Re: VCFMW 11

2016-09-18 Thread Marvin Johnston
I am finally getting recovered from my trip to VCFMW... the 2-day (basically non-stop) drive each way was somewhat taxing. And I too wanted to say thanks to everyone who attended along with Jason and crew who made it happen. This was my first VCFMW and the spirit and camaraderie at the whole

Re: Vintage Computer Festivals???

2016-04-19 Thread Marvin Johnston
From: Evan Koblentz > For VCF-West, I have a ridiculous amount of crap to dispose of Looking forward to seeing you there. I encourage you to sell as much as possible in consignment as long as it's on-topic. :) ** Evan, One thing I ALWAYS looked forward to at the VCF shows was being ab

Re: [OT] eBay tale (Was: Re: flea markets (was Re: Vintage Computer Festivals???))

2016-04-20 Thread Marvin Johnston
Mark J. Blair nf6x at nf6x.net I would happily donate that kind of money to create something of value to us. I don't think it would work out well, though, for one reason: The thing that makes eBay the venue of choice is that it is well-known as the place to sell oddball stuff that you might fin

"RAM Drives" Elite 5H/10H Hard Drives for Apple ][

2016-08-10 Thread Marvin Johnston
I ran across a manual from "Ram Drives" company that apparently made hard drives. They were based in Goleta, CA (just north of Santa Barbara) which is what really caught my attention. My *guess* is they made/provided hard drives to Lobo Drives for their hard drive/floppy disk combination. I *t

Floppy Disk Images

2017-08-11 Thread Marvin Johnston via cctalk
I seem to recall this topic has been brought up a couple of times over the past 20 years or so that ClassicCmp has been in existance, but I can't find the info. And technology has advanced :). I have probably at least 10,000 floppy disks of many flavors (formats, hard sector, soft sector, vari

More Stuff for VCFMW

2017-08-31 Thread Marvin Johnston via cctalk
I just found out I can't fit a whole house of stuff in my van :). So I'll be posting some larger/heavier stuff that I may or may not bring depending on if this stuff is something I'd have to bring back. So: $25 each - Four imac G4 computers, working w/keyboard/mouse, $35 each - Two imac G5 com

Yet Still More for VCFMW

2017-09-01 Thread Marvin Johnston via cctalk
My last email about what to bring to VCFMW let me off the hook (so far) for a number of things. So time to try again :). I've had some questions about what I want to unload. There is far too much stuff to even try to answer such a question. An easier way is to say what you are looking for, a

[cctalk] FS IBM 5100 Printer

2022-09-05 Thread Marvin Johnston via cctalk
I've got a printer for the IBM 5100 that I would like to sell. I can bring it to VCFMW, but only if it is sold ahead of time (too heavy to comfortably bring on spec.) Best reasonable offer. Marvin

[cctalk] Re: what is on topic?

2022-12-22 Thread Marvin Johnston via cctalk
After all is said and done, my observations since the time this listserver was up in Washington is that anything OT has a very short "shelf life." That would suggest most people here have a working brain and thus, like the definition of pornography, they know OT when they see it. A long way

[cctalk] Re: any COCO enthusiasts

2023-01-23 Thread Marvin Johnston via cctalk
As to what can you do with it? A local company was running a homemade NC drill using the (IIRC) Coco 2 with a pair of disk drives to drive the thing. I bought it for kicks, but never used it. To ask another similar question, I have a tektronix 2 axis controller that uses paper tape. Changing

[cctalk] Printers, etc available for sale

2023-08-02 Thread Marvin Johnston via cctalk
Does anyone still use the older dot matrix printers? The husband of a friend of mine passed away and I am helping her dispose of his classic computer stuff. If there is interest in them, I can put together a list of what she has (and I can see) in the six storage lockers :). The printers I

[cctalk] Polymorphic Systems Poly88

2023-08-09 Thread Marvin Johnston via cctalk
FWIW and as some of you might know, Polymorphic was manufactured here in Santa Barbara (also Lobo Drives/Systems, and Street Electronics.) After Poly had gone out of business, a friend of mine ended up getting all (or most) of the remaining Poly documentation and most of the remaining hardware

Re: Corona Data Systems PC available

2017-06-01 Thread Marvin Johnston via cctalk
I have a couple of the Corona and Cordata desktops. Apparently Corona Data Systems was forced to change their name when the manufacturer of Corona typewriters objected. So yes, Corona did predate the Cordata computer. My first PC clone was the PPC-400, and I still have the service manual (c

Early Computer Storefront Photos

2020-08-24 Thread Marvin Johnston via cctalk
I sent an email to Al asking if he wanted them, and no response which I took to mean no :). There are about 40 photos of the fronts of computer stores circa 1977-1978, and were taken by a friend of mine who was a computer salesman at the time. Most (all) are date stamped and have the store

Re: Early Computer Storefront Photos

2020-08-24 Thread Marvin Johnston via cctalk
Spoken for. I sent an email to Al asking if he wanted them, and no response which I took to mean no :). There are about 40 photos of the fronts of computer stores circa 1977-1978, and were taken by a friend of mine who was a computer salesman at the time. Most (all) are date stamped and h

Re: What's the secret to LK201 leaf springs?

2020-09-13 Thread Marvin Johnston via cctalk
One thing I've tried and seems to work quite well (on another application) is UV curable plastic. The last thing I fixed was when the post holding one side of the exit paper tray broke off, and I used the UV curable plastic to fix it (still working just fine.) The trade name is Bondic, and I

FFS - PrismIQ Keyboards

2020-12-28 Thread Marvin Johnston via cctalk
I am starting to clean out stuff, and one of the things I don't need are these new PrismIQ IR keyboards. Apparently they were originally used with some multimedia stuff in the early 2000s. Because I am just trying to get rid of this stuff, I am only offering them in cases (boxes) of 10 keybo

Re: Need to have a roll of paper punch tape read by a tape reader and printed

2021-03-09 Thread Marvin Johnston via cctalk
FWIW, I went back to the CCTALK archives and could not find the original message either. Being curious, I went back to the CCTALK archives and there it was. Hi folks. I wrote a basketball program in Basic over 40 years ago in high school. I printed the 13 pages of code, and produced a roll

Re: Need to have a roll of paper punch tape read by a tape reader and printed

2021-03-09 Thread Marvin Johnston via cctalk
OOPS on my last response... I should have said I found the original on the CCTECH archive. Hope there was no confusion there!

BS was Re: VCF Swap Meet in Wall, NJ (Liam Proven)

2021-03-23 Thread Marvin Johnston via cctalk
What a bunch of ^%#%#@$^. FYI, this is a listserver designed for classic computer discussions. Please save your diatribes for a more appropriate venue!!! Marvin Look, TBH, sorry to be That Guy, but what it sounds like is made-up mumbo-jumbo with as much basis in science as saying his chol

Re: How to read Osborne 1 Floppies?

2021-05-26 Thread Marvin Johnston via cctalk
Depending on when you need them, VCFMW is coming up in a few months. I have a number of Osborne 1's as well as a couple of 386 machines set up with Teledisk (I bought it *years* ago when it became available to listmembers), imagedisk, and *maybe* Dave Dunfields IMD(?). As VCFMW gets closer a

Re: How to read Osborne 1 Floppies?

2021-05-26 Thread Marvin Johnston via cctalk
y wrote: On May 26, 2021, at 11:12 AM, Marvin Johnston <mailto:mar...@west.net>> wrote: Depending on when you need them, VCFMW is coming up in a few months. I have a number of Osborne 1's as well as a couple of 386 machines set up with Teledisk (I bought it *years* ago when it

RE: The Prolok Saga (Was: Applesauce FDC

2021-11-03 Thread Marvin Johnston via cctalk
Another thing Prolok did was produce a small 3 disk set of sample disks with the Prolok protection. Somewhere around here I still have a set of those disks. As I recall, a program was included on each disk to copy the program to be copy protected to the special disk.

Re: VCF Midwest seller's experience?

2018-08-16 Thread Marvin Johnston via cctalk
This will make my third year selling at VCFMW. My motives are to pay for the trip :), Diminish the "collection", and have fun talking/meeting with other attendees. All three have been easily accomplished! For me, I don't relish the use of a consignment area and spend most of my time in the sel

Model 100/HX-20 LCD Display Problems

2018-08-26 Thread Marvin Johnston via cctalk
In getting ready for VCFMW, I started looking at some model 100s and HX-20 notebook computers. Most of them have blank LCD displays, so I figured there might be a common problem. So far, I've found leaky electrolytics on all of them, usually 10 uF, but there are some others with all of them

Epson HX-20, TRS-80 Model 100 Capacitor Kits

2018-08-27 Thread Marvin Johnston via cctalk
Since I have at least four Model 100 and HX-20s, I've decided to just replace all the aluminum electrolytics before repair becomes much more difficult. So far, I see the project as fairly easy depending on how bad the corrosion from the leaking caps is. Is anyone interested in buying a kit or

Re: Epson HX-20, TRS-80 Model 100 Capacitor Kits

2018-08-29 Thread Marvin Johnston via cctalk
y melt and mix with new solder. using a drill will destroy the board. Enviado do meu Tele-Movel On Tue, Aug 28, 2018, 03:38 Marvin Johnston via cctalk mailto:cctalk@classiccmp.org>> wrote: Since I have at least four Model 100 and HX-20s, I've decided to just replace all the a

Re: Epson HX-20, TRS-80 Model 100 Capacitor Kits

2018-08-29 Thread Marvin Johnston via cctalk
hen no one wants to play anymore. I'm the "last mile" of retro computing repair here :) Take a look at my sites: http://tabajara-labs.blogspot.com http://tabalabs.com.br I'm sure you'll have some fun with some repairs I've done :o) Greetings from Brazil! Alexandr

Color of Leaky Electrolyic Caps?

2018-08-29 Thread Marvin Johnston via cctalk
I was just checking out the leaky capacitors on the model 100 motherboard, and they are all colored black. And ditto for the HX-20. The ones that are both light and dark blue look to be fine (no leakage.) So am I just seeing an anomaly, or is this the experience of most people here?

VCFMW - Zilog PDS8000 Model 20, NCR 1102-6000

2018-09-09 Thread Marvin Johnston via cctalk
I have a Zilog PDS8000 Model 20 with some disks and manuals. It has not been powered up since I first got it some 20 or so years ago (total guess.) It was previously owned by a software developer. The boot disks are still in the 8" drives :). The NCR 1102-6000 is another one that I picked up y

Re: VCFMW - Zilog PDS8000 Model 20, NCR 1102-6000

2018-09-09 Thread Marvin Johnston via cctalk
The Zilog PDS8000 has been sold. On 9/9/2018 12:02 PM, Marvin Johnston wrote: I have a Zilog PDS8000 Model 20 with some disks and manuals. It has not been powered up since I first got it some 20 or so years ago (total guess.) It was previously owned by a software developer. The boot disks are

Re: DEC Rainbow / Pro video on VGA monitors?

2019-01-20 Thread Marvin Johnston via cctalk
I'm trying to find a way to get my DEC Rainbow's monochrome output onto a newer monitor than my aging VR201 (especially since I zapped something in it and my diagnostic efforts to date haven't fixed it). I can't remember the video output on the Rainbow, but I wanted to do something similar t

Re: OT Parts houses & scrappers

2019-01-29 Thread Marvin Johnston via cctalk
Sorry, but no. It?s grossly offensive for things that work perfectly well and that someone might actually find useful to go to scrap. There?s tons of useless and broken junk that our civilization can mine for scrap, we don?t need to actually destroy things that have actual value. If someone is

FS: Craigslist Apple 512K Lisa Computer

2019-03-03 Thread Marvin Johnston via cctalk
I just ran across this and while I'm not interested, someone on the list might be. https://santabarbara.craigslist.org/sys/d/apple-512k-lisa-computer-valuetec-2900t/6821658432.html It was posted about 14 days ago, and looks to be in Santa Barbara, CA.

Re: Craigslist Apple 512K Lisa Computer

2019-03-04 Thread Marvin Johnston via cctalk
sburgh, PA and it can be dropped off along the way. I can also head out to Goleta (basically Santa Barbara) and check out what this person has. Marvin On Mar 3, 2019, at 10:35 AM, Ray Arachelian via cctalk wrote: On 03/03/19 12:58, Marvin Johnston via cctalk wrote: I just ran across thi

Re: TurboDOS for S-100, IMS or L/F Technologies

2019-06-12 Thread Marvin Johnston via cctalk
If I read the archive properly, there is a copy of TurboDos 1.4x in Don Maslins archives on Bitsaver. The files included are: Name Format Description 143GENZIP TD 1.43 DO/GEN/PAR files for ADC 143KERN ZIP TD 1.43 Kernel files 143RELZIP TD 1.43 REL file

Re: Latest Additions to the Virtual Warehouse of Computing, > Wonders Sale Inventory

2019-06-29 Thread Marvin Johnston via cctalk
FYI, it is unlikely there would have been a VCF without Sellam. He basically started it (with his own money) and continued through the first 10 years or so. Many others help support VCF (and continue to do so even though Sellam backed out some number of years ago.) I, for one, fully support

Archiving information, was Re: ADM-3A question

2019-08-15 Thread Marvin Johnston via cctalk
Al Kossow via cctalk writes: > On 8/14/19 8:53 AM, Anders Nelson via cctalk wrote: >> I hope this thread will be written to a blog post > > Buried in a filing cabinet in the basement with a sign that says > "Beware of Leopard". > > Blogs are a stupid way to archive information, almost as stupi

TRS-80 Fireworks

2019-08-28 Thread Marvin Johnston via cctalk
I'm just curious how many people have powered up their TRS-80 computers, and ended up with a bang and a room filled with smoke? So far, I've gotten the fireworks in two out of two TRS-80s (model 3 and 4) when they were powered up. In both cases, the problem was with the main line filter capaci

Re: TRS-80 Fireworks

2019-08-28 Thread Marvin Johnston via cctalk
laced? I'm well aware of the electrolytics and have that project on the back burner right now (about 10 Model 100s to repair.) It is nice that they are pretty trivial to replace! Marvin On 8/28/2019 5:34 AM, Ethan Dicks wrote: On Wed, Aug 28, 2019 at 4:16 AM Marvin Johnston via cctalk w

Re: TRS-80 Fireworks

2019-08-28 Thread Marvin Johnston via cctalk
intended) are specialized... https://www.allaboutcircuits.com/technical-articles/safety-capacitor-class-x-and-class-y-capacitors/ From: cctalk on behalf of Marvin Johnston via cctalk Sent: Wednesday, August 28, 2019 9:34 AM To: Ethan Dicks; General

Re: TRS-80 Fireworks

2019-08-28 Thread Marvin Johnston via cctalk
lume of knowledge here to help out! Marvin On 8/28/2019 6:59 AM, Peter Cetinski wrote: On Aug 28, 2019, at 9:34 AM, Marvin Johnston via cctalk wrote: Thanks everyone for the feedback... I had no idea. I'll be putting in an order today with Digi-key (P/N 399-7483-ND) for probably aro

Re: TRS-80 Fireworks

2019-08-28 Thread Marvin Johnston via cctalk
While getting ready to order some Kemet caps from Digi-key (same P/N posted earlier), I noticed they all had "RIFA" on them. Is this a big OOPS to order them, or would they be okay? I tend to prefer fixing something once :). Marvin

Early Univac Commercial

2019-09-19 Thread Marvin Johnston via cctalk
I was watching an early airing of "What's My Line", and they aired a commercial by Remington Rand: https://www.youtube.com/watch?v=I-DNG_bbHDE The commercial starts about 19:30 and shows the Univac being used in a weather prediction. Not much useful information, but the video is quite interes

Re: WTB Metcal workstand

2019-09-26 Thread Marvin Johnston via cctalk
A friend of mine, Harold Fue, has been selling new and used soldering equipment for many years, and may well have what you are looking for. My knowledge of Metcal is limited, but I bought a number of new tips, a used SP-200 unit with handpiece and the handpiece holder from him a couple years ag

qubex qa2000 disk tester

2019-10-13 Thread Marvin Johnston via cctalk
Is anyone here familiar with this disk tester? I'm actually looking for the operators manual or even better/more unlikely a service manual. I found this while digging through some of the "stuff" I've accumulated over the past 40 years or so. Marvin

Re: Classic equipment available & my bad year.

2019-11-09 Thread Marvin Johnston via cctalk
Dave, sorry to hear about your situation. Regarding system/parts/etc. selling prices, I use something called TeraPeak. It is available on a subscription basis with the downside that it is now part of Ebay... I quit them in 2015 with no current plans of ever having anything to do with them, but

[cctalk] Re: need a 5150 motherboard

2024-03-30 Thread Marvin Johnston via cctalk
Just out of curiosity, what are you using this board for? The IBM 5150 uses at least three different mother boards, 16K, 256k, and I *think* 512K soldered in RAM. Each is expandable to 640K with 3rd sourced RAM boards. I should have (somewhere) at least one of each. I also have several 5150

[cctalk] Mylar/Sponge Keyboard Repair Kits

2024-05-17 Thread Marvin Johnston via cctalk
I've got a couple of keyboards where the sponge has disintegrated to the point they no longer work. The latest one is a Vector 3 keyboard and I would love to get it fixed. Can repair kits still be purchased and/or are the instructions for making those sponge/mylar pieces available? Thanks!

[cctalk] Illiac II Library Routine

2024-06-10 Thread Marvin Johnston via cctalk
A friend of mine passed away about a year ago, and his wife is just getting around to sorting through his many books, papers, etc. The title of the heading title is what caught my attention. My current plan is to scan the 9 page paper and make it available to interested parties. Since me my pla

[cctalk] Re: Illiac II Library Routine

2024-06-11 Thread Marvin Johnston via cctalk
 Thanks for the offer,but I'm located in Santa Barbara, CA. My plans include VCFMW in September where I can bring a slew of his books, etc.  I might add there are some IBM manuals including the 360 and 1401 Fortran II I've seen so far. Marvin Paul Anderson

[cctalk] Re: Illiac II Library Routine

2024-06-12 Thread Marvin Johnston via cctalk
ished? I will be at VCFMW this year. Bill On Tue, Jun 11, 2024, 11:26 AM Marvin Johnston via cctalk < cctalk@classiccmp.org> wrote: Thanks for the offer,but I'm located in Santa Barbara, CA. My plans include VCFMW in September where I can bring a slew of his books, etc. I might ad

[cctalk] TexElec Foam and Foil" Capacitive Pads for KeyTronic & BTC Keyboard Repair

2024-06-23 Thread Marvin Johnston via cctalk
O n t he recommendation of a couple list members, I ordered five of their Foam and Foil" Capacitive Pads for KeyTronic & BTC Keyboard Repair. I thought the price was very reasonable for about 100 pads for each of the five bags plus shipping. Keyboard disassembly was rather tedious, but not part

[cctalk] Value of Intel MDS System

2024-07-12 Thread Marvin Johnston via cctalk
In keeping with a previous discussion about reducing a collection  size, I have an intel MDS system I am kind of looking to sell. This system consists of the processor box, dual floppy drives, two keyboards (one missing a keycap), and monitor. Unfortunately, no manuals or software came with it

[cctalk] Ebay past pricing

2024-07-14 Thread Marvin Johnston via cctalk
I would guess most people here are aware of how to use ebay to suggest (mostly inflated) pricing. In the past, I have used Hammertap and Terapeak, but they both seem to have gone away. That said, I finally bit the bullet and joined Worthpoint. So far it is the best I have used and at this point

[cctalk] Re: Ebay past pricing

2024-07-15 Thread Marvin Johnston via cctalk
rice. That is not a serious enough reason for me not to use Worthpoint. A recent example of Ebay failures would be the pricing on Intel MDS system parts. Another example is Lobo Drives/System computers. Or the Lobo HD/floppy disk box. Do I need to go on? Marvin On Sun, Jul 14, 2024, 11:49 PM

[cctalk] Re: the 1968 how to build a working digital computer

2024-07-22 Thread Marvin Johnston via cctalk
One idea I've had for a number of years now is to use a PLC to simulate a relay computer. Seems like it would be a fun project. While I have the PLC, the time and motivation to do it is currently escaping me. The idea came as I was looking at the Simon computer construction project from one of