/fun-with-crypto-ancienne-tls-for.html -- ------------------------------------ personal: http://www.cameronkaiser.com/ -- Cameron Kaiser * Floodgap Systems * www.floodgap.com * ckaiser at floodgap.com -- Good software lets me sleep. -- Michael W. Lucas ---------------------------

5 years, 4 months

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Systems Engineering Laboratories - SEL History

by mooreericnyc＠gmail.com

Hello, I have pulled together a website with links to resources and information on SEL, or Systems Engineering Laboratories. http://mnembler.com SEL was a computer manufacturer in the 60s and 70s which later was acquired by Gould and then Encore. They made many major innovations and were instrumental in the success of the Apollo program. The website is still a work in progress, but I did want to share it with yall. -Eric

5 years, 4 months

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evil thing to ask but I need keystroke logger

by boris＠summitclinic.com

If it's a windoze system, modified a bare-bones keylogger about 10 years ago which records all keystrokes (can get time of key_press, key_release) and also monitors all mouse clicks as well as title of window clicked on. Can also record every mouse event which takes up a LOT of disk space. Just hooks keyboard and mouse events and works even on hospital systems which are fairly locked down. Written in VB6 and also wrote a program to either look at keyboard/mouse events over time or to dump text typed in. Has saved lots of work for me as windoze has a bad habit of crashing when I'm 20 minutes into writing a note and can get all keystrokes that were saved to disk during this time. Initially written to find out how much time I spent IFOK. Also has a stealth mode where keylogger window hidden and can be brought up with a key sequence and then need a password to stop it. Not very stealthy as can be easily terminated through ProcessExplorer. Could always use Wireshark to capture all packets exchanged while they're on computer. >I have kids that after corona are in lockdown, so they are on >computers all the time. >Supposed to be doing schoolwork, but no, feedback from the school is negative. > >Can I trap some traffic from these PC's and what software would you recommend? > >Randy

5 years, 4 months

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evil thing to ask but I need keystroke logger

by rdawson16＠hotmail.com

I have kids that after corona are in lockdown, so they are on computers all the time. Supposed to be doing schoolwork, but no, feedback from the school is negative. Can I trap some traffic from these PC's and what software would you recommend? Randy

5 years, 4 months

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Emails not appearing

by cctalk＠gtaylor.tnetconsulting.net

Hi, On 11/19/20 11:25 AM, Richard Milward wrote: > Yes, my latest message did show up today, I just saw it. > But I don't understand your "-cctalk / +direct" comment. I removed cctalk the mailing list that I received the email from. I then added you as a direct recipient. > I don't subscribe to the list, I get enough emails as it is! Did you send an email to the cctalk mailing list? If you sent to it and you aren't subscribed, perhaps your messages have been held for moderation. That would account for delay. > Thanks. You're welcome. -- Grant. . . . unix || die

5 years, 4 months

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XpressWare v8.1 or above (software for Tektronix X11 terminals)

by francis.massen＠gmail.com

Hello, I have the NCDbridge v. 4.0 software, and could send you a copy. I am still looking for XpressWare, unable to find. I use for host a Raspberry Pi with TFTP (can not get NSF to connect..), the Tektronix kernel (os.350) and other stuff is in /opt/tekxp/boot on the host. Best regards, Francis Massen https.//computarium.lcd.lu

5 years, 4 months

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Emails not appearing

by rsmilward＠frontier.com

I've sent a few things to this address, but they haven't shown up in the regular digests I get. How do I get something into the digest so other folks can see it? (Or does it have to be about DEC machines? Ha-ha!) Thanks! -- **Richard

5 years, 4 months

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WTB: AUI cables

by cctalk＠gtaylor.tnetconsulting.net

Hi, Does anyone have any AUI cables for 10Base5 that they would be willing to sell? I'm looking for a couple of them 1-2 meters long. I will eventually* need them for my 10Base5 / Thicknet / Hosepipe network segment. In ham radio net style, chat on list, and conduct business directly / off list. *I still haven't found sufficient Round-to-Its to get off my posterior. -- Grant. . . . unix || die

5 years, 4 months

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neat VGA tester

by w2hx＠w2hx.com

For you folks that work on machines with VGA monitors. https://www.mpja.com/11-16-20.asp?r=344017&s=2 I don't own one but it seemed interesting enough to pass on. 73 Eugene W2HX

5 years, 4 months

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WTB: Amiga 8375 Agnus IC (NTSC or PAL) or Amiga 600 motherboard

by ethan＠757.org

Looking for an Amiga 8375 Agnus IC (Amiga 600, Amiga 500 Plus.) NTSC is what I have now but the PAL version might work. Also interested in an Amiga 600 motherboard, can deal with it if bad caps and cap damage. Thanks -- : Ethan O'Toole

5 years, 4 months

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Seagate Elite "reverse surging" noise

by jules.richardson99＠gmail.com

I picked up a couple of 9GB Seagate Elite SCSI disks the other day (model 410800N, 1995-vintage but 5.25" FH units). Both drives spin up, both pass r/w tests successfully. On one unit, the spindle motor sound is constant. On the other, however, it makes a sound that I can best describe as "reverse surging", where every 5 seconds or thereabouts there's a very brief lowering in tone before the "normal" sound resumes. Anyone familiar with the Elite range know if "some of them just do that", or if it's likely to be some form of fault (which may only get worse)? I've never encountered a disk which does this before; my ear's not detecting any kind of speed increase prior to the decrease (and I don't know if that's what's really going on or not), but that's what my brain wants to think is happening. However, if the speed really was fluctuating to the point that I could hear it then I'm surprised that I'm not getting read/write problems. cheers Jules

5 years, 4 months

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TU58 dumps. Mostly VAX 11/750 AND 11/730 diags and console tapes.

by mattislind＠gmail.com

I dumped almost 50 TU58 tapes. They were given to me by an ex DEC FS engineer. Most of them are various 11/750 diagnostics. The tapes or not the official DEC TU58 tapes but home brewed tapes used in FS so there might not be an exact match to existing lists of official tapes. But they might be useful anyhow. I have seen diags for CI 750, DW750, RH750, DT07, Various Ethernet, UDA50, TK50, DZ32, DMF32, DH11 and some more standard 11/750 MIC, DPM tests and instruction tests. Then there were some 11/730 tapes. Console and two diag tapes. I collected everything in a google-drive-folder https://drive.google.com/drive/folders/1CkcXVJS9aJDwD4ihdj27QYcgkm7gEdrQ?us… This folder also contains some older dumps I have done. Both DECtape and DECtape II. All dumps are aggregated into a document trying to give a hint on what the dump contains. Beware that some dumps failed to read correctly and are just partial. But it should hopefully be clear from the file size. https://docs.google.com/document/d/1vD8erJM-HitSd4kRXt6_Rzl403HDoprr08EY69u… /Mattis

5 years, 4 months

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Floppy pressure pad replacement?

by deramp5113＠yahoo.com

I?ve got some adhesive backed industrial felt that I punch with a leather punch. I?ve replaced many of those pads on 8? and 5.25? drives and the felt pad works well. Shoot me an email and I can send you a few pads if you need. Mike

5 years, 4 months

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Looking for Console MUX cable for HP E45

by rp＠servium.ch

I recently acquired a HP 9000 E45. Unfortunately, it came without the console MUX panel and cable. I was lucky to find an ADP II (5062-3054) in my "pile of useful stuff", but sadly, the 78pin to DB9 cable is missing. The part number of the cable is 5060-3074 though there might be others that work (5062-3074 is mentioned a few times in the HP forums, but not in the manual so I'm not 100% certain it's the right cable). Does anyone have a spare cable or an ADP or DDP with the cable they would let go for a reasonable price? Or have one and could tell me which 9 out of those 78 pins go where on the DB9 connector? thanks Rico

5 years, 4 months

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Wanted: listing RIPL ROS IBM3705 or Amdahl4705

by h.j.stegeman＠hccnet.nl

Hi all, I searching for a scan or copy of the ROS listing of a IBM 3705 or Amdahl 4705 REMOTE. I all ready have the local single- and multi-channel attached versions, but still missing the remote one. Anyone who can? help me ? Thanks Regards Henk www.ibmsystem3.nl

5 years, 4 months

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Microvax 3100 VMS 7.3 password reset

by athornton＠gmail.com

I for one was thrilled to see that there will be x86_64 hobbyist licenses for VMS. I have an emulated VAX on a Raspberry Pi (I don?t know if my 11/730 works, but I doubt it?it?s nowhere near a 220V power supply and it?s not been much of a priority, and I have a VAXStation 3100 that doesn?t pass POST even with a freshly-burned ROM) running OpenVMS 7.3, and a real AlphaServer 800 running 8.4. I mean obviously the NEXT thing to do is start bugging VSI for ARM support?given that the OS runs on VAX, Alpha, Itanic, and x86_64, how much really crucial and hard-to-port assembly can be left in it??and given the way datacenters are trending, it might not even be a commercially stupid move. I want to run VMS on my phone (or my next Mac). Doesn?t everyone? Adam

5 years, 4 months

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Next project: 11/24. Does it need memory?

by jnc＠mercury.lcs.mit.edu

> From: Jay Jaeger >> 2--M7134 KT24 Memory map > M7891 UNIBUS Memory (256K, I think, presumably addressed for 0). If that's all the memory you have, the KT24 isn't really doing anything (well, monitoring power; holding boot PROM's; etc). Is your MS11-L configured to be EUB memory, then? If no KT24 is plugged in, the CPU detects that there isn't one there, and permanently, statically maps the UNIBUS straight across to the bottom 256KB of EUB space. (Presumably a low-cost option for the /24.) Although the 'straight across' mapping only applies to UNIBUS->EUB cycles, not EUB->UNIBUS cycles, such as those from the CPU; but the TM says [pg 2-31 in the 003 version] that if E124-S6 is OFF, "the lower 18 bits of every address go to the UNIBUS", which implies that when OFF, UNIBUS memory appears at 0 in the CPU's address space. So it should work as UNIBUS memory, with E124-S6 OFF; it would be interesting to verify that. The TM also says (pg. 2-40) "systems with UNIBUS memory ... require changes to be made to the mapping jumpers [on the KT24]". > Let me know if you want me to go thru the process of > .. > 2) Pull the boards and document What kind of box is your -11/24 in, a BA11-A, or BA11-L? If the latter, I'd be really grateful for some closeups of the interior, so I can put mine back together, and do some of these experiments. (Yes, yes, I know I should have taken pictures before I took it apart; I was just starting, and was going by how we used to do things, back before there were digital cameras.) I could probably work it out by staring hard, and thinking harder, along with the prints, but photos would be a lot easier! :-) If it's a BA11-A, I'm still trying to get an image of the special power adapter used to turn the bus bar of the BA11-A into the 6/15 pin Mate-N-Lok connectors used by the -11/24 backplane. Noel

5 years, 4 months

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