Re: UNIBUS extension card/cable sets Was: Looking for info on National Semiconductor RAM board (VAX 11/730)

On 6/22/15 8:51 AM, Alan Perry wrote: On another topic, we had discussed me going through my B1000 stuff and Burroughs contacts to assist the buyer of that system that you facilitated. Unfortunately, all that I have come up with are dead ends. I found additional material, but is all pretty

cctech cctalk mail filtering algorithm

I subscribe to both lists. From examining the mail headers, here is a mail filtering algorithm that seems to deal with duplicate posts showing up from the other group. Create a cctalk and cctech saved mail folder in this order: put msgs with To header of either cctalk or classiccmp into cctalk

Re: Pertec Tape Drive Interface Musings

On 6/10/15 8:40 AM, Dennis Boone wrote: Using dd to read tapes to disk discards the block size information. And that is precisely why I'm thinking of an ad-hoc interface rather than just plugging a SCSI drive into a UNIX box. It's eminently possible to image tapes sanely on a unix

Re: Pertec Tape Drive Interface Musings

On 6/10/15 9:12 AM, Mark J. Blair wrote: Ok, now three more questions come to mind: 1) Is it ever acceptable to mix densities on a single tape? I'm not sure that my Kennedy drive will even allow that, but I don't know if that is universal. It happens. Len Shustek's copy of APL/360 has

Re: Coating on older DEC slides

On 6/13/15 8:20 AM, Noel Chiappa wrote: what's the grey coating on them molybdenum

Re: Writing 8 floppies with SuperCard Pro

On 8/12/15 6:26 AM, Jay Jaeger wrote: The correspondent should probably check with the SuperCard Pro folks to make sure BOTH have been implemented. It is quite possible neither have. I know Philip ran into this with writing real media with his Diskferret. You can find a discussion about it

Re: E-mail Archives Was: Writing 8 floppies with SuperCard Pro

On 8/12/15 11:34 AM, Peter Coghlan wrote: The posting email addresses are only slightly disguised and could be harvested by spammers. Would it be possible to filter them a bit better before they are found? That horse is already out of the barn.

Re: Writing 8 floppies with SuperCard Pro

On 8/12/15 4:21 PM, Chuck Guzis wrote: I could have that reversed--and that SS media in the FDD-200 would cause an illegal media signal to be asserted, but it's odd either way. I'll have to check bitsavers when I get time. An FD-200 service manual would be nice to have a scan of. I don't

Re: Vintage Software Copyright

On 8/21/15 10:58 AM, Jay Jaeger wrote: And probably many many more. CHM has educational non-commercal agreements for the following: Apollo software from HP 68K based 9000 software from HP 21xx/1000 software from HP BTOS from Unisys Alto software from Xerox PARC And there are a string of

Re: Data I/O 29B

On 8/21/15 5:33 PM, Billy Pettit wrote: This is the poorest documentation I've ever seen on a piece of test equipment. The problem is they went through at least three generations of programming packs (individual device, unipak, unipack2/2A/2B) There is a text file (unipak2.txt) that I

Re: Sign magnitude, one's complement, two's complement

On 8/22/15 2:23 PM, Sean Conner wrote: For my own morbid curiosity, and because it came up on another mailing list I'm on [1], what machines commercially avaialble were sign magnitude and one's complement? A table of what computers had what numeric representation is one of those things

Re: 9-Track 1/2 Tape Drive Recommendations?

On 8/22/15 11:43 AM, Chuck Guzis wrote: Historically, the two are very different in application. If you've got a COBOL handy on your tape system, try running the 1974 Navy Audit Tests, once the set of benchmarks by which CODASYL compliance of a vendor's COBOL was judged. (Al, do you have a

FYI gmane cctalk group

just noticed this http://article.gmane.org/gmane.announce/23246/match=gmane+comp+hardware+vintage From: Mailing List Manager admin at gmane.org Subject: New group gmane.comp.hardware.vintage Newsgroups: gmane.announce Date: 2015-05-19 10:57:19 GMT (13 weeks, 6 days, 3 hours and 39 minutes ago)

Re: More on manuals plus rescue

On 8/18/15 9:12 AM, Ian McLaughlin wrote: inflating the egos of the archivers? If you think this is an ego trip for ME, you haven't dealt with Jason Scott much.

Re: More on manuals plus rescue

On 8/18/15 9:02 AM, geneb wrote: Bullshit. His mirror has zero effect on your original site or organization. Google disagrees. IA saturates the channel. Jason and IA are deliberately working to redirect all search traffic to IA from the original mirrors by constantly creating useless

Re: Analog to Digital Converter

On 8/15/15 6:41 PM, Jon Elson wrote: DDC made a number of hybrid ADCs, but I've never seen one that was 3 x 4! That's really big. Some of the Data Translation modules were that big. The normally had the block diagram / part number / and Data Translation silk screened on the top of them. ADAC

Re: More on manuals plus rescue

On 8/20/15 10:48 AM, Jason Scott wrote: I'll answer the questions about the Internet Archive's presenting of bitsavers when I calm down You're right. This is the last post I'm going to make on this. What happened has happened, I'm not happy the way IA has presented my work, but there isn't

Re: Pertec Tape Drive Interface Musings

On 8/3/15 6:41 PM, Jon Elson wrote: On 08/03/2015 03:40 PM, Al Kossow wrote: On 6/10/15 8:17 AM, Jon Elson wrote: I got a Pertec key to tape system surplus, and created a mostly software interface with very minimal hardware to read and write tapes on my S-100 Z-80 system. XL-40

Re: H960 blank panel clips

On 7/28/15 10:22 AM, Vincent Slyngstad wrote: What do folks think of the idea of thickening the shaft, terminating it in a hemisphere, but then cutting half-way down the result with a Y or X shaped cut? The cut would hopefully allow the result to flex and taper into the socket, providing

Re: Pertec Tape Drive Interface Musings

On 6/10/15 8:17 AM, Jon Elson wrote: I got a Pertec key to tape system surplus, and created a mostly software interface with very minimal hardware to read and write tapes on my S-100 Z-80 system. XL-40? Someone out here put some XL-40 parts and docs up on eBay this weekend, so I went

Re: SCSI Tape to TAP utility

On 8/8/15 9:16 PM, Chuck Guzis wrote: On 08/08/2015 08:14 PM, Jay Jaeger wrote: If anyone is interested, I have code for a Linux SCSI tape to AWSTAPE program, and a program that translates aws format to a raw byte stream. Not sure if I have one that translates to the SimH .tap format, though.

Re: Anyone have a Lockheed SUE?

On 8/14/15 11:54 AM, Brent Hilpert wrote: Are there any known customers/applications that used it? The BBN PLURIBUS IMP

Re: QBUS boards on eBay checp

On 8/14/15 10:45 AM, Brent Hilpert wrote: I was investigating - wondering whether it was plug-and-play to emulate a floppy interface Not enough logic on there to do that. It would have been a parallel interface to the bubble microcontroller

Re: Anyone have a Lockheed SUE?

On 8/14/15 6:20 PM, Al Kossow wrote: who appears to have made their own PDP-8 clone (Bob Rosenbloom has one) http://www.dvq.com/oldcomp/photos2/1k/cmc3.jpg oops, it's actually a Digital Computer Controls DCC-112

Re: SCSI Tape to TAP utility

On 8/14/15 7:28 PM, Chuck Guzis wrote: I've got the Windows 3.1 DDK in big box/piles of floppies version. But isn't the documentation (and the rest) part of the MSDN collection? yea, forgot about that. I have pretty much the complete set back to the early 90's.

Re: SCSI Tape to TAP utility

On 8/14/15 1:30 PM, Chuck Guzis wrote: Schizophrenic MS labeling. The C++ suite is 1.52c, but the compiler identifies itself as 8.00c. Crazy. yea.. There is a page on it on Wikipedia. Visual C++ came out after MS C 7.0 which was Windows 3.1 time frame. Just staring at all this because

Re: Anyone have a Lockheed SUE?

Hilpert wrote: On 2015-Aug-13, at 9:44 PM, Al Kossow wrote: I turned up some CPU info on it, which I uploaded to bitsavers/lockheed/sue Dumps of the programmable parts on the CPU would be nice if anyone has one. So this was interesting, another in the list of 60s/70s minis - hadn't heard

QIC-24 data analysis

This looks like fun.. http://mightyframe.blogspot.com/2015/08/qic-24-tape-data-block-format-decoding.html

Re: WANTED: HP 3000

On 8/15/15 5:35 AM, Steve Robertson wrote: Mike, I have the original 9-track system tapes (FOS), some spare NOS tapes have you imaged all of these tapes?

Re: msc 8009 docs

On 8/11/15 2:48 PM, Al Kossow wrote: I have it scanned. I'll have it up on bitsavers later tonight. It's uploaded to http://bitsavers.org/pdf/monolithicSystems it will take a couple of hours for the mirrors to pick it up. Did your board have a monitor/bootstrap ROM? If so, have you dumped

Re: msc 8009 docs

On 8/11/15 9:43 AM, joseph lang wrote: I'm trying to find docs for monolithic systems 8009 board. multibus I, z80, RAM ROM 2 serial, FDC. I see references to the board online but no actual docs. I'm looking for information (schematic) for the on board interrupt logic and bus interface. I've

Re: Booting an IBM MP 3000 S/390 System

On 8/6/15 6:16 AM, geneb wrote: One thing I don't understand - why can't the machine boot on its own? Why would IBM design a computer that required another computer just to boot it? Main processor microcode is in RAM. Putting microcode in ram and having a small computer load it was

Re: Wanted: Pertec Tape Controller

On 8/6/15 8:30 AM, Jay Jaeger wrote: I wouldn't mind one as well -- I have a handful of Pertec drives that it would be nice to be able to talk to. One that handles multiple interface speeds would be a plus. I suppose I could always design one ;) Formatted Pertec is a fairly simple

Re: Huge news! MARCH's 501c3

On 7/27/15 5:07 PM, couryhouse wrote: March can now compete with chm A little humor to lighten the burden of one's day.

Re: Two Rescues, Too much stuff to add to the project list...

On 7/21/15 12:10 PM, Earl Baugh wrote: Folks, 4x Otrona Attache's (and a huge plastic tub of original replacement parts... a first look indicates enough to build at least 1 more machine) Some of these have the 8086 accessory board that allows it to run MS-DOS (along with the CPU it normally

Re: Chromatics on ebay

On 7/25/15 8:24 AM, Al Kossow wrote: On 7/24/15 1:14 PM, pdaguytom . wrote: Back on TAS for just shy of a grand with free shipping. and someone bought it http://www.ebay.com/itm/281757114979 I've probably seen a dozen of them for sale in the 25+ years of watching this stuff, and what

Re: Chromatics on ebay

Just came across his original listing http://www.ebay.com/itm/281747887309 Disturbingly, the ICs are pulled out of their sockets On 7/25/15 8:27 AM, Al Kossow wrote: On 7/25/15 8:24 AM, Al Kossow wrote: On 7/24/15 1:14 PM, pdaguytom . wrote: Back on TAS for just shy of a grand with free

Chromatics on ebay

did anyone here get this? http://www.ebay.com/itm/281752359535 I am interested in a firmware dump, but not enough to drive to socal to get it.

Re: PDP 11 gear finally moved

On 7/22/15 7:43 AM, Tothwolf wrote: I can't say I've previously heard of that being done with automotive bulbs Then why are tail light bulbs sold in pairs? I just had one go, and replaced both sides.

Re: PDP-12 at the RICM

On 7/13/15 9:54 PM, Paul Anderson wrote: Hi Rich, Which one was possibility built for NSA? I missed the [1] footnote. Do you know more about the story? this is the source for the wikipedia entry on the PDP-3 http://www.decconnection.org/announcements.htm February 14,

Re: MC68451 datasheet wanted

I have it. I'll postprocess and upload it and email you the pinout page On 7/17/15 4:03 PM, Eric Smith wrote: Looking for an MC68451 datasheet (or scan). Most of the ones that turn up from the usual database sites are actually for the MC68450 DMA controller, which is entirely unrelated. The

Re: Multibus arbiter design

SUN I or II board? On 7/18/15 10:50 PM, Eric Smith wrote: Is anyone aware of any published detailed designs of Multibus arbitration circuitry

Beaglebone Black rev B sale

http://www.microcenter.com/product/430528/BeagleBone_Black# There aren't any stores in the SF Bay area, so this won't do me any good, and it isn't clear how many are available.

7030 simulation

Dug back in my mailbox and Richard Cornwell was looking at this circa 2008-11. There was some work by JAM to OCR the listings. I don't remember if it was greenbar, and if the background was causing problems. The color scanner I use now does color dropout but it would be a PITA to rescan

Re: Common Maxtor MFM drive failure mode -- any ideas?

On 10/24/15 10:15 AM, Josh Dersch wrote: there are a few ICs surface-mounted to the flat ribbon cable running to the head assembly. Those are the head preamps. You should be able to scope out if there is anything coming out of them.

Re: Common Maxtor MFM drive failure mode -- any ideas?

On 10/24/15 11:40 AM, tony duell wrote: Most likely those ICs are head switch/preamp devices and the servo head preamplifier. They are very likely to be custom. Silicon Systems was a common supplier in the 80s to mid-90s, which is why their Storage Products data books have been scanned.

Re: Common Maxtor MFM drive failure mode -- any ideas?

On 10/23/15 12:04 AM, Josh Dersch wrote: The 2190 does not, and it fails in precisely the same way I've personally seen three or four other Maxtor drives of the same era fail: It spins up fine, but when it goes to load the heads, it sounds like the voice coil positioner for the heads is

Re: Common Maxtor MFM drive failure mode -- any ideas?

On 10/23/15 1:33 AM, Joseph Lang wrote: the scream is the stepper motor trying to move with only one phase working. (Also a common drive failure.) Maxtor drives have a very distinctive (and loud) recal sound.

Re: Mac IIsi - SoG?

On 10/27/15 4:42 PM, Jules Richardson wrote: I don't know if it's just some lowly service processor nope, just the 68030.

Re: Mac IIsi - SoG?

On 10/26/15 8:30 PM, Jules Richardson wrote: I've got a system here which makes encouraging startup noises, but isn't outputting any video to a VGA screen (adapter cable OK with my other Macs). The si and cx/ci are old enough that it doesn't support VGA timing.

Re: Mac IIsi - SoG?

On 10/27/15 7:10 PM, Jules Richardson wrote: On 10/27/2015 08:36 PM, Al Kossow wrote: On 10/26/15 8:30 PM, Jules Richardson wrote: I've got a system here which makes encouraging startup noises, but isn't outputting any video to a VGA screen (adapter cable OK with my other Macs). The si

Re: Common Maxtor MFM drive failure mode -- any ideas?

On 10/23/15 12:39 PM, Josh Dersch wrote: I don't suppose anyone has a service manual for these things so I know what stuff to probe? (Nothing on Bitsavers and a casual Google search turns up nothing of interest.) Service manuals/schematics/ASIC info is EXTREMELY difficult to get for anything

Re: WD9000 Pascal microengine schematics available

On 11/9/15 6:04 AM, Brad Parker wrote: I was wondering about software. Is anyone planning to turn those schematics into verilog? Help would be nice reverse-engineering the chipset. I also picked up some of the Russian versions of the instruction decode chip.

Re: WD9000 Pascal microengine schematics available

On 11/10/15 2:00 AM, GerardCJAT wrote: Help would be nice reverse-engineering the chipset. I also picked up some of the Russian versions of the >instruction decode chip. Any idea how one can do it ??? The same way the other NMOS devices like the 6502 have been done. Mapping the photos

Re: WD9000 Pascal microengine schematics available

On 11/10/15 3:47 PM, Brad Parker wrote: but what is special about the HP 165xx chip which Al referenced? Variations of that ASIC are the core of HP's logic logic analyzers for a LONG time (at least while they were using 68K processors). One of my back burner projects has been to understand

Re: WD9000 Pascal microengine schematics available

On 11/10/15 3:56 PM, Brad Parker wrote: fyi: from the 6502 faq: /* How do you turn bitmaps into polygons?/ We draw them in our custom Python app. We spent about two months looking at automatic vectorization and using the bitmaps to create polygon fragments, but neither of these was better

Re: MAINDEC-11-DZQKC-E-D listing posted (Re: Deciphering PDP-11/05 ZQKC (Instruction Exerciser) MAINDEC failures...)

On 11/10/15 2:10 PM, Jay Jaeger wrote: A PDF is there as well as a zip file containing the original .tif files as Al Kossow prefers for submissions. (Al: Hint, Hint ;) ). Thanks! Just send me an email as you add things, and I will pick them up.

Re: x86/DOS system backup via rs232?

On 11/12/15 4:00 PM, Mouse wrote: However, I _think_ some old Sun and MicroVAX machines play in that space; I've seen Qbus hardware that talks to drives with card-edge connectors and I've seen SCSI-to-cardedge interfaces on Suns of Sun-3/260 vintage. I don't know the details of ST506, ESDI,

Re: To Al Kossow at bitsavers

On 11/14/15 5:46 PM, Johnny Billquist wrote: Another thing that I don't know is if XX2247 would possibly be required to pay a fee to HP for each license sold. It might be, which would make it hard to even give licenses for binary distributions tricky. That is the crux of the problem. While

Re: Could someone make the list do the [cctalk] thing in the subject line?

On 11/17/15 7:54 AM, et...@757.org wrote: Hello, By any chance could someone configure the mailing list to add [cctalk] or [cc] or [cct] into the beginning of the subject line? If you do this, please do the same for cctech, and make sure messages go out from the correct source on

Re: PDP 8E Panel Paint Chipping - How to seal edges

On 11/9/15 3:04 PM, rod wrote: 2. Screen Print first holes second. That was clearly the case on the panel that I sent scans of to you and I mentioned that they had milled off some of the white lines around the cutouts for the paddle switches.

Re: VCF-Berlin, 2015

are? They look to be PDP-10 {something}, given what appear to be two rows of 36 lights on the bottom (although they are hard to see clearly), but I couldn't find a panel like that in my PDP-10 manual. I don't have time to go down this rathole right now. If you are sure they are off a 10,

Re: VCF-Berlin, 2015

On 11/5/15 4:51 AM, Vincent Slyngstad wrote: The tags say DEC PDP-10 - tape controller, 1973 retrocmp.com, c-c-g.de They are both disk controller panels. The one marked tape controller has "sector word count" in the upper right

Re: WTB: Unix/Solaris Adobe FrameMaker 8

On 11/7/15 4:45 PM, Kevin Parker wrote: Try contacting Weird Stuff Most of the boxed software goes out on the floor or in the 'free' box outside the store. Lyle might see it when it comes in, though generally they don't sort used software or books, they just give it to retail.

Re: Front Panels - Thoughts

On 10/30/15 11:32 PM, rod wrote: What about a front panel with lights and switches for systems that never had one and could have done with one? Which computer would you nominate? Motorola 68030

Re: youtube video of a runnning XDS Sigma mainframe with lots of nice peripherals

On 11/2/15 2:15 PM, Rich Alderson wrote: Not just running condition. 100,000 pounds of gear, including the 9, 6, and a 7 that had been retired in the 90s, spares for all of them, the 8 running disk drives and 4 running tape drives, along with about 20 more disk drives (the older 50MB hydraulic

Re: IBM System/32 available

On 11/5/15 3:19 PM, Mike Ross wrote: That's the guy I've been talking to. Pissed he's stealing pics from my site. Can someone post the URL or thread where he's using them? http://www.vintage-computer.com/vcforum/showthread.php?36875-Molecular-Computers-board/page3

Re: WD9000 Pascal microengine schematics available

On 11/5/15 3:55 PM, Al Kossow wrote: On 11/5/15 10:40 AM, Jos Dreesen wrote: And then around 100 / 150 8" floppies to image when it rains it pours.. http://www.ebay.com/itm/311470113149 Eric Smith and I have been looking for these for a long time. They are BASF floppies, t

Re: WD9000 Pascal microengine schematics available

On 11/5/15 10:40 AM, Jos Dreesen wrote: And then around 100 / 150 8" floppies to image when it rains it pours.. http://www.ebay.com/itm/311470113149 Eric Smith and I have been looking for these for a long time. They are BASF floppies, though.

Re: Front Panels - Thoughts

On 10/30/15 11:32 PM, rod wrote: Which computer would you nominate? here is the weirdest DEC panel I have ever come across http://bitsavers.org/mysteries/mysteryPanel_Nov74.jpg that I spotted in a lot of DEC panels that were on display at CHM in 2001 It is labeled "Special Order PDP/15

Re: HP 1663A Logic Analyzer keyboard

On 10/14/15 3:55 PM, Josh Dersch wrote: I have one sitting in a drawer at home, I can crack it open tonight if anyone's curious what's inside ;). Did that a while ago, and they are passive. They are designed to work with a PA-RISC workstation that can deal with either kind of keyboard on the

Re: Oddball floppies for trade - 8", HS (outer edge), weird cutout

On 10/18/15 6:00 PM, Chuck Guzis wrote: it's truly amazing that Memorex still exists--as a brand of Imation. Thank Ella Fitzgerald "Is it live, or is it Memorex" http://www.totalmedia.com/content/trivia-and-tips/maxells-chair-man-hell-blow-you-away-part-1.html

Re: Has anyone hear of the Computer History Archives Project?

On 10/20/15 11:35 AM, Christian Liendo wrote: I found a channel that's about a Month old, but no real information as to who they are. Computer History Archives Educational Vintage Computer Films I think it is a guy in Sacramento. I remember buying a CD of the 1050 film off ebay years ago

Re: Symbolics MCD-405 tape drive / Georgens Industries

On 10/8/15 11:15 AM, Al Kossow wrote: Does anyone have a loose 3M/Georgens MCD-405 tape drive they could take board pictures and firmware dumps from, or any of the other MCD-40 series tape drives? I'm trying to figure out how similar it is to the one in the Apple 40mb tape drive. looks like

Re: Symbolics MCD-405 tape drive / Georgens Industries

On 10/9/15 9:32 PM, Josh Dersch wrote: On 10/8/15 3:53 PM, Josh Dersch wrote: On Thu, Oct 8, 2015 at 11:15 AM, Al Kossow <a...@bitsavers.org <mailto:a...@bitsavers.org>> wrote: Does anyone have a loose 3M/Georgens MCD-405 tape drive they could take board pictures

Re: Burroughs Distribution Box

On 10/8/15 4:22 PM, Kyle Owen wrote: Any idea what this might go to? Someone suggested a B1700, but wasn't exactly sure. probably, since it was made in Goleta.

Re: blog entry

On 10/11/15 6:13 PM, Tony wrote: I also included about 30 pictures. Any message with attachments is bounced on this mailing list.

Re: Looking for RX01/02 rack slides

On 10/6/15 11:14 AM, Ben Sinclair wrote: I actually need some slides for my RL02... Are these the same type? Nope. DIGITAL designed their own chassis slides after the 11/34 11/44, RLxx and everything after were custom.

Symbolics MCD-405 tape drive / Georgens Industries

Does anyone have a loose 3M/Georgens MCD-405 tape drive they could take board pictures and firmware dumps from, or any of the other MCD-40 series tape drives? I'm trying to figure out how similar it is to the one in the Apple 40mb tape drive. I was asked about recovering some tapes from a

Re: MFM Emulator

On 10/8/15 11:18 AM, Al Kossow wrote: On 10/8/15 10:07 AM, Ian Finder wrote: If Al decides these sorts of images belong on bitsavers, I'll go on a full-on imaging spree and work to improve my information hygiene. yes, that is the plan. I received one this week as well that I was going

Re: MFM Emulator

On 10/8/15 10:07 AM, Ian Finder wrote: If Al decides these sorts of images belong on bitsavers, I'll go on a full-on imaging spree and work to improve my information hygiene. yes, that is the plan. I received one this week as well that I was going to put into an 1186 to make some

Re: MFM Emulator

On 10/8/15 11:38 AM, Ian Finder wrote: We do not intend to overlap with a big, professional museum like CHM or LCM. Rather think of this as a kind of a maker-space for old systems; There is a lot of interest in Seattle- largely people from the software industry- who would love to code

Re: Could someone make the list do the [cctalk] thing in the subject line?

On 11/17/15 11:46 AM, Eric Christopherson wrote: What gets duplicated? Are you subscribed to both -talk and -tech at one time? Yes, they were two separate lists at one point, then someone decided to start forwarding messages between the two, and other people started posting replies to the

Re: TK50/TK70 Info

On 8/28/15 12:46 AM, Mark J. Blair wrote: leave the tapes in my truck for a week to bake them? :) not enough airflow

Re: DEC 9 Track Tapes (was Re: Applikon Workstation?)

On 8/29/15 8:57 AM, Al Kossow wrote: I've processed over a thousand tapes in the past ten years, and their condition is not improving with time. Chuck has mentioned 3M Black Watch being bad, and I've started to see that now too, which wasn't the case in the past. There was a question about

Re: Data General Projects

On 9/1/15 5:50 PM, Jay West wrote: At the least, I know I don't want/need the large FPS (Floating Point Systems model 100R) box. Anyone have interest in that part? It is the transform processor from a GE CAT scanner. I was just getting around to scanning the drawings for it.

Re: Possible road trip....Illnois, Canada, Maine and back

On 9/3/15 9:58 PM, Paul Anderson wrote: I'm looking into a road trip from Champaign to Maine via Indy, Detroit, Windsor, Niagra Falls, Buffalo or 1000 Islands, Syracuse to Boston area, and up to Maine. Not sure about the return Route. I have talked to a few list members about dropping

Keys resurfaces

Saw this in AFC Another water damaged collection heading to the landfill -- Subject: Houston (and everywhere else), we have ... an opportunity From: hlctmi...@gmail.com Injection-Date: Thu, 03 Sep 2015 15:37:06 + My name is John Keys, and I incorporated the Houston Computer Museum in May=

Re: seeking Burroughs B6700 manuals and software

On Sep 5, 2015, at 2:23 AM, Nigel Williams wrote: We were amazingly lucky with the B5500 to have so much of the critical documentation (thanks Bitsavers!) Thank Jim Haynes for saving these from UC-Santa Cruz's machines and donating them to CHM in 1998.

Re: Tu10 pdp11

On 9/5/15 8:40 AM, william degnan wrote: I surprisingly found little commentary or threads about the TU10 / TM11, other than DEC docs. I guess these are not super common They were common. I worked on a bunch of them. Expect the vacuum sensors to be bad in the columns. I think Guy still has

Re: Control Data ad: Omega 480 "370 compatible alternative" on eBay

On 9/6/15 7:54 PM, Mark Linimon wrote: Does anyone have any idea if this was a real product there are a couple of manuals for it on bitsavers

Re: Interlisp-D (Medley) "display font" disks for the 1186?

On 9/6/15 2:18 PM, Josh Dersch wrote: Lots of other disks to look through but it's a pain to get them written out; one of those HxC floppy drive emulators is looking rather nice right now :). you might want to see if http://bitsavers.org/bits/Xerox/8010/extractXeroxFloppy.zip can be

Re: 'New' PDP-11 prints

On 9/7/15 5:53 AM, Noel Chiappa wrote: So I have started such a registry. Alan Frisbie has been scanning tons of stuff this past year. I expect that many missing schematics will surface when that is made available.

KV-S3065CW scanners

http://www.ebay.com/itm/201392632552 this is a good deal if the paper path isn't scratched up in them. the CW model has a 11" width feed and can scan a sheet 6 feet long. these are the ones I've been using for 5+ years just don't need any more right now

Re: no, not retrobrite

On 9/4/15 4:10 PM, Al Kossow wrote: I didn't know how the things worked, so I looked it up http://dailyapple.blogspot.com/2009/01/apple-367-magic-eraser.html and here is a US seller for 100 of 'em at $7.50 http://www.ebay.com/itm/261997395134

Re: Interlisp-D (Medley) "display font" disks for the 1186?

On 9/5/15 11:10 PM, Josh Dersch wrote: Anyone happen to have these floppies and/or images of them? I have several moving boxes of 5" floppies I got from Envos when the left Redwood City I'll see what's there. The display fonts should be common across all the D machine software platforms.

Re: Tu10 pdp11

On 9/6/15 6:12 AM, Johnny Billquist wrote: I have played a little with KA-10 and KI-10. And yes, there are similarities. KA is built out of R/S/B series negative logic modules, which have single-sided edge connectors. KI was built with TTL (M series postive logic) as was the PDP-8I/L/E,

Re: no, not retrobrite

On 9/4/15 3:30 PM, Jay West wrote: No, there's no retrobrite involved. Just a normal spray on household cleaner, followed by Magic Eraser and a lot of elbow grease. Yep, Magic Eraser is a wonderful thing. I didn't know how the things worked, so I looked it up

Re: 21MX proms (per request)

On 9/7/15 8:34 AM, Alexandre Souza wrote: sometimes you gotta use flash devices that are WAY faster than common EPROMs... and sometimes that won't work, because the hold time of fast devices is too short.

Re: Control Data 160

On 9/9/15 7:08 AM, Al Kossow wrote: The Blue Cube (Satellite Control Center) had a bunch of them as "Bird Buffers" Likely in Sunnyvale in support of that. http://bitsavers.org/pdf/sdc/scf/TM-1146_Augmented_Satellite_Control_Facility_System_Description_Apr63.pdf is an early d

  1   2   3   4   5   6   7   8   9   10   >