Re: scrounging at recyclers

+1 with Marc. Sounds like a 21MX of some flavor. It will have two prominent card-edge connectors side-by-side around mid-board that connect to memory and I/O busses that run "up" from the PCB-face. On Sun, Nov 8, 2015 at 3:21 PM, Marc Verdiell wrote: > > Cindy Croxton wrote > >This week I pass

RE: flash (or ide) storage for unibus 11?

As Tom Lehrer not-so-delicately put it "more, more, more! I'm still not satisfied ..." :->. My thanks to you and Bridgham (who has a second name, perhaps)! -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Noel Chiappa Sent: Monday, November 23, 2015 6:4

RE: List vs. community size

Alas: http://i.imgur.com/qhnK1JA.jpg https://www.reddit.com/r/retrobattlestations/comments/3i1rk5/turned_it_into_a_time_server_and_binary_clock/ It's the binary clock that really seals-the-deal :-<. -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Ia

RE: Panel Pics

Is there a URL for your panel picture gallery, Rod? -

IBM Selectric-based Terminals

> - intention was to rip all this out and convert it to a full I/O serial > terminal, using an Arduino-based setup > that Lawrence Wilkinson has already built and tested: > https://www.flickr.com/photos/ljw/sets/72157632841492802/with/9201494189/ Looks very nice! Is there documentation f

The Structure of SYSTEM/360 (Blaauw & Brooks, et al.)

This was the five-part seminal description of the S/360, published in the IBM Systems Journal, Volume 3, Number 2. I've very much like to read all five parts. Does anyone have a copy that might be shared? Thank you, paul

RE: The Structure of SYSTEM/360 (Blaauw & Brooks, et al.)

uctures%20Readings%20and%20Examples%201971.pdf Otherwise prepare to be confronted by an IEEE pay-wall :-<. About $30 a part . From: Paul Birkel [mailto:pbir...@gmail.com] Sent: Wednesday, December 16, 2015 12:58 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: The St

RE: disassembling Western Digital microcode (PDP-11, WD16, Pascal Microengine)

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Eric Smith Sent: Friday, December 25, 2015 3:57 AM To: General Discussion: On-Topic and Off-Topic Posts Subject: disassembling Western Digital microcode (PDP-11, WD16, Pascal Microengine) The first cut at

RE: Building a PC - then & now

The Internet Archive Wayback Machine is our friend! https://web.archive.org/web/20100220165315/http://static.cray-cyber.org/Hardware/MUNIAC.pdf https://web.archive.org/web/20100220165315/http://static.cray-cyber.org/Hardware/PaperMUNIAC.pdf -Original Message- From: cctalk [mailto:cctalk

RE: BC11A paddle boards

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Noel Chiappa Sent: Wednesday, January 27, 2016 9:08 AM To: cctalk@classiccmp.org Cc: j...@mercury.lcs.mit.edu Subject: Re: BC11A paddle boards > From: Guy Sotomayor > I was originally t

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

Which has always struck me as a bit odd, since the PDP-11 family was designed to be just that, a family. So you'd think that "marketing" would have kept that in mind when designing the first front panel label ... -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Be

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

:cctalk-boun...@classiccmp.org] On Behalf Of Pontus Pihlgren Sent: Monday, February 22, 2016 3:27 AM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: PDP-11/20 vd one that just says pdp 11 what are the date differences?? OEM? On Mon, Feb 22, 2016 at 03:25:36AM -0500, Paul Birkel wr

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

pdp 11 what are the date differences?? OEM? On Mon, 22 Feb 2016, Paul Birkel wrote: > My PDP-11 is labeled as "S-386" and dated 9/23/70, which I guess makes > it fairly early in the production run (but I do wonder what the > initial manufacturing rate was given the relative ris

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

rg] On Behalf Of > Christian Corti > Sent: Monday, February 22, 2016 4:32 AM > To: General Discussion: On-Topic and Off-Topic Posts > Subject: RE: PDP-11/20 vd one that just says pdp 11 what are the date > differences?? OEM? > > On Mon, 22 Feb 2016, Paul Birkel wrote: > > My

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

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Noel Chiappa Sent: Monday, February 22, 2016 3:42 PM To: cctalk@classiccmp.org Cc: j...@mercury.lcs.mit.edu Subject: Re: PDP-11/20 vd one that just says pdp 11 what are the date differences?? OEM? PS: Amusi

RE: I want a front panel for my lsi 11 w/switches and lights

Sounds like PDP11GUI ... with the glass-interface supplemented by a mechanical one? -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Noel Chiappa Sent: Monday, March 07, 2016 7:41 AM To: cctalk@classiccmp.org Cc: j...@mercury.lcs.mit.edu Subject: Re: I wa

RE: PDP-11/05-NC with M9301?

11/70: M9301-YC -- E-F Slot #1. It's specially wired like everything else in Slot #1 through Slot #39. SPC doesn't start until Slot #40. M9302 goes in Row A-B Slot #44. KW11 (clock) goes adjacent in Row D Slot #1. Row C Slot #1 is empty. Rows A-B Slot #1 take the FP & CP maintenance module

RE: Code listings for the I4004 or I4040

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Brent Hilpert Sent: Friday, March 18, 2016 5:41 AM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: Code listings for the I4004 or I4040 . I had a failed 4201 chip (clock gen), it would

UA11 "Unibus Analyzer" Wanted

I didn't discover this wonderful project from Guy until *after* he had moved. And while he _may_ have a few boards left, they're still buried somewhere in his amazing collection of "materiel" :->. As I need to learn/work my way through various Unibus systems/scenarios ... starting with self-educa

Re: Looking for PDF files of The Computer Journal

https://archive.org/details/the-computer-journal ? On Sun, Jun 7, 2015 at 12:39 AM, Kip Koon wrote: > Hi Everyone, > > I am looking for pdf files for the Computer Journal. There is a series of > articles on designing microprocessors I'd like to someday read about. Any > ideas where they may be

Re: PDP-8/e front panels.

+1 on cool. I'd like to see a couple for an 11/40, please. Also an 8/I would definitely be useful. On Sun, Jun 7, 2015 at 9:13 AM, Noel Chiappa wrote: > > From: Rod Smallwood > > > I have recently produced a number of high quality custom PDP8/e front > > panels. They are full size

Re: Front Panel Tech Note No3

IMO the 8/I (assuming that you're not heading back to the straight-8 :->). On Sat, Jun 13, 2015 at 4:17 PM, Rod Smallwood < rodsmallwoo...@btinternet.com> wrote: > PDP-8/e Panel Variants > > I now have a list of _possible_ (not actual) variations. > Its not quite the same as what I had before. >

Re: organizing a trip to Cuba

I wonder to what Soviet equipment they would have upgraded? On Mon, Jun 22, 2015 at 5:06 PM, william degnan wrote: > > http://millennialmainframer.com/2014/12/ibm-still-waiting-cuba-pay-mainframes/ > > Who's up for it? > > B >

Re: Front Panel Update A and B panels

Can anyone recommend suitable rotary switches for either the A (vertical) or B (angled) configuration? On Tue, Jun 23, 2015 at 7:16 PM, Rod Smallwood < rodsmallwoo...@btinternet.com> wrote: > Hi Guys > I am off to Friedrichshafen for a few days and will be back > on 1-JUL-2015. > >

Re: organizing a trip to Cuba

I just love this translation: "*But me, naturally, anybody especially didn't ask.*" Been there; still am ... On Wed, Jun 24, 2015 at 2:45 AM, Holm Tiffe wrote: > Johnny Billquist wrote: > > > On 2015-06-24 02:06, Mark J. Blair wrote: > > > > > >>On Jun 23, 2015, at 09:32 , Holm Tiffe wrote: >

Re: PDP 11 - how to lock heads in a rx01 and rx02 - seeking advice

Note that the bracket should already be there; just loosen the screw, rotate the plate 90 degrees to block the positioner-mount, and then tighten the screw again. I *think* that the bottom drive-retention screws are interchangeable with screws on the back-panel, and a typical approach is to remove

RE: bit slice chips (was Re: Harris H800 Computer)

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Jecel Assumpcao Jr. Sent: Friday, April 22, 2016 10:54 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: bit slice chips (was Re: Harris H800 Computer) Eric Smith mentioned: > [2901 A, B, and

RE: Vaisala SPT11A reader (was Data General Nova Star Trek)

Thanks Erik; very helpful. For reference, mine also shares the same firmware revision. Can you share your source code as well? -Original Message- From: Erik Baigar [mailto:e...@baigar.de] Sent: Tuesday, April 26, 2016 5:33 AM To: Paul Birkel Cc: jwsm...@jwsss.com; cctalk@classiccmp.org

RE: Calling all typographers

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Christian Gauger-Cosgrove Sent: Thursday, April 28, 2016 10:07 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: Calling all typographers On 28 April 2016 at 13:05, Jon Elson wrote: > T

RE: Vaisala SPT11A reader (was Data General Nova Star Trek)

You bet. Thank you and good health! -Original Message- From: Erik Baigar [mailto:e...@baigar.de] Sent: Saturday, April 30, 2016 9:34 AM To: Paul Birkel Cc: jwsm...@jwsss.com; cctalk@classiccmp.org; sherman...@att.net Subject: RE: Vaisala SPT11A reader (was Data General Nova Star Trek

RE: TU58 yet one more time.

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Al Kossow Sent: Sunday, May 29, 2016 3:00 PM To: cctalk@classiccmp.org Subject: Re: TU58 yet one more time. On 5/29/16 11:34 AM, Mark J. Blair wrote: > My first attempt to use silicone tubing to repair my T

RE: Mystery HP 1000 board

See: http://www.hpl.hp.com/hpjournal/pdfs/IssuePDFs/1977-10.pdf Figure 4 Shows some of those other parts as well in the block diagram. Uses a "HP 21MX K-Series Computer". Model 5420A Digital Signal Analyzer. -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On B

RE: DL11 M7800

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Noel Chiappa Sent: Friday, June 17, 2016 5:57 AM To: cctalk@classiccmp.org Cc: j...@mercury.lcs.mit.edu Subject: Re: DL11 M7800 > William Degnan > Update: I now have .. a working .. DL11 (M7800)

RE: FOCAL-65 for the 6502?

+1 from here; I'm not aware of it being available elsewhere online :-<. Thank you for making this generous offer! -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Nigel Williams Sent: Wednesday, June 29, 2016 3:20 AM To: General Discussion: On-Topic and

RE: FOCAL-65 for the 6502?

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of william degnan Sent: Wednesday, June 29, 2016 6:50 AM To: General Discussion: On-Topic and Off-Topic Posts Subject: RE: FOCAL-65 for the 6502? On Jun 29, 2016 6:10 AM, "Paul Birkel" wrote: &

Connectors: Both contact surfaces must also be the same material?

Stated Tothwolf tothw...@concentric.net: "Both contact surfaces must also be the same material or tin oxide will form on the surface of the gold plating and cause a major headache. This was a serious problem with 486 and earlier Pentium PCs with 30 and 72 pin SIMMs and it led to a number of law

IBM 360/30 in verilog (was: How do they make Verilog code for unknown ICs?)

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Guy Sotomayor Jr Sent: Monday, June 20, 2016 4:04 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: How do they make Verilog code for unknown ICs? What you can do (and I’ve seen it done)

RE: Connectors: Both contact surfaces must also be the same material?

? On 07/10/2016 01:58 PM, Al Kossow wrote: > > On 7/10/16 1:14 AM, Paul Birkel wrote: > >> Almost every DEC System Unit ("backplane") that I've ever seen uses >> tinned-contacts, yet the Modules all use gold-plated fingers. >> > I'm not near one

RE: IBM 360/30 in verilog (was: How do they make Verilog code for unknown ICs?)

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Camiel Vanderhoeven Sent: Monday, July 11, 2016 4:31 AM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: IBM 360/30 in verilog (was: How do they make Verilog code for unknown ICs?) And I'

RE: Wanted: VT5x roll-around stand

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Ethan Dicks Sent: Tuesday, July 12, 2016 2:25 AM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: Wanted: VT5x roll-around stand On Mon, Jul 11, 2016 at 9:31 PM, B M wrote: > I have 3 sta

RE: IBM 360/30 in verilog

Principles of Operation, I believe. Example: http://bitsavers.informatik.uni-stuttgart.de/pdf/ibm/360/princOps/A22-6821-0 _360PrincOps.pdf -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Curious Marc Sent: Tuesday, July 12, 2016 5:04 AM To: General Dis

RE: SWTPC 6800

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Mark G Thomas Sent: Thursday, August 04, 2016 3:17 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: SWTPC 6800 Hi Brad, On Wed, Aug 03, 2016 at 10:58:44PM -0700, Brad H wrote: > >

RE: DEC Pro 350/380 Memory Cards - Interchangeability?

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Paul Koning Sent: Monday, August 29, 2016 1:10 PM To: r...@jarratt.me.uk Cc: General Discussion: On-Topic and Off-Topic Posts Subject: Re: DEC Pro 350/380 Memory Cards - Interchangeability? I have somewhere

RE: PDP 8/A H221A 8K word memory

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of jim stephens Sent: Wednesday, October 12, 2016 4:01 AM To: General Discussion: On-Topic and Off-Topic Posts Subject: PDP 8/A H221A 8K word memory I won't bother posting a link to the auction, but have a que

RE: Gould 32/77 (was: NWA auctions)

But then add the "Internet Fee" and Sales Tax (read the Terms and Conditions) for a ~26% mark-up from the closing price. So ~$5670. -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Brad H Sent: Thursday, October 13, 2016 1:07 PM To: 'General Discussion:

RE: PDP-11 RL02 disk emulation

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of jim stephens Sent: Monday, October 17, 2016 5:54 AM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: PDP-11 RL02 disk emulation On 10/17/2016 1:03 AM, Scott Baker wrote: > Hi, > > Has anyon

RE: MASSBUS disk emulator (Was: Unibus controller for MFM disks)

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Pontus Pihlgren Sent: Tuesday, October 18, 2016 1:58 AM To: General Discussion: On-Topic and Off-Topic Posts Cc: j...@mercury.lcs.mit.edu Subject: Re: MASSBUS disk emulator (Was: Unibus controller for MFM di

MOTD: It is amazing how many ways you can make mistakes with 32-bit instructions

Published in the National Computer Conference, 1976. Full quote: "He bought an RPC-4000 "at a graveyard-type disposal sale," and later noted, "My RPC is working but I can't get an assembly program more than two-thirds loaded. This produces lots of messages telling me my programs are bad" I sus

RE: ContrAlto V1.1 Released

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Josh Dersch Sent: Friday, October 28, 2016 2:13 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: RE: ContrAlto V1.1 Released OK, one more time with feeling, because apparently when I paste

RE: Rack-mounting a TU56

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Henk Gooijen Sent: Friday, December 16, 2016 3:03 PM To: cctalk@classiccmp.org Subject: RE: Rack-mounting a TU56 Van: Ethan Dicks Verzonden: vrijdag 16 december 2016 20:43 Aan:

EWD37

Priceless product review! (The infamous CADET, aka IBM 1620.) ROFL :->. http://www.cs.utexas.edu/users/EWD/transcriptions/EWD00xx/EWD37.html\ -

RE: PDP-11/24 CPU later version

Thanks for scanning this! No sign that Al has done-his-bit :-<. In the meantime is it possible to get an unlocked copy that I can OCR so that it's searchable? Should I infer that you purchased that $399 load of DEC modules? I debated, what with the J11 processor, but no FP-coprocessor and no docu

RE: PDP-11/24 CPU later version

>-Original Message- >From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Al Kossow >Sent: Saturday, February 18, 2017 12:50 PM >To: cctalk@classiccmp.org >Subject: Re: PDP-11/24 CPU later version > >PDF-A > >which is the reason it's not on bitsavers Thank you Al. It's not jus

RE: PDP-11/24 CPU later version

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Bob Rosenbloom Sent: Saturday, February 18, 2017 1:24 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: PDP-11/24 CPU later version On 2/18/2017 10:04 AM, Paul Birkel wrote

RE: PDF PDF Which is right and which is ... Was Re: PDP-11/24 CPU later version

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Chuck Guzis Sent: Saturday, February 18, 2017 4:04 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: PDF PDF Which is right and which is ... Was Re: PDP-11/24 CPU later version On 02/18/2

RE: PDP-11/24 CPU later version

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Bob Rosenbloom Sent: Saturday, February 18, 2017 1:37 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: PDP-11/24 CPU later version On 2/18/2017 10:29 AM, Paul Birkel wrote

RE: PDF PDF Which is right and which is ... Was Re: PDP-11/24 CPU later version

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Mouse Sent: Sunday, February 19, 2017 10:07 AM To: cctalk@classiccmp.org Subject: Re: PDF PDF Which is right and which is ... Was Re: PDP-11/24 CPU later version > - PDF/A is [...] > Those are all good ar

[cctalk] Seeking DEC BN25B-nn Optical Fiber Cable

This is a twin/duplex cable of varying length with 100/140 um "multimode" cores and SMA-906 connectors. SMA-906 connectors have the stepped center-pin, compared to the SMA-905 which is a simpler straight pin. It's used, for example, by the LAN Bridge 100. For additional information see pages 16

[cctalk] Re: Seeking DEC BN25B-nn Optical Fiber Cable

> From: pbir...@gmail.com > Sent: Sunday, November 6, 2022 2:50 AM > To: General Discussion: On-Topic and Off-Topic Posts > Subject: Seeking DEC BN25B-nn Optical Fiber Cable > > This is a twin/duplex cable of varying length with 100/140 um "multimode" cores and > SMA-906 connectors. SMA-906 conn

[cctalk] DEC DF03-AA Modem Documentation

The DEC DF02 (300 Baud) and DF03 (300/1200 Baud) modems appear to be singularly lacking in online documentation. In the case of the DF03 those would be: EK-ODF03-IP - DF03 Illustrated Parts Breakdown EK-ODF03-PS - DF03 Modem Pocket Service Guide EK-ODF03-UG - DF03 Modem Users Guide Similarly for

PDP-11/20 in Iowa (x3)

http://www.vcfed.org/forum/showthread.php?56897-Came-across-three-PDP-11-20- units-today Need some lovin'. Not near enough to here . -

RE: KDF 8189 processor board foobared (ebay warning)

-Original Message- From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of allison via cctech Sent: Sunday, May 21, 2017 8:38 AM To: cct...@classiccmp.org Subject: Re: KDF 8189 processor board foobared (ebay warning) On 05/20/2017 06:40 PM, jim stephens via cctech wrote: > > > On

RE: Kryoflux or Catweasle

>-Original Message- >From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of ben via cctech >Sent: Thursday, May 25, 2017 1:32 AM >To: cct...@classiccmp.org >Subject: Re: Kryoflux or Catweasle > >On 5/24/2017 7:19 PM, allison via cctech wrote: > >> I have a load of all of those...

DEC rack-mount AlphaServer 2100A

If there's anyone out there with a rack-mount DEC AlphaServer 2100A - the one with the underslung pair of power supplies -- I'd appreciate your help in determining the 15-pin control-cable configuration for J3. It may require examining the other end of the "power supply control cable assembly" P#1

DEC MINC in center Germany -- Mincbasic and RT11 disk

+1, please! -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of jim stephens via cctalk Sent: Wednesday, June 14, 2017 3:19 AM To: Jörg Hoppe via cctalk Subject: Re: DEC MINC in center Germany On 6/10/2017 1:29 AM, Jörg Hoppe via cctalk wrote: > I like t

RE: Front Panels - Follow up

How about adopting the "fallback" photorealistic approach that Oscar V. is using for the PiDP-8 panels? -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Rod Smallwood via cctalk Sent: Wednesday, June 14, 2017 2:43 AM To: General Discussion: On-Topic and

RE: Cleaning a board slightly oxydized ??

Vinegar = acetic acid -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Alexandre Souza via cctalk Sent: Monday, July 31, 2017 4:13 AM To: Christian Corti Cc: General Discussion: On-Topic and Off-Topic Posts Subject: Re: Cleaning a board slightly oxydized

RE: VT50 print set

Metric dimensions? Isn't that rather unusual for DEC? -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Mattis Lind via cctalk Sent: Friday, August 11, 2017 3:13 AM To: General Discussion: On-Topic and Off-Topic Posts Subject: VT50 print set I found a V

RE: VCF Midwest: 6502 Badges!

>-Original Message- >From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Vince >Mulhollon via cctalk >Sent: Monday, August 28, 2017 1:31 PM >To: General Discussion: On-Topic and Off-Topic Posts >Subject: Re: VCF Midwest: 6502 Badges! > >On Mon, Aug 28, 2017 at 10:01 AM, system

RE: Bridge Communication Unibus Ethernet board?

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Mattis Lind via cctalk Sent: Wednesday, August 30, 2017 3:59 AM To: Henk Gooijen; General Discussion: On-Topic and Off-Topic Posts Subject: Re: Bridge Communication Unibus Ethernet board? 2017-08-29 22:46

RE: IBM 3330 Drive

I'm afraid that I can't help. But I notice that in the upper-band of the glare there appears to be a lot of speckling of the oxide surface. Is this to be expected in a heavily-used disc-pack, or does it indicate surface damage -- and if so then what are the likely causes? Also, was it usual t

RE: RX02 Emulator

Check at: www.vcfed.org/forum/showthread.php?51918-Is-there-an-RX01-Emulator -Original Message- From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Douglas Taylor via cctech Sent: Friday, September 01, 2017 11:42 AM To: General Discussion: On-Topic Posts Subject: RX02 Emulat

RE: HP 7970E - interest to split?

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Anders Nelson via cctalk Sent: Monday, September 25, 2017 7:01 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: HP 7970E - interest to split? Hmmm, interesting. How does the 7970 compar

RE: HP 7970E - interest to split?

the data interface - can I just read and write bits at will or are there contingencies as someone mentioned before? =] On Tue, Sep 26, 2017 at 12:06 AM Paul Birkel wrote: > -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Anders > Nelson via

RE: Computing Pioneer Dies

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Noel Chiappa via cctalk Sent: Monday, November 13, 2017 5:00 PM To: cctalk@classiccmp.org Cc: j...@mercury.lcs.mit.edu Subject: Re: Computing Pioneer Dies > From: Brent Hilpert > What about that li

RE: Details about IBM's early 'scientific' computers

Wonderful document. Thank you IBM Customer Engineering! -Original Message- From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Camiel Vanderhoeven via cctech Sent: Tuesday, November 14, 2017 4:01 AM To: Noel Chiappa; cctech; cctalk@classiccmp.org Subject: Re: Details about IB

[cctalk] Ampex and the DG Compatible Market

Although I knew that Ampex was a supplier of Multibus non-volatile RAM boards (MC-8080 and MCM-8086) - Memory Products Division - I didn't realize that they had competed for a while in the DG-compatible market alongside companies like Digidyne, Fairchild, Bytronix, and SCI Systems (according to cou

[cctalk] Re: Ampex and the DG Compatible Market

the project as > the price of DRAMs fell and could populate a 16k RAM board within my > budget. It was for a ham radio repeater controller. > > Wow! I had almost forgotten that, and it was difficult to drag it > from the little grey cells! > > cheers, > > Nigel > >

Operation Codes

https://www.asc.ohio-state.edu/dunlap.3/humor/instruction.set.html ERS Erase Read-only Storage FPT Fire Photon Torpedoes GCAR Get Correct Answer Regardless XIO Execute Invalid Op code Among others! -

RE: [rescue] Sun2/120 SunOS 3.2 suntools movie (was: advise on Sun2 disk install)

-Original Message- From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of allison via cctech Sent: Thursday, December 06, 2018 9:13 AM To: cct...@classiccmp.org Subject: Re: [rescue] Sun2/120 SunOS 3.2 suntools movie (was: advise on Sun2 disk install) On 12/06/2018 07:28 AM, Li

RE: Opening RL02 disk pack

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Noel Chiappa via cctalk Sent: Friday, December 07, 2018 10:24 AM To: cctalk@classiccmp.org Cc: j...@mercury.lcs.mit.edu Subject: Re: Opening RL02 disk pack > From>: Christian Corti > I thought that

RE: Core memory emulator using non volatile ram.

Perhaps Cypress FM1808 (32Kx8). Obsolete, but available on eBay. SOP for a bit of extra challenge! -Original Message- From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Rod G8DGR via cctech Sent: Saturday, December 15, 2018 4:22 AM To: General Discussion: On-Topic and Off

RE: 8-Update

>-Original Message- >-From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Rod G8DGR >via cctalk >-Sent: Sunday, December 16, 2018 2:36 AM >-To: General Discussion: On-Topic and Off-Topic Posts >-Subject: 8-Update > >Sheesh!! >Well what a response. >This stems from my (so far

RE: Hayes Transet Manual and Software

>-Original Message- >From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Jason T via >cctalk >Sent: Monday, December 17, 2018 12:44 AM >To: General Discussion: On-Topic and Off-Topic Posts >Subject: Hayes Transet Manual and Software > >One of my few remaining Holy Grail items,

RE: 8-Update

>I have an .slt for the PDP-8/e lever >Rod Please publish/share? paul

Microcode, which is a no-go for modern designs

>-Original Message- >From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Carlo Pisani >via cctalk >Sent: Tuesday, January 01, 2019 5:35 PM >To: ben; General Discussion: On-Topic and Off-Topic Posts >Subject: Re: Motorola M88K books & user manuals (looking for) > >> I was never

RE: KD11-E/EA microcode flow diagrams

>-Original Message- >From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Fritz Mueller >via cctalk >Sent: Tuesday, January 08, 2019 1:43 PM >To: General Discussion: On-Topic and Off-Topic Posts >Subject: Re: KD11-E/EA microcode flow diagrams > >... I could really use a “USIC”

RE: PDP-11 Memory

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Bill Gunshannon via cctalk Sent: Wednesday, January 09, 2019 1:49 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: PDP-11 Memory ... M8067-LB M8067-LF M8067-LJ - Same problem. I can find

RE: Craigslist: RP05 drive cable in Indiana

"Audio consoles" hah! That's a DEC MASSBUS cable. Heavy ... -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Jason T via cctalk Sent: Wednesday, March 27, 2019 3:23 AM To: General Discussion: On-Topic and Off-Topic Posts Subject: Craigslist: RP05 drive

Control Console, but not PDP-10

The PDP-10 Control Console sold for $3,650.00. Amazing! Now consider a DSKY. Currently at $27,500.00. Auction estimate: $60,000+ Great provenance! “The DSKY that saved Apollo 14.” https://www.rrauction.com/bidtracker_detail.cfm?IN=5222 “Apollo 14 LM Simulator Computer Display and Ke

Control Console, but not PDP-10

The PDP-10 Control Console sold for $3,650.00. Amazing! Now consider a DSKY. Currently at $27,500.00. Auction estimate: $60,000+ Great provenance! “The DSKY that saved Apollo 14.” https://www.rrauction.com/bidtracker_detail.cfm?IN=5222 -

RE: Adding floppy drives to my PDP-11?

>-Original Message- >From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Glen Slick >via cctalk >Sent: Sunday, April 14, 2019 2:48 AM >To: General Discussion: On-Topic and Off-Topic Posts >Subject: Re: Adding floppy drives to my PDP-11? > >On Sat, Apr 13, 2019 at 3:07 PM Charl

HP 1000 A900 ("Magic") Questions

Aficionados; I'm interested in acquiring an HP1000 A900, in any form-factor. (http://www.hpmuseum.net/display_item.php?hw=594) Basic need would be a chassis/backplane/PS and minimal set of CPU/memory/HPIB-controller/terminal-IO PCA, however I'd be interested in simply acquiring a PCA-set an

RE: HP 1000 A900 ("Magic") Questions

>-Original Message- >From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Glen Slick >via cctech >Sent: Friday, May 10, 2019 1:34 PM >To: General Discussion: On-Topic Posts >Subject: Re: HP 1000 A900 ("Magic") Questions > >On Fri, May 10, 2019

RE: HP9816 PAL16L8

>-Original Message- >From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Chuck Guzis >via cctalk >Sent: Tuesday, June 11, 2019 12:19 AM >To: Tony Duell via cctalk >Subject: Re: HP9816 PAL16L8 > >On 6/10/19 8:44 PM, Tony Duell via cctalk wrote: > >> You can detect sequential lo

RE: What Makes a PDP-11/35 or 40 Tick?

>-Original Message- >From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Liam Proven >via cctalk >Sent: Tuesday, June 11, 2019 7:06 AM >To: Discussion: On-Topic and Off-Topic Posts >Subject: What Makes a PDP-11/35 or 40 Tick? > >Found on Hackernews but by our very own Seth Mor

RE: PDP 11/15

> -Original Message- > From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Paul Koning via cctech > Sent: Wednesday, June 19, 2019 1:59 PM > To: Bob Smith; General Discussion: On-Topic and Off-Topic Posts > Cc: Al Kossow > Subject: Re: PDP 11/15 > >... > 11/15 as a designation

RE: DEC Purchase Specifications, particularly 23-000A9-01

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Mark J. Blair via cctalk Sent: Tuesday, July 16, 2019 4:10 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: DEC Purchase Specifications, particularly 23-000A9-01 . If 70ns access time p

RE: Scanning question (Is destruction of old tech docs a moral crime?)

-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Guy Dunphy via cctalk Sent: Saturday, July 20, 2019 11:00 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: RE: Scanning question (Is destruction of old tech docs a moral crime?) I'm posting

RE: Sci-fi and science fiction [was Re: Scanning question (Is destruction of old tech docs a moral crime?)]

-Original Message- From: U'll Be King of the Stars [mailto:ullbek...@andrewnesbit.org] Sent: Sunday, July 21, 2019 3:36 AM To: Paul Birkel; General Discussion: On-Topic and Off-Topic Posts Subject: Sci-fi and science fiction [was Re: Scanning question (Is destruction of old tech d

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