test-drb

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101090 discussions

by bob＠theadamsons.co.uk

Beginning of the 70's I was using a pdp-10 at TSL (Time Sharing Limited, UK) over a phone line writing logic simulation software in Fortran. Remember it fondly, especially the number of times I needed to redial in and try to reconnect to my session. Still smell the teletype. Cost about ?10 for the 20 seconds cpu-time or so just to compile the program!!! Roll on a few years and I was actually at the console of a 10 at Smiths doing IC layout graphics interactively on their Lady Jane suite. What a great single-user machine! (and I still remember my username and password from TSL, typed it so often it burned in). Bob > -----Original Message----- > Date: Tue, 24 Oct 2017 18:42:42 +0100 > From: "Rob Jarratt" <robert.jarratt at ntlworld.com> > To: "'Dave Wade'" <dave.g4ugm at gmail.com>, "'General Discussion: > On-Topic and Off-Topic Posts'" <cctalk at classiccmp.org>, "'Kip > Koon'" > <computerdoc at sc.rr.com> > Subject: Re: Which Dec Emulation is the MOST useful and Versatile?. > Message-ID: <003101d34cef$7eca53c0$7c5efb40$(a)ntlworld.com> > Content-Type: text/plain; charset="us-ascii" > > > > Ah the PDP10! Although the very first computer I used was a PDP11, it > was so briefly that I really consider the PDP10 (in DECSYSTEM-20 form) > to be my first computer. It is easy to emulate in SIMH, although the > SIMH emulation is of a less capable processor (KS10) and I think KLH10 > is the best emulator for that (but I have never used it). > ... > > Rob

8 years, 10 months

FOR SALE: Macintosh Performa 450

by sellam.ismail＠gmail.com

I have a nice, working Macintosh Performa 450 for sale, details here: http://www.vcfed.org/forum/showthread.php?60274-Apple-Macintosh-Performa-45… Thanks! Sellam

8 years, 10 months

Interesting mini-doc on Gilbert Hyatt

by sellam.ismail＠gmail.com

Here is an interesting mini-documentary on the fight Gilbert Hyatt (patent holder for the concept of the microcomputer) had with the Franchise Tax Board of State of California: https://youtu.be/rfyPZdSBwBQ Sellam

8 years, 10 months

Is it really that quiet out there?

by barythrin＠gmail.com

Yes, but the irony if us replying on-list isn't lost. -------- Original message --------From: Robert via cctalk <cctalk at classiccmp.org> Date: 10/24/17 11:40 AM (GMT-06:00) To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> Subject: Re: Is it really that quiet out there? The last one that I received was October 20th. Robert

8 years, 10 months

Digression - Ah Yes!! The PDP-10

by COURYHOUSE＠aol.com

oddly there were times you could dial into a broken dec 10 connect and end up connected to someone elses session.... Ed# In a message dated 10/25/2017 2:18:30 P.M. US Mountain Standard Time, cctalk at classiccmp.org writes: > -----Original Message----- > From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of Robert > Adamson via cctalk > Sent: 25 October 2017 20:56 > To: cctech at classiccmp.org > Subject: Digression - Ah Yes!! The PDP-10 > > Beginning of the 70's I was using a pdp-10 at TSL (Time Sharing Limited, UK) > over a phone line writing logic simulation software in Fortran. Remember it > fondly, especially the number of times I needed to redial in and try to > reconnect to my session. Still smell the teletype. Cost about ?10 for the 20 > seconds cpu-time or so just to compile the program!!! > I used to use the DECSYSTEM-20 from a Teletype (until they got replaced by VDUs). That is why I really wanted a nice Model 33 ASR, which I now have. I sometimes connect it up to SIMH running TOPS-20 to relive the happiest part of my school days. > Roll on a few years and I was actually at the console of a 10 at Smiths doing IC > layout graphics interactively on their Lady Jane suite. What a great single-user > machine! > > (and I still remember my username and password from TSL, typed it so often it > burned in). >

8 years, 10 months

Cyclops page (Popular Electronics and Cromemco)

by wh.sudbrink＠verizon.net

Hi, In case anyone is interested, I have finally cobbled together a web page that documents the construction of the Popular Electronics Cyclops camera that I exhibited at the 2016 VCF East. It also documents my work to produce a Cromemco S-100 Cyclops that I hope to exhibit at the 2018 VCF East. The page is here: http://wsudbrink.dyndns.org:8080/cyclops/index.html The Cromemco S-100 Cyclops starts down the page a bit. Bill S. --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus

8 years, 10 months

Cleaning and Restoring a Badly Corroded PSU

by shadoooo＠gmail.com

Hello, the vertical heat sinks for the TO220 with this design are fairly common, I saw them many times on various boards. However, as they are simply aluminum parts, you can clean them for sure. After removing the screw, you could try simply with an hard brush. If badly corroded, remove the bubbles of oxide with a thin sanding paper, then you could restore the opaque aspect submerging for few seconds in caustic sodium solution. Be aware to protect eyes and skin! Replace the RIFA X2 capacitor!!!! Andrea

8 years, 10 months

Fujitsu M2235S

by pb＠pbcl.net

Anybody familiar with the internals of these disks? I have one here which seems to have the positioner stuck at track zero. I'm not sure whether it's likely to be just a bit sticky and in need of some assistance or whether there is some sort of latch involved, and I am a bit reluctant to just pull the lid off the chamber to find out. Thanks Phil

8 years, 10 months

HP 2640S terminal for sale in closed Facebook group in Sweden.

by mattislind＠gmail.com

https://scontent-arn2-1.xx.fbcdn.net/v/t31.0-8/s720x720/22713265_1015612717… I am not the seller. It looks like it is working. The seller confirms that there are some screen mold. If there is anyone that is interested I can get you in contact with the seller. /Mattis

8 years, 10 months

HP 21mx/whatever processor works with doublesided key... i forgot model#

by COURYHOUSE＠aol.com

IT RUNS MEMORY RESIDENT LOADED FROM PAPER TAPE? ED# In a message dated 10/20/2017 7:37:48 A.M. US Mountain Standard Time, jwest at classiccmp.org writes: "Forth-like" system that is well developed/flushedout. So in addition to BASIC, you get oh-so-many-wonderful-things. I very highly recommend that anyone messing with 21mx/1000 systems take a good look at HP-IPL/OS.

8 years, 10 months

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