test-drb January 2018

test-drb@ccmp.vtda.org

177 participants
213 discussions

by derschjo＠gmail.com

Anyone have any idea where one might track down a copy of TI System V for the S1500 series? I've had these two TI UNIX systems for awhile now, a TI S1505 and a TI S1507 (68030 and 68040-based, respectively). They came without hard drives or OS media and so they've basically been doorstops. I asked around about OS media back when I got them (in 2013) and at the time I got no leads; I'm guessing things probably haven't changed, but I figured I'd ask again just in case... Seem like nice machines, wish I could do something with 'em... - Josh

6 years, 6 months

Logic Analyzer software for the HP-IB/RS-232 bus pre-processor HP 10342B

by marc.verdiell＠gmail.com

This has probably been asked before, but does anyone have the software package that came with the HP-IB/RS232 HP10342 bus pre-processor for the HP1650 series Logic Analyzer (actually I have a 1670G)? It should have a config file and an inverse assembler file. I'm interested in the HP-IB files. Can't find it anywhere. - Marc

6 years, 6 months

Interest Check: Belden Thicknet 10base5 Ethernet Coax

by systems.glitch＠gmail.com

All, Per the recent discussion on thicknet/early Ethernet, I figured I'd see if there's any interest in cut-to-length Belden thicknet/10base5 Ethernet cable. I've got a local surplus guy who's got at least one 1100 foot roll. It's the real Ethernet spec stuff, sez so on the cable, and it has the bands to locate your vampire taps. If there's enough interest, I'll buy the spool off of him and cut it to length for whoever's interested in buying some. I can crimp N terminations on as well. Thanks, Jonathan

6 years, 7 months

Jobs, McGowan and Olsen

by dm561＠torfree.net

An interesting 3 hours on PBS last night: - 'Steve Jobs - One Last Thing': No description necessary. - 'Long Distance Warrior': McGowan/MCI's David & Goliath battle with AT&T and disastrous merger with Worldcom. - 'Digital Man/Digital World': Ken Olsen/DEC's growth and ultimate decline. (No doubt everyone here except myself had already seen this one ;-) Interesting comparison of the different styles and personalities of three men who profoundly influenced the tech world of today and their companies. Thoroughly enjoyed it. m

6 years, 8 months

Dec-10 Day announcement from Living Computers: Museum + Labs

by RichA＠livingcomputers.org

Happy DEC-10 Day! It is my honor to announce that we at Living Computers: Museum + Labs are releasing to the computing community our Massbus Disk Emulator and all the associated software. This device connects via Massbus cables to the RH10 and RH20 interfaces on KI-10 and KL-10 systems, to the RH11 interface on KS-10 and small PDP-11 systems (including the front end 11/40 on the KL-10), and to the RH70 on the PDP-11/70. The MDE provides up to 8 emulated RP06 or RP07 disks (represented by disk files in the format used by the SimH emulation of these systems). We expect that it will also work with the RH780 on the VAX-11/780 and VAX-11/785 although we have not yet tested it in this configuration. The original MDE was designed by Keith Perez in 2005, and emulated up to four RP06 drives connected to a KL-10. The current generation was a redesign by Bruce Sherry in conjunction with the restoration of our DECsystem-1070 in 2012, and initially provided eight RP06 drives on the RH10. It has undergone continual development, with associated software created for us by Bob Armstrong, and is now being opened up for the use of the relevant communities. To this end, we have placed the design files for the hardware and the source files for the software to interface with it, along with our library of Universal Peripheral Emulator routines, on public access repositories at Github. The URLs for these repositories are https://github.com/livingcomputermuseum/MDE2 https://github.com/livingcomputermuseum/MBS https://github.com/livingcomputermuseum/UPELIB These are released under a very liberal license which will allow for free use of the MDE by any interested party. Happy Dec-10 Day! Rich Richard Alderson, Sr. Systems Engineer Living Computers: Museum + Labs 2245 1st Avenue S Seattle, WA 98134 Cell: (206) 465-2916 Desk: (206) 342-2239 http://www.livingcomputerss.org/

6 years, 9 months

Vaxstation 3100 of odd sort on epay

by jwsmail＠jwsss.com

This might be a tempest or shielded vaxstation? Anyone speculate or know for sure. The vendor may have these mixed in as equivalent to their other vaxstations. If you search for "DEC vax VS42A-BN" you end up back at the vendors listing for the ones with plastic covers. I didn't turn up any info yet, not hoping to. but the thing has what appears to be optical, and a huge connector which may be shielded SCSI on the back. I can't tell from the front, but there may be a hatch to allow it to be opened and a floppy inserted, not sure from the photos. VINTAGE-RARE-DEC-DIGITAL-VAXSTATION-3100-PF-VS42A-AA-RF-VS42A-BN-COMPUTER-SYSTEM/ http://www.ebay.com/itm/370930391341 Kind of an interesting device. I looped back into the vendors listings to this auction for the plastic topped version, by the way VINTAGE-DEC-DIGITAL-VT1300-VAXSTATION-VS42A-BB-COMPUTER-SYSTEM-VT-1300-TERMINAL/ http://www.ebay.com/itm/370912245260 It is badged VT-1300 so may not be a vaxstation. And the other box may be one of the VT-1300's that is tempest or shielded. thanks Jim

6 years, 10 months

FS: Livingston Portmaster 2e

by kevin.bowling＠kev009.com

This one is fully upgraded to 30 serial ports. Just shoot me an offer, I'll probably say yes Regards, Kevin

6 years, 10 months

Microvax II 'primer'?

by jules.richardson99＠gmail.com

So, I picked up (and I did just carry it into the house, and now I hurt) a Microvax II from another list member yesterday. Cosmetically it's a disaster (BA123 has a cracked top panel, broken wheels, missing front door, missing right-rear panel) but internally it appears to be complete; board wise we have: M7606 - CPU M7608 - 4MB ram M9047 - grant continuity M7504 - DEQNA ethernet M3104 - DHV11 8-port serial M7555 - RQDX3 disk controller M7546 - TX50 controller ... it's got a TK50 and hard drive (no idea of capacity). Operational status is a complete unknown, and I have absolutely zero knowledge about these systems - so my question at this stage is what background reading I need to be doing in terms of pre-powerup* checks, actually hooking a console, if there's a suggested minimal config I can use to diag the CPU, and then (assuming it gets to that point) how to actually use the thing (I'm assuming it was running VMS rather than Ultrix, but I don't know for sure). I'm wondering there aren't any handy tutorials out there, alongside whatever DEC docs are recommended. * e.g. for most machines I'd be thinking in terms of pulling all boards/drives, hooking up a dummy load to whatever PSU rails required it, and then at least running the PSU up in isolation first, but I don't know to what extent this machine requires some logic in place for the PSU to even run. cheers Jules

6 years, 10 months

Google, Wikipedia directly on ASCII terminal?

by martin＠meiner.ch

Hello guys. I am a passionate collector of old computerhardware (PDP8?s) and terminals from the very early 70ies. It has always been my aim to be able toconnect a modem or an acoustic coupler directly to one of my ASCII terminals,dial a number and be connected?with Google! Something like Google-interface but convertedto match ASCII terminals (only text, very simple graphics). I am aware that all searches that returnpicture sand graphics will not be displayed. But at least search-page should bein plain text, and many websites may as well. Wikipedia would be great? Does anybody know if there exists such anaccess-number where this conversion is already made, or is there a small deviceon the market that allows on one side connect to a dial-up modem and on theother side to the terminal and doing the ASCII conversion stand-alone? ?It would be really cool to be able todemonstrate to folks that these terminals can actually look up pages on Googleand (with limitations) also access some pages. Something similar has actually been done in an artisticway a few years ago under: http://www.masswerk.at/googleBBS/or http://www.masswerk.at/google60/ But I need the real thing working where I canconnect my terminals to?? Any help is appreciated

6 years, 10 months

EPROM baking

by Mark＠Misty.com

Hi, I am working on several projects requiring 2708 and 2716 EPROMs, and am finding some of my chips will not erase, and some will not take a program. I've also learned more in the past week than I wanted to know about repairing Data-I/O 29a/b programmers. I vaguely remember in the 1990s baking such EPROMs in the oven, but I do not remember temperature or time. I was surprised that Google didn't turn up anything useful with this info. I'm sure someone here will have some notes on EPROM baking. Mark -- Mark G. Thomas (Mark at Misty.com), KC3DRE

6 years, 10 months

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test-drb January 2018