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101090 discussions

Need Tecmar JrCaptain power supply specs

by scheefj＠netscape.net

Hello everyone, My JrCaptain and its power supply (the wall wart) have become separated. I'm pretty sure I still have it, it's just that I don't know which one it is. Naturally none have the Tecmar name. I'm sure someone here has one of these, so would you please look at the wall wart or power brick and tell me what it says? Thanks, Jim

17 years, 8 months

GIGI

by aek＠bitsavers.org

The thread was "DEC Gigi/VK100 ROM images?" on comp.sys.dec in mid April started by Andy Valencia.

17 years, 8 months

anyone utilizing early Macs to access the internet?

by mc＠media.mit.edu

> I've been told using the compact Macs are an exercise in futility. > But what about the Mac II's? (original II, IIx, IIfx, IIcx). > > I was just curious. Right. For a pre-Mac II (e.g. Mac Plus), even Appletalk network file sharing was an exercise in futility, let alone Ethernet. Until the Quadras came along, an Ethernet interface was not built-in. You had to buy a separate network card for you Mac II, and more likely than not, it used "thin ethernet" (coax) not 10-base-T. I did use some 10- base-T SCSI Ethernet adapters for non-expandable Mac laptops around 1975, but they were barely up-to-snuff. While I was in grad school, from 1997 through 1999, I used a Quadra 700 running IE for browsing the web. It seemed unbearably slow even then, and I think I switched to Netscape because its rendering engine was more efficient (IE often had to redraw the whole web page twice-- e.g. to figure out how big the images were, and on a 68040 that was a noticeable delay). Plus a lots of things have changed since then. I don't think I even needed a Flash plugins at the time. Not that you would even think of watching a YouTube video on a processor that slow. For email I used GNU emacs RMAIL running on my group's Unix server. I had to abandon it when MIME became the norm around 2000. Bottom line: For small values of "access the internet" the older Macs were serviceable. By modern standards, the old browsers are curiosities at best. But if you need to transfer some old files off your old Mac, the connectivity is there, and I have been grateful that FTP still works even today. --Tim

17 years, 8 months

Downsizing My Collection

by trebor72＠execpc.com

I just had a bout with Colon Cancer and will have to start downsizing my Computer collection which goes back to the early 80's got some S-100 stuff then PC's from the first thru XT, AT, 286, 386, 486's, 586, up to PII's I also have a complete IBM Series/! 110V half rack and full rack and spare External floppy. Plus 4978, some 3101's some TI 810 printers Cabling. Everything has to go. I also have a Pair of NEC APC's that run. Got two old IMS 8000 8080 cabinets. Have some S-100 cards and 8"drives. Got a Teletek Systemaster 65K CP/m SBC that used to work. even a boot floppy and Docs. THIS Has been sold Got a Mariposa Design 64K Static Memory Board plus Manual.; Even have a Tarbell SBC 8-16 that used to run Got all the Boots and Docs Boy Am I Puter POOR. Got a N* Horizon and a ton of Cards thats up for Grabs. Got a Cromemco ZPU and a 16K static card Plus an 8K ByteSaver fully populated sans Proms. Got a ADS Promblaster wating for one chip. Found one at Unicorn but need to sell something to get the Bread to purchase Got a Advanced Digital Corp S-100 MFM Controller but not sure of its Status. Got a Tarbell FDC 1011C and a 1011D Fully populated that ought to work Got two Vector Graphic CPUs and a Z80 Got some spare Compu-Pro cards 8085, Disk1 that needs fixing, Disk3, couple RAM22.s RAM17.s Interfacer 3 and 4 that I may put up if the price is right Looking for Shipping and Handling and a few Bucks to put my pocketbook to rest. I'd go the E-Bay Route but they only allow Credit cards for PayPal and I don't have one. I am strictly "Cash on the Barrel head" which includes Money Orders My E-Mail is good if anyone is interested. I am located just NW of Milwaukee in Menomonee Falls right off of US 41-45 for PICK-UPS I will be posting Vintage Computer Market Place and Comp.os.cpm and Maybe even E-BAY Bob in Wisconsin

17 years, 8 months

HP 5036A microprocessor lab - searching for copy of "Practical Microprocessors"

by hpjimbondoris123＠dorisland.net

Hello group: I have a person whom was kind enough to post the PDF excerps from scanning "Practical Microprocessors" which is the lab manual for the HP 5036 microprocessor trainer.. I scanned the schematics, rom listing and a few other pages. You can find it on Dave's site here http://www.neurotica.com/misc/practical_microprocessors.pdf be warned that in order to make it worth while to read its 125 megs I suggest that you print it out the 40 so pages. I printed it to make sure that its readable. Spent a day to scan it and build the pdf so I hope those with the trainer and have no manual will find it usefull. Jim

17 years, 8 months

Compaq Portable II flat CMOS battery

by gordonjcp＠gjcp.net

Before I go hauling all those little Torx screws out (yes Tony I *do* have proper Torx bits, unlike the last person to be inside it), can anyone point me in the direction of the CMOS battery? I bet it's right underneath the monitor, or something. Gordon

17 years, 8 months

IBM RS/6000 Help / advice wanted

by john_a_s2004＠hotmail.com

Hi, Thanks for the encouraging responses, I'll go and have a read. Someone also kindly emailed me these URLs with further useful info: http://www.pimpworks.org/ibm/aixled.html http://www.pimpworks.org/ibm/ledcomm.txt I have contact with a AIX CD, and I have obtained (a few!) SCSI CD drive that cn be tweaked to the correct sector size. Couple more questions though: 1. Is there a back-up battery (perhaps in a RTC chip like on a Sparcstation 2), that will have surely failed by 2008. 2. Is there a source to download diagnostic floppy set, I hadn't known about these until today. Thanks again, John _________________________________________________________________ Discover Bird's Eye View now with Multimap from Live Search http://clk.atdmt.com/UKM/go/111354026/direct/01/

17 years, 8 months

IMSAI 8080 on eBay

by michaelgreen42＠comcast.net

You are probably right. Its not like I'm trying to hide anything but I really don't know much about these. Other than the fact that it powers up that's about it. Picked it up local with the idea of "wow IMSAI" but realized it's a bit out of my realm of interest, I'll never actually use it, and I need the money to go to school this Fall. I'm more than happy to answer any questions anyone has though. -------------------------------------------------------- Message: 1 Date: Fri, 19 Sep 2008 13:03:19 -0500 From: "js at cimmeri.com" <js at cimmeri.com> Subject: re: IMSAI 8080 on eBay To: cctech at classiccmp.org Message-ID: <48D3E967.2020104 at cimmeri.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed >From: "Mike" <michaelgreen42 at comcast.net> >Subject: IMSAI 8080 on eBay >To: <cctech at classiccmp.org> >Message-ID: <7CA2A42621B44381A42EB354A4390329 at pal> >Content-Type: text/plain; charset="us-ascii" > >I've decided to sell my IMSAI 8080. It is in excellent condition and comes >with two Discus 8" floppy drives. It has been posted on eBay. >http://cgi.ebay.com/IMSAI-8080-with-8-Floppy-Drives_W0QQitemZ120307050411QQ c >mdZViewItem?hash=item120307050411&_trkparms=72%3A1205|39%3A1|66%3A2|65%3A12 | >240%3A1318&_trksid=p3286.c0.m14 > For a big ticket item, that ad is really lacking in pics and information.

17 years, 8 months

choppers

by dgriffi＠cs.csubak.edu

I stumbled on a disturbing thing on Ebay. There's a guy who seems to specialize in taking apart perfectly good classic computer stuff to sell the pieces. I found him when looking for a VT100. He's selling a naked CRT that he says was taken from a working VT180. I asked him why. No answer. -- David Griffith dgriffi at cs.csubak.edu A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?

17 years, 8 months

Morrow MD3 claimed

by dgriffi＠cs.csubak.edu

The first to reply has claimed the MD3. Thanks. I'll have some motherboards for sale later on. -- David Griffith dgriffi at cs.csubak.edu A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?

17 years, 8 months

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