test-drb

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101090 discussions

by lists＠loomcom.com

Here's an interesting tid-bit. I just got off the phone with the AT&T corporate archives, where I had hoped to find schematics and internals documentation for the AT&T 3B2. They do have it, but unfortunately they will not give access to any of it because they still consider the 3B2 to be proprietary information. I'm disappointed, obviously, but not all that surprised. 25 years is not a long time for a company like AT&T, and I understand the 5ESS system still runs a 3B20 emualtor. They may even still have support contracts for 3B2 installations, I'm not sure. Anyway, all that aside, will soon have access to a couple of 3B2/310s, so I hope to continue reverse engineering the hardware directly. -Seth -- Seth Morabito web at loomcom.com

10 years, 2 months

Australian CP/M era computers?

by cclist＠sydex.com

On 02/20/2016 08:26 AM, John Foust wrote: > > Can anyone help idenitfy these? > > https://www.reddit.com/r/vintagecomputing/comments/46nse6/a_family_member_f… In spite of the floppy drives, I don't think these are general-purpose boxes. The thing that strikes me, given the displays is that they might be graphics workstations of some sort. There's just too much there for a simple floppy-based computer. The problem is that Hitachi is a huge outfit with tendrils in all sorts of industrial areas. --Chuck

10 years, 2 months

VMS 5.5 and multinet 4.1 SMTP Question

by billdegnan＠gmail.com

I have been working to get my MicroVAX 3100 communicating with TCPIP, and I got pretty far but I ran into a little snag. I don't have it on right now, but anyone wanted to connect for fun it's available from microvax3100.vintagecomputer.net, just give me a few minutes to fire it up. I can telnet in/out and I can send SMTP messages, but I cannot yet receive them (reply to). The issue is with the format of the email address. I was wondering if I must send emails from my VMS 5.5 and multinet 4.1 as such: MAIL> MAIL To: SMTP%"bill at myemail.com" etc.. Is there a way instead to send like this: MAIL> MAIL To: bill at myemail.com" Question #2 I'd like to be able to send messages to my MicroVAX (reply to messages). At present if I try to send a message to SYSTEM at microvax3100@ vintagecomputer.net I get a rejection from the POSTMASTER like this: Bad address -- <SYSTEM> Error -- %MAIL-E-USERSPEC, invalid user specification ':' ------------- I have been reading up and I have narrowed the issue down to the differences between DEC mail format and "modern UNIX". I don't believe anything is being blocked. I am sure if I sent an email from a VAX to my VAX it would work just fine. I am also guessing there is a translation gateway that I need to set as part of the boot up process, and that this is a DECnet issue, not a Multinet issue. I was playing around with *@MULTINET:MR_CONFIGURE *but I am unsure if that's the correct process, or how to store this so it's permanently set. http://crpppc19.epfl.ch/vms/multinet/html/admin_guide/Ch08.htm#E15E104 Anyone have any tips? I don't want to upgrade the system unless I have to. If I find the answer on my own I will post it here. -- @ BillDeg: Web: vintagecomputer.net Twitter: @billdeg <https://twitter.com/billdeg> Youtube: @billdeg <https://www.youtube.com/user/billdeg> Unauthorized Bio <http://www.vintagecomputer.net/readme.cfm>

10 years, 2 months

Copying from a floppy to an SD card?

by tulsamike3434＠gmail.com

Is there a way to copy a disk from a commodore floppy drive to a SD card if so please enplane how it is done also I have MANY hard to find games if someonr would like to email the Fleet System 2+ I would be happy to trade them a game for it! Thank you all for all the great help you have given me!

10 years, 2 months

How to use both a VT-52 and an ASR-33 on a PDP-8A

by cramcram＠gmail.com

Hi, Just looking for suggestions on how best to setup my PDP-8A so that it can use either a VT-52 (current loop version) or an ASR-33. One idea I have is a multi-pole switch to change the baud rate from 110 to 9600 and to also switch the xmit and rcv current loops. Does anyone out there have any other suggestions? Thanks, Marc

10 years, 2 months

PDP-11/20 vd one that just says pdp 11 what are the date differences?? OEM?

by kspt.tor＠gmail.com

On 22 February 2016 at 20:08, <COURYHOUSE at aol.com> wrote: > > > Then there is this information..... > > PDP-11/15 > > > (http://gunkies.org/wiki/PDP-11/15#column-one) > (http://gunkies.org/wiki/PDP-11/15#searchInput) > > > This is the OEM version of the _PDP-11/20_ > (http://gunkies.org/wiki/PDP-11/20) . As gunkies came up a few times during this thread, please beware that those of us who update gunkies in some cases simply try to collect information that's floating around so that it doesn't disappear - gunkies is different from Wikipedia, and is meant to be. Please read http://gunkies.org/wiki/Main_Page, particularly 'Sentences starting with "I seem to recall" are perfectly welcome here' That doesn't mean that there's no trustworthy information there, but there'll be an element of "research", and sometimes hearsay, which Wikipedia doesn't allow. In other words, the output from discussions on this list will sometimes be input for gunkies, in that case it shouldn't be used the other way around.. except for defacto factual stuff like images and linked documents. (In other news, gunkies was recently moved to a "less glacial server", as the admin phrased it.. well, that's the understatement of the century, it's now easy and quick to edit. I mention this because now and then people on cctalk have asked for a place to collect lists of technical information of various types, which are not welcome on Wikipedia. This type of info *is* welcome on gunkies, and now that it's snappy to use it is a real alternative. Feel free, folks.. the only issue is that due to past spam problems it's necessary to email the admin to get an account and write access.)

10 years, 2 months

Logic Analyser Polling ....

by gerardcjat＠free.fr

Which is your favourite ? Why you like it and would recommend it ? and .... How often you use it ?

10 years, 2 months

dec mid-sized cabinet (TU10/TM11)

by jwest＠classiccmp.org

I had cause over the weekend to take apart my 8E dual-bay system (the TU10/TM11 is being traded off). I remembered there was some discussion a few weeks ago about the mid-sized dec cabinets with the sloped top front, so figured I'd post a pic. Mine may be somewhat unusual in that the operator controls for the TU10 are on this sloped front at the top rather than the bottom left quadrant of the drive. The rack next to it with the 8E and TU56 has just a blank sloped front in that "PDP 8E Yellow". Picture at : https://www.flickr.com/photos/131070638 at N02/24884152340/in/dateposted/ J

10 years, 2 months

DEC and DG equipment for sale/trade/whatever in Houston TX

by nospam212-cctalk＠yahoo.com

Hi all, Really hate to do this but been out of work for a while and need to clear out a storage space to save some money. And I figure as much as I'd like these machine working to play with, I'll never actually get to work with them so offering them up for sale, trade for smaller more in line with my other systems items, or if it gets down to it, just get it to a good home though would be nice to get a little something out of it. Have a PDP-11/34 in a rack with an RK05J drive though I suspect the drive isn't any good now. The top of the drive is gone as I rescued this from a scrapper who had started on the drive first. Several disk packs are included but no idea what is on the disks as I didn't get to any point with it where I could tell. I did test out the power supply and then bring up the system itself and seem to run fine. The boards inside from what I recall are RK05 controller (M7254, M7255, M7256, M7257), memory (H-228B, H-222A (x2)), memory parity (M7850), SLU & Realtime clock (M7856 (x2)), an M7814, console interface (M7859), boot roms (M9301YF), and cpu (M8265, M8266). Also have a DG Nova-3 but it is basic case without any boards inside at all. Hope someone is interested and can pick them up as my only other option will be to send it all back to the scrapper. Let me know if you need any more info and I'll do what I can to get it. Not an expert on either system and they are in the back of the storage space so it could take me some time to pull them out to get any info off them. Will have some other stuff to offer up as well as I clear out the space. Best, David Williams www.trailingedge.com

10 years, 2 months

seeking Briel micro-altair logo

by dave＠661.org

Does anyone here have the vector artwork for the Briel Micro-Altair? As shipped, these computers have a sticker on the front for the logo. I recently discovered that the local hackerspace has a laser cutter that can also blacken[1] metal plate. I would like to apply a better-looking logo that way. [1] The process, I gather, appears to involve applying a sheet containing resin or something akin to powder coat which is then melted by the laser and sticks to the metal substrate. -- David Griffith dave at 661.org A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?

10 years, 2 months

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