Re: HISTORY OF COMPUTER DESIGN: THE MOST INNOVATIVE AND UNCONVENTIONAL PCS EVER MADE

On Mon, Apr 3, 2017 at 2:50 PM, Adrian Graham via cctalk < cctalk@classiccmp.org> wrote: > On 03/04/2017 11:19, "cctalk" wrote: > > > This series of articles focuses mainly on physical design, of cases > > and so on, but there are some technical details in the articles too. > > > > Note that this

Re: Info Needed: DATARAM DR-111 PDP-11 Unibus 16KW Core Memory

Semi OT: I have an Inforex RAM controller with a DataRAM core daughterboard here: http://www.vintagecomputer.net/inforex/ It's not UNIBUS, not sure what this went to, something from the earlier 70's I rec'con. Maybe someone here can ID it. Bill

Re: Another unknown frontpanel

On Mon, Apr 10, 2017 at 12:00 PM, Christian Corti via cctalk < cctalk@classiccmp.org> wrote: > Hi, > > I have another frontpanel, this one is from Plessey Peripheral Systems and > must come from a 16 bit system. It's only the board with LEDs and switches. > Does anyone know the system this panel c

Re: VCF East pictures

> > VCF East XII was held March 31-April 2. Around 500 people were there. > > Adam Michlin's pictures: http://ceos.io/vcf/east/ > > Dave Riley's pictures: > http://oscar.the-rileys.net/VCF%20East%20XII%20Photos/ > > Dan Roganti's pictures: http://www.rogtronics.net/blog/?page_id=730 > > Mike Loewen

Re: TRS-80 curiosity

On Wed, Apr 12, 2017 at 10:13 PM, Scott Kevill via cctalk < cctalk@classiccmp.org> wrote: > Descriptions are in French, but Google Translate works well enough. > > Model I Buffered EI Cable (40 to 40 pin): > http://prof-80.fr/carte-tandy-1700077-c/buffered-ei-cable > http://prof-80.fr/carte-tandy-

Re: WTB: BYT-8 Computer/Chassis

Yes, I should be here both days. Just let me know / text/call when to be attentive to your arrival. Bill On Thu, Apr 13, 2017 at 10:18 AM, Parent Allison via cctalk < cctalk@classiccmp.org> wrote: > > On Apr 13, 2017, at 9:06 AM, Systems Glitch via cctalk < > cctalk@classiccmp.org> wrote: > > >

Re: Pass on (Was: APL and descendants - was Re: If C is so evil why

On Apr 14, 2017 11:04 PM, "Fred Cisin via cctalk" wrote: >>> >>> have a cartridge for the APL on the VideoBrain. He considers it >>> more valuable than gold and won't let anyone look at it or >>> dump its contents. > > On Fri, 14 Apr 2017, Toby Thain via cctalk wrote: >> >> I never understood this

Re: WTB: DEC Rainbow Expansion Memory

> > > Rainbow Memory Extension Option Installation Guide:EK-PCMKE-IN > > …Two versions of the memory extension option are available: a 64 K byte > option (part number PC1XX-AA) and a 192K byte option (part number > PC1XX-AB). The memory option is installed in the J6 connector … > … Both v

Got a request for an image of CP/M for Morrow Disk Jockey

I got a request through my web site for a CP/M System Boot Disk for the Morrow Disk Jockey DMA Controller Board. Anyone have an image I could make to help this guy out? Thanks BIll

Re: Large Scale Systems Museum announcement

On Fri, Apr 21, 2017 at 3:44 PM, Dave McGuire via cctalk < cctalk@classiccmp.org> wrote: > > Most of you have heard of the Large Scale Systems Museum, a public > museum in the Pittsburgh area that is focused on minicomputers, > mainframes, and supercomputers. LSSM has been closed for renovation

Re: Large Scale Systems Museum announcement

Looking forward to new photos/video. I will try to get over there then. Bill

VCF SE Photos

Here are my photos from the VCF South East April 30/May 1. Roswell, GA hosted by Mims' Computer History Museum of America http://vintagecomputer.net/browse_thread.cfm?id=677

Re:VCF SE Photos

I will update the reference about the event sponsor etc. As far as the Robot pic goes, there are more photos of evan's exhibit, link at thr bottom. Bill Degnan twitter: billdeg vintagecomputer.net On May 4, 2017 1:20 AM, "Earl Baugh via cctalk" wrote: > > Date: Wed, 3 May 2017 08:03:19 -0400 >

Re: VCF SE Photos

I have updated the thread to address comments. I also assigned Alan Hightower to the Tandy exhibit, I had it marked as "whoseisthis.jpg". Thread: http://vintagecomputer.net/browse_thread.cfm?id=677 Alan Hightower's exhibit http://vintagecomputer.net/vcfse-5/Hightower_Tandy.jpg Directly to the p

Re: VCF SE Photos

> > Bill, > > The picture entitled Owen_HP-2116C.jpg is Jim Mahaffey's homebuilt > 6100-based PDP-8 clone. I didn't end up displaying the 2116C after all. > > Thanks! > > Kyle Ah. It did not look like an HP, but I figured it was a modified under the hood version somehow, thanks B

Re: Windows 1.0 For DEC Rainbow (mirror of Latrobe ftp anybody ?)

Warner, How are you uploading and downloading disks from the Rainbow...via the Rainbow or by reading the disks using an image program? I grabbed a copy of Windows. I may have a spare graphics card. Bill On Mon, May 1, 2017 at 11:20 PM, Warner Losh via cctalk < cctalk@classiccmp.org> wrote: > On

Re: Windows 1.0 For DEC Rainbow (mirror of Latrobe ftp anybody ?)

OK.. I will use LCTERM on my Rainbow to Kermit to my Raspberry Pi. b On Thu, May 4, 2017 at 9:58 PM, Fred Cisin via cctalk wrote: > On Thu, 4 May 2017, Warner Losh via cctalk wrote: > >> The old fashioned way: copy the files on the rainbow to the hard >> drive, kermit to my unix box. >> I have

Re: Windows 1.0 For DEC Rainbow (mirror of Latrobe ftp anybody ?)

I treat the few working SSQD drives I have like they're gold. The visual 1050 uses them too.

Re: BETSI Expander for the Commodore PET

On Mon, May 8, 2017 at 8:35 PM, John Ball via cctalk wrote: > So it seems in the early days of the PET a company by the name of > Forethought Prouducts sold an expansion module called the BETSI which > plugged into the expansion bus of the PET and gave you four S100 slots. If > you google around

Morrow 8" disk image CP/M uploaded

Hi, I was contacted though my site by someone looking for a boot disk for their California Computer System S-100 2200 computer with Morrow's Disk Jockey DJ/DMA floppy disk controller. I checked and found what might be a suitable disk. I imaged the disk and the file has been uploaded to my web si

Identify Panel

>From what hardware is this panel ? http://www.vintagecomputer.net/pictures/2017/Temple/Manual-Automatic-Switch-Control.jpg CDC something? Thanks Bill

DEC RX01 drives available

Contact me off list if you're looking for an RX01 drive. Will ship worldwide. Roughly 60 lbs in a 24x24x20 box so you can calc shipping yourself. I have one drive on Ebay now (SN 11-10407 ), looking to see what the market price / discount

Re: BBS software for the PDP 11

There may have been Rainbow BBS programs, but I doubt anything for the 11/34. You may have to write this. b On Wed, May 17, 2017 at 8:45 PM, devin davison via cctalk < cctalk@classiccmp.org> wrote: > I have both a pdp 11/34 and 11/23 and am trying to find some bbs software > to run. Preferably s

Re: BBS software for the PDP 11

> > > > There may have been Rainbow BBS programs, but I doubt anything for the >> 11/34. You may have to write this. >> > > That reminds me of a bit of obscure trivia... > > Back in the early days of FidoNet, one or more of the Fido BBS sysops had > DEC Rainbows. The machines could run Fido just

Re: Directory of old computer collectors

can you send a link to the people who are on the list so they can see their listing? I personally don't mind as long as any record that includes me personally does not include my email address or phone number.I much prefer to send people to my web page contact form. Bill Degnan Landenberg, P

Re: Directory of old computer collectors

I really think you should give people the chance to yay/neh their listing and a way to edit/delete. Otherwise it's a potential risk. Letting the world know who has what where coukld invite a thief under the right circumstances now that I think about it. Bill Degnan twitter: billdeg vintagecomput

Re: Fixing flakey floppies

Warner...get rid of old grease and replace if you have it, like an early MAC Apple drive benefits from. Might help Bill Degnan twitter: billdeg vintagecomputer.net On May 23, 2017 8:13 PM, "Warner Losh via cctalk" wrote: > Greetings, > > I have three flakey floppies. I wonder if they are worth

Re: Directory of old computer collectors

; Sent: Tuesday, May 23, 2017 12:09 AM > Subject: Re: Directory of old computer collectors > > > > On 5/22/2017 11:06 PM, Lyle Bickley via cctalk wrote: > > On Mon, 22 May 2017 16:29:22 -0400 > > william degnan via cctalk wrote: > > > >> can you send

Re: Directory of old computer collectors

Anyway. I don't need to be added to any more pages that publicly list my contact info that I do not have control over, thank you. I need to see before I approve something like that. On Wed, May 24, 2017 at 12:46 PM, Philipp Hachtmann via cctalk < cctalk@classiccmp.org> wrote: > > > On 24.05.201

Re: Re: Rack-mounting a TU56

What is the rating on the caps? Bill Degnan twitter: billdeg vintagecomputer.net On May 27, 2017 12:20 PM, "Mattis Lind via cctalk" wrote: > I have just looked into my two TU56 and all caps are leaking more or less. > I need eight new capacitors. > > What happened to this group buy of capacitors

Re: RL02 to image file

Just for the record, I have the ability to do this. If you can't find anyone closer let me know as it would be expensive to ship a lot of packs. Unless I guess if you wanted to trade the packs for the service of making images of them and returning only electrons. How many are we talking about? I

Re: RL02 to image file

sorry I see "couple dozen" On Wed, May 31, 2017 at 1:56 PM, william degnan wrote: > Just for the record, I have the ability to do this. If you can't find > anyone closer let me know as it would be expensive to ship a lot of packs. > Unless I guess if you wanted to trade the packs for the servic

Re: RL02 to image file

On Jun 1, 2017 12:51 AM, "Glen Slick via cctech" wrote: > > On Wed, May 31, 2017 at 10:28 AM, JCWelch via cctech > wrote: > > Hello, > > Does anyone have a setup to image RL02 packs to a pc file that can be mounted with simh? I have a couple of dozen I would like transferred because I am downsiz

Cdc 883-91

I have a crashed CDC 883-91 disk pack. Looks clean, stored properly. Bill Degnan twitter: billdeg vintagecomputer.net

Re: Pet 8032 in 40 column mode?

Doe this command in basic cause your 8032 into thinking it's a VIC 20": poke41,16:poke4096,0:new I did not actually try this, does it work? Bill On Sun, Jun 4, 2017 at 5:57 PM, Ray Arachelian via cctalk < cctalk@classiccmp.org> wrote: > Hi, I seem to vaguely recall that there was a poke to en

Re: sticky copies and laser prints

I would bet that there is a "best way" to open a stuck page, but I usually open very slowly to reduce damage. It's bad enough we have to worry about the machines, the disks, the batteries, the caps, the On Tue, Jun 6, 2017 at 8:33 PM, Pete Turnbull via cctalk < cctalk@classiccmp.org> wrote:

RX01 drive anyone?

I still have an RX01 drive or two available. Contact me privately if interested. Bill

rectangular sense core vs. diagonal

Where there any computers that used a "rectangular sense" core RAM? Whirlwind core is diagonal. This page describes the differences/evolution of the sense line. More: http://ed-thelen.org/comp-hist/Byte/76jul.html Were rectangular core planes used in any commercial/government computer that saw

Re: PDP-11/05 console clock (was Re: Electronic Systems TRS-80 Serial I/O Board?)

On Tue, Jun 13, 2017 at 5:45 PM, Ethan Dicks via cctalk < cctalk@classiccmp.org> wrote: > On Tue, Jun 13, 2017 at 5:26 PM, Eric Smith via cctalk > wrote: > > DEC went through multiple board revisions with changes to the RC > oscillator > > in attempt to make it sufficiently reliable. I've heard t

Re: Unknown boards

I checked and they are no GE 4000 system boards. On Fri, Jun 16, 2017 at 12:57 PM, Jon Elson via cctech < cct...@classiccmp.org> wrote: > On 06/16/2017 09:31 AM, David Gesswein via cctech wrote: > >> Can anyone identify these boards? Person I got them from can't >> remember >> anything about

Getting to NeXt Command prompt

I think it was here on this list there was a request for instructions on how to access the command prompt directly rather than jumping to the GUI upon boot. Was this ever answered? This past weekend I tested/documented how I was taught to do it: Just after you power up the system "testing system

Re: Getting to NeXt Command prompt

On Jun 20, 2017 12:36 AM, "Eric Christopherson via cctech" < cct...@classiccmp.org> wrote: > > On Mon, Jun 19, 2017, william degnan via cctech wrote: > > [Command + ~] is a system reset. I noticed it takes a little longer to > > Just out of curiosity: do you mean the shift key gets held down too?

Back To: Getting to NeXt Command prompt

Confirmed. It's Command + ' (not shift + Command + ~) "Command + The key with the tilde and the single quote in the number pad of a Next keyboard:" Bill

Re: Previous, was Re: Getting to NeXt Command prompt

> > > > I don't have a NeXT -- though I suppose I could set up Previous and try it > > there :) > > > > On that note...has anyone successfully networked multiple Previous > instances, or a Previous instance with a real NeXT? I briefly tried to get > Maze War running between my NeXTstation Turbo and

Re: Getting to NeXt Command prompt

just replying here too just tried it and yes it's Command + ` (not ~ which would require the shift key). Bill On Tue, Jun 20, 2017 at 10:39 AM, Eric Christopherson via cctech < cct...@classiccmp.org> wrote: > On Tue, Jun 20, 2017 at 12:00 AM, william degnan > wrote: > > > > > On Jun 20, 2017

Re: BBS index

as of 9AM EST 6/27 this site is unavailable. Bill On Tue, Jun 27, 2017 at 3:20 AM, jim stephens via cctalk < cctalk@classiccmp.org> wrote: > I don't recall seeing this in the discussion thread about original BBS's. > I was looking for a site that serves up a shortwave receiver which has > either

Re: tape baking

Have you also experimented with diskettes using this technique. May apply in some cases. Bill On Sun, Jul 2, 2017 at 1:27 PM, Rob Jarratt via cctalk < cctalk@classiccmp.org> wrote: > Yes, that was me. > > Regards > > Rob > > > -Original Message- > > From: cctalk [mailto:cctalk-boun...@cl

Re: M9301-YB ROM flaky

> > > > > I may also have a go at writing a program I can toggle in to read the > > contents of my failing M9301 and dump them out over the console > serial > > to enable a systematic comparison > > Let me find the one I wrote, and upload it. > > Noel > I have a 9301-YB and whe

Re: M9301-YB ROM flaky

On Jul 5, 2017 1:49 AM, "Fritz Mueller via cctalk" wrote: > > Well, the situation had worsened on my M9301 to the point where every single word was affected, and then it was easy to see that it was always in the least-significant four bits. So I pulled and reseated that PROM, then went ahead and

Re: M9301-YB ROM flaky

what is the memory range / can you post the ROM dump so I can compare on my end? Just the memory contents will be fine, if this is convenient. I will call up same in PDPGUI and compare there. Bill On Wed, Jul 5, 2017 at 11:24 AM, Noel Chiappa via cctalk < cctalk@classiccmp.org> wrote: > > F

Re: M9301-YB ROM flaky

perfect, thanks I can use this. Bill On Wed, Jul 5, 2017 at 3:17 PM, Noel Chiappa via cctalk < cctalk@classiccmp.org> wrote: > > From: William Degnan > > > what is the memory range > > That's in the disassembly page: > > http://ana-3.lcs.mit.edu/~jnc/tech/pdp11/ROMs/M9301-YB.mac > > 765

Re: Fwd: pdp11/70 front panel

I am sure LHMuseum would pay a fair retail price for one, they're nearby so you would not have to ship it. They have the full 11/70 and could use a spare I am sure. On Sat, Jul 8, 2017 at 11:14 AM, Rod Smallwood via cctech < cct...@classiccmp.org> wrote: > Depends on condition. A picture would

Re: Xerox stores

> > > > Yup, there was definitely one in Santa Clara (IIRC). I picked up a few > things at their going-out-of business sale. I think one was a DTC > document feeder for a Diablo Hitype and some miscellaneous furniture. > > Who knows--buried in my old records, I may even have an invoice. > > Cont

Re: Xerox stores

On Sat, Jul 15, 2017 at 5:18 PM, Sam O'nella via cctalk < cctalk@classiccmp.org> wrote: > Out of my own ignorance, did Xerox have models geared towards the home? Or > was this a store front for business/Altos types? > null Yes. "business centers", not home (except small home-based businesses).

Re: DEC RA80 Servo Card

On Mon, Jul 17, 2017 at 12:05 PM, Tony Duell via cctalk < cctalk@classiccmp.org> wrote: > On Mon, Jul 17, 2017 at 1:39 PM, Greg Griffith via cctalk > wrote: > > Hi Everyone, > > > > I recently ended up with a DEC RA80 that I'd like to try to get running. > > Unfortunately, it seems someone remove

Re: In search of DEC DZ11 cabling/panel

http://m.ebay.ie/itm/Six-vintage-DEC-PDP-11-Unibus-boards-M7819-DZ11-A-Plessey-Datum-/332138639416?hash=item4d55017038%3Ag%3AawwAAOSwSlBYshHI&_trkparms=pageci%253Ab6a1aa67-6f59-11e7-b4b8-74dbd180378c%257Cparentrq%253A6d8f07ad15d0ab4d70846819fffd26dc%257Ciid%253A11 Bill Degnan twitter: billdeg vint

Re: VT320 Isn't working right

Have you verified you have / don't have RS232 crossover ? Does the same cable work with a different 320 or a 220 or vt 100? On Sun, Jul 23, 2017 at 7:27 PM, Douglas Taylor via cctalk < cctalk@classiccmp.org> wrote: > All > > I have a DEC VT320 that powers up just fine, sees the attached keyboard

Re: Teletype vs Mice

On Mon, Jul 24, 2017 at 2:42 PM, Pete Lancashire via cctalk < cctalk@classiccmp.org> wrote: > Although not 100% CC, I had the same happen to a PDP11/35 about 20 years > ago that was in storage. > > https://photos.app.goo.gl/PbuCIaiigqtP7Dhx2 > Ug. Too many times I have seen something like this.

Re: Honeywall mainframe CPU front panel ID?

> > A further refinement on numbering. > > GE added Multics support to the 635 to make the 645. The 645 was a > transistor machine and was reworked as an integrated circuit machine, the > GE-655. > > The 655 was rebranded as the Honeywell 6000 series. > > I am not sure of the evolution path of the

Re: Honeywall mainframe CPU front panel ID?

> >> I am not sure of the evolution path of the 635 to the 60xx; ie. if GE had >> an IC version of the 635 and what it was called, or it the 655 came with a >> non-Multics support version. >> >> -- Charles >> > > I can confirm this, GE's original Multics intro document, they refer to > the GE 645.

Re: 8mm cinemax type film players (almost OT)

Most projectors of the era of super/regular 8 fulm have an adapter to hold either to the reel in place. Otherwise they're used the same way. Bill Degnan twitter: billdeg vintagecomputer.net On Jul 29, 2017 3:12 AM, "ANDY HOLT via cctalk" wrote: > > My tape obsession was already slightly ou

Re: 8mm cinemax type film players (almost OT)

> > > There are companies around who will transcribe 8mm (either form) to DVD > for quite reasonable prices > (they'll almost certainly also do 16mm and may be able to do 9.5mm as well > - I think "single 8" only differs from "standard 8" at the camera) > > (remembering the days when I coveted a Bo

Re: Cleaning a board slightly oxydized ??

On Mon, Jul 31, 2017 at 12:24 PM, Warner Losh via cctalk < cctalk@classiccmp.org> wrote: > On Mon, Jul 31, 2017 at 10:22 AM, Jon Elson via cctalk < > cctalk@classiccmp.org> wrote: > > > On 07/31/2017 03:13 AM, Alexandre Souza via cctalk wrote: > > > >> AFAIK, common household and vinegar and citri

Re: Importing a PDP-8 from Canada

That's what I did, became my own brokerage, and as a broker ran through fed ex. I declared the items as props for a movie. Bill Degnan twitter: billdeg vintagecomputer.net On Jul 31, 2017 10:36 PM, "Adrian Stoness via cctech" wrote: > call a broker > > On Mon, Jul 31, 2017 at 9:35 PM, Ian McLau

Re: Importing a PDP-8 from Canada

I set up an import license with my company using FedEx, that's how I imported 25 IBM PC's through customs from Canada to USA. Not sure if I can help, but I still have the set up it took about 4 hours to complete. On Mon, Jul 31, 2017 at 10:22 PM, Marc Howard via cctech < cct...@classiccmp.org> wr

Capacitor Inventory

For anyone looking for a vintage cap, here is what I have: http://vintagecomputer.net/browse_thread.cfm?id=693 I'll keep the list up to date. Contact me through my site if you're interested in any of these. Bill

Re: WTB: RX02 Floppy Disks

where are you located? On Tue, Aug 1, 2017 at 4:53 AM, Ulrich Tagge via cctalk < cctalk@classiccmp.org> wrote: > Hi all, > > I'm interested on RX02 Disks, and would be happy to get some of them, to > create RT11 installation and diagnostic disks. > I know there are RX01/02 emulators available, bu

Re: WTB: RX02 Floppy Disks

oops, Germany. On Tue, Aug 1, 2017 at 7:08 PM, william degnan wrote: > where are you located? > > On Tue, Aug 1, 2017 at 4:53 AM, Ulrich Tagge via cctalk < > cctalk@classiccmp.org> wrote: > >> Hi all, >> >> I'm interested on RX02 Disks, and would be happy to get some of them, to >> create RT11

Re: WTB: RX02 Floppy Disks

I have many RX02 disks, but shipping to Germany may be too expensive. Let me know if there is no local source. I am located in Landenberg, PA USA b On Tue, Aug 1, 2017 at 8:21 PM, Charles Dickman via cctalk < cctalk@classiccmp.org> wrote: > On Tue, Aug 1, 2017 at 4:53 AM, Ulrich Tagge via cctal

Re: 2.11BSD on two RL02 drives? Probably not, but...

I'd suggest using simH to load in UNIX 6 / 7 or BSD (assuming there an RL02 BSD image(s)) onto a the PDP 11/? closest to what you have in actual hardware. Emulate a system with RL02s attached. Using this method I have been able to build UNIX 6 onto RL02 media using the directions I found from gun

Re: 2.11BSD on two RL02 drives? Probably not, but...

On Fri, Aug 4, 2017 at 9:42 AM, Phil Blundell via cctalk < cctalk@classiccmp.org> wrote: > On Fri, 2017-08-04 at 08:53 -0400, Noel Chiappa via cctalk wrote: > > > > But are SD cards really that unreliable? > > It depends on exactly how you measure "reliable". There are a few > different things go

Re: 2.11BSD on two RL02 drives? Probably not, but...

On Fri, Aug 4, 2017 at 9:49 AM, systems_glitch via cctalk < cctalk@classiccmp.org> wrote: > Going with SLC/"industrial" Flash is indeed the key to avoiding random > failures. I have many deployed systems using industrial Flash modules (IDE > DOMs) running 24/7 in critical production environments,

Re: Visual 1050

On Mon, Aug 7, 2017 at 8:33 AM, allison via cctalk wrote: > > > On 8/7/17 1:43 AM, Chuck Guzis via cctalk wrote: > >> On 08/06/2017 04:16 PM, Gary McGill via cctalk wrote: >> >>> I have an Visual 1050 computer (CPM based) with screen and keyboard. >>> Probably works but I have not tried it yet.

Re: Visual 1050

On Aug 7, 2017 11:55 AM, "Al Kossow via cctalk" wrote: > > > > On 8/7/17 7:08 AM, william degnan via cctalk wrote: > > > I agree. I keep meaning to archive my software > > > dumping the firmware and character generator would be a good thing to do as well

Re: Visual 1050

> > > > > dumping the firmware and character generator would be a good thing to do > as well > > > > > There are milti versions of these I believe. > > "MULTI" not milti :-)

Re: Disk imaging with IMD - question

On Aug 9, 2017 1:34 AM, "Chuck Guzis via cctalk" wrote: > > Quick question, Rich--what kind of media are you using to test by > formatting to 1.2MB? > > If they're SS media (as indicated by the position of the index > aperture), your drive will probably barf if you try to access the disk > as doub

Re: Disk imaging with IMD - question

NOTE - I was able to make a bootable 8" DOS 6.22 disk even though it slammed the last three tracks, on my imaging computer. The computer thought it was writing to a 1.2M 5 1/4 disk. BUT you're saying a quad density SS disk. I never tried that and if you say it does not work then I can't dispute

Re: DEC Unibus, Omnibus and TTL Flip-Chips sought for!

On Aug 12, 2017 7:13 AM, "Al Kossow via cctalk" wrote: > > On 8/12/17 3:21 AM, Mattis Lind via cctalk wrote: >> >> OK. There haven't been that many replies. The other route is to try to >> reverse engineer the boards. > > > If it were me, I'd just do a new layout using parts you can still buy toda

Re: DEC Unibus, Omnibus and TTL Flip-Chips sought for!

Paul, I could use a set of the unibus board(s) for a tektronix 4015, having had accidentally sold my only one. Oops. Bill Degnan twitter: billdeg vintagecomputer.net On Aug 12, 2017 6:14 PM, "Paul Anderson via cctalk" wrote: > i have a few put aside for you and will have to look this weekend. W

Re: RX02 *.DSK convert to PDP11GUI Image format

> > > > You might try using unix dd to prepend 6656. bytes of zero as a header, > and then copy the rest of the data to form a 512,512. byte file. > That may work on PDP11GUI (and should under SIMH as well) ***IF*** the > person who imaged the disk just dropped track 0. > If they ALSO decided to d

PDP 8e green / lab version rack Ebay

http://www.ebay.com/itm/Digital-Equipment-Corporation-DEC-PDP-lab8-e-Vintage-1970s-computer/15297190 I hope someone my most-often-traversed groups (CCTech or VCFed) gets this! Bill

RX01 and RL01 on same UNIBUS system

Just curious, Is there anyone out there with a combo RX01 and RL01 on the same UNIBUS system, today? Are there any known issues? I found a large box of RX01 disks, lucky me. Working to get the RX01 drive running, experimenting. My particular PDP 11 does not like it (11/40) but I think the drive

Re: Olivetti Programma 101 on EBay

On Sat, Aug 19, 2017 at 11:07 AM, Tony Aiuto via cctalk < cctalk@classiccmp.org> wrote: > http://www.ebay.com/itm/152665094101?ul_noapp=true > > In good visual condition. Very expensive. Purposefully not powered up. I > used one of these in high school, so it has always had a special place in > my

Re: halt and catch fire show 2 hr tonite?

On Sat, Aug 19, 2017 at 2:41 PM, Ed Sharpe via cctalk wrote: > halt and catch fire show 2 hr tonite? > the story continues.. > ed# > > Sent from AOL Mobile Mail > not that it matters much, but if you look on the tables and such during the show, the magazines you see have cover overlays I sc

Re: LA-180 ? On Craigslist near Duluth MI

Looks like it, probably a II Bill Degnan twitter: billdeg vintagecomputer.net On Aug 26, 2017 5:16 PM, "Pete Lancashire via cctech" wrote: > https://eauclaire.craigslist.org/atq/d/aa-occasional-sales/6248628617.html > > Picture #8 in rear right corner > > No association with the seller just pass

Re: LA-180 ? On Craigslist near Duluth MI

On Aug 26, 2017 7:27 PM, "John H. Reinhardt via cctech" < cct...@classiccmp.org> wrote: > > On 8/26/2017 4:02 PM, Pete Lancashire via cctalk wrote: >> >> https://eauclaire.craigslist.org/atq/d/aa-occasional-sales/6248628617.html >> >> Picture #8 in rear right corner > > > And #11. It's got a keybo

Re: at&t unix pc

http://www.vintagecomputer.net/browse_thread_record.cfm?id=42&tid=4 Bill Degnan twitter: billdeg vintagecomputer.net On Aug 27, 2017 7:04 PM, "emanuel stiebler via cctech" < cct...@classiccmp.org> wrote: > anybody still uses them, collects them? > > I have to move, so I'm trying to thin out my co

Re: Off Topic Any customs brokers on the list?

Paul, I used my business incorporation (EIN) to get items through from Canada to the USA by car, through customs I contacted the FedEx Trade Network and purchased a single transaction bond premium from them. I declared the computer items as "display exhibit props" avoiding computers so as not to

Re: honeywell h316 manuals

which ones are they? BIll On Thu, Aug 31, 2017 at 9:45 PM, Adrian Stoness via cctalk < cctalk@classiccmp.org> wrote: > just found some in a house im poked my head in to look at buying. anthow > would anyone want these for the cost of shipping from northern manitoba? >

Re: Odd Ebay auction showed up today...

I noticed that he had not been selling as much lately, I guess he ran out of the good stuff and needs to close out the business, or raise new funds. His normal list of Altairs and such appear to have all been sold. On Mon, Sep 4, 2017 at 12:29 PM, Jason T via cctalk wrote: > On Mon, Sep 4, 2017

Re: determing date on TI 99/4 computers.

> > * Beige, typewriter keyboard - TI-99/4A, cost-reduced version of the > above (1983). Manufactured for only a few months before > discontinuation in late 1983. > I'd double check that. I have found, at least in my experience, that the beige are more plentiful than what you'd expect if the

Re: 40pin Berg connectors, the DEC alphabet, and pin numbering

http://www.vintagecomputer.net/teletype/asr33/M9970_TTY.pdf This is a short pdf that has a nice diagram of the 40 pin molex letters Bill Degnan twitter: billdeg vintagecomputer.net On Sep 18, 2017 8:41 PM, "Charles Dickman via cctalk" wrote: > and of course there's a typo. > > Is pin A == pin 1

Re: 40pin Berg connectors, the DEC alphabet, and pin numbering

AA is the 12th pin on the lower row. On Mon, Sep 18, 2017 at 8:50 PM, Steve Malikoff via cctalk < cctalk@classiccmp.org> wrote: > Chuck said > > Is pin AA == pin 1 or pin 40 ? > > > > When using modern replacement connectors with keys and marked pin 1, > > the translation seems to be pin AA == pi

Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

> > > ATA-IDE and SCSI (OK SASI) are about the same age but had different > adoption and growth rates. > > Earliest SASI/SCSI was AmproLB+ and Visual 1050 with adaptor. I have both > with hard disks. > FYI the Z80 powered AMPROLB+ was 1984 introduction. The Commodore D9060/D9090 pre-dates these

Re: PDP-Lifter

> On 07/10/2017 06:53, Steve Malikoff via cctalk wrote: >> >> After the discussion last year about lifting and racking heavy gear, I bodged together some hardware and >> came up with the PDP-Lifter. It allows easy movement, lifting and lowering for racking and unracking equipment >> in 19" racks. S

Re: DECstation 5000/240 Alternative Console Weirdness

On Sat, Oct 7, 2017 at 4:31 PM, Rob Jarratt via cctalk < cctalk@classiccmp.org> wrote: > I am trying to get Ultrix running on my DECstation 5000/240. > > > > I can get output on the alternative serial console, but no matter what I do > with the setenv console command, or installing/removing the vi

Re: Did DEC make a Daisy Wheel printer?

> > I'm sure DEC did NOT make the actual wheel motor assembly. Qume and Diablo were the two biggies in that arena. > > Probably because of patents and copyrights, you couldn't just make compatible daisy wheel font wheels, either. > > > > Jon > I had once a dec - branded OEM Diablo, I still have

Re: More videos of VCF's Univac

nice job. How many 1219-B's are still running in the world any more? Bill On Tue, Oct 10, 2017 at 1:00 AM, Evan Koblentz via cctalk < cctalk@classiccmp.org> wrote: > Here it is loading/running memory tests and Wumpus. :) > > https://www.youtube.com/playlist?list=PL_e5fSxflvrzeovlnioDfQR86zJOLPQ-

Re: Giving away my collection to someone just starting out in the hobby

Alternative approachhave an open house and invite friends of the hobby to take an item after explaining why they want it, spread it around a little, then after all that is done, let someone with no strings attached take the rest, maybe pay you a token amount. This way you're putting the items

Re: Giving away my collection to someone just starting out in the hobby

> > Anyone who is tasked with taking everything will be able to hold it > forever any more than you, so they'll have to sell/give away again anyway. > Bill > > > I mean not ..."be able to hold it forever ..."

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