Re: DEC VT 420 comm cable?

2018-06-15 Thread Bill Degnan via cctalk
I have a 7-part lecture series titled "The DEC MMJ Cable and You" I often present on luxury cruise ships if you're interested. Bill On Fri, Jun 15, 2018, 7:57 PM W2HX via cctalk wrote: > A hearty thank you to Bill D. Dave W., Jonathan C and Warner! Everything > you ever wanted to know about

RE: DEC VT 420 comm cable?

2018-06-15 Thread W2HX via cctalk
A hearty thank you to Bill D. Dave W., Jonathan C and Warner! Everything you ever wanted to know about MMJ (and then some)! Gracias! 73 Eugene W2HX -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Warner Losh via cctalk Sent: Friday, June 15, 2018

RE: HP 7980 tape drives

2018-06-15 Thread Ed Sharpe via cctalk
Need badly!! will work on our 3000 37 museum has yes, we need a real reel tape drive. we have a xl me machine of some sort stored and world wok on that too ed sharpe archivist for smecc. www.smecc.org Sent from AOL Mobile Mail On Friday, June 15, 2018 Ed Sharpe via cctalk wrote: will

RE: HP 7980 tape drives

2018-06-15 Thread Ed Sharpe via cctalk
will work on our 3000 37 museum has yes, we need a real reel tape drive ed sharpe archivist for smecc. www.smecc.org Sent from AOL Mobile Mail On Friday, June 15, 2018 Jay West wrote: Ed wrote... -- can use the hpib but some one would have to be on way to grand canyon and drop

Re: 68020 adapter

2018-06-15 Thread Chris Hanson via cctalk
On Jun 15, 2018, at 1:39 PM, Carlo Pisani via cctalk wrote: > > hi guys > I need something like this (1) > anyone know where can I get one? > > (1) https://literature.cdn.keysight.com/litweb/pdf/64748-90901.pdf You could probably put one together in KiCad and have boards made by Oshpark

RE: HP 7980 tape drives

2018-06-15 Thread Jay West via cctalk
Ed wrote... -- can use the hpib but some one would have to be on way to grand canyon and drop off.. --- You aware that your HP TSB systems wont speak HPIB? J

Re: Lots of old DEC stuff

2018-06-15 Thread Ethan Dicks via cctalk
On Fri, Jun 15, 2018 at 11:03 AM, Ed Sharpe via cctalk wrote: > quite a selection... We have a couple extra declabs like he has > listed at his url of > >

New Listings Added to Sellam's Virtual Warehouse of Computing Wonders

2018-06-15 Thread Sellam Ismail via cctalk
New items added for June 15, 2018: Panasonic FT-70 Executive Partner Radio Shack TRS-80 Color Computer Mini Disk Atari 850 Interface Module Atari 1010 Program Recorder Rana Systems 1000 Floppy Disk Drive Axiom ParallAx CD Printer Interface Apricorn external parallel port interface Personal

RE: HP 7980 tape drives

2018-06-15 Thread Ed Sharpe via cctalk
can use the hpib but some one would have to be on way to grand canyon and drop off.. Sent from AOL Mobile Mail On Friday, June 15, 2018 Stan Sieler via cctalk wrote: Hi, Anyone interested in three HP 7980 tape drives (9-track, 1600/6250 BPI, IIRC). One HP-IB interface, two SCSI

HP 7980 tape drives

2018-06-15 Thread Stan Sieler via cctalk
Hi, Anyone interested in three HP 7980 tape drives (9-track, 1600/6250 BPI, IIRC). One HP-IB interface, two SCSI interfaces. Rack mountable. Most likely local pickup only, in Redwood City. thanks, Stan

Re: LISP microcode for an 11/730? Was Re: Modifying microcode

2018-06-15 Thread Steven M Jones via cctalk
On 06/15/2018 08:28, Steven M Jones via cctalk wrote: > I wasn't able to find a reference to back it up, but ... Sorry for the delay - that was stuck in my Outbox over a two week business trip...

LISP microcode for an 11/730? Was Re: Modifying microcode

2018-06-15 Thread Steven M Jones via cctalk
On 06/02/2018 11:08, Robert Armstrong via cctalk wrote: I've heard a persistent rumor over the years that the WPS/8 and PDP-8 software group at DEC had modified the 730's microcode to support a PDP-8 emulation [...] I wasn't able to find a reference to back it up, but if we're sharing

Re: Lots of old DEC stuff

2018-06-15 Thread Ed Sharpe via cctalk
quite a selection...   We have   a  couple   extra  declabs like  he  has listed   at his  url of https://www.ebay.com/itm/Rare-Digital-DEC-H-500-Computer-Lab-1960s-Same-Switches-as-PDP-8-I-Vintage/132629011390?hash=item1ee14e1bbe:g:a~8AAOSwSXFa2KWo   we were fortunate to  find a  group of

Re: DEC VT 420 comm cable?

2018-06-15 Thread Warner Losh via cctalk
In a pinch, you can use a normal modular jack (RJ45 I think) with the retaining tab cut off. All MMJ does is move that tab. The idea, back in the day, was that you wouldn't want to confuse phone and serial cables. Sounds sane, but the MMJs were hard to get a hold of and a real pita in practice.

Re: DEC VT 420 comm cable?

2018-06-15 Thread Jonathan Casiot via cctalk
On 15/06/2018 03:45, W2HX via cctalk wrote: Hi friends, I just received a refurb'd VT-420 with green screen. I see that I need a special 6 pin/modular-type cable for the comm port. I located the adapter to get to DB25 ( https://www.ebay.com/itm/262041938994 ) but I need the

RE: DEC VT 420 comm cable?

2018-06-15 Thread Dave Wade via cctalk
Eugene, Its called an MMJ cable, Modified Modular Jack. The price from the Stonewall link in Bills mail seems typical commercial. Pretty some one in the USA was making these for less. I have the bits to make some in the UK but shipping gets expensive. Dave > -Original Message- > From: