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Burroughs TD700 Self-Scan early gas plasma display screen, with control unit and keyboard, Design Level 4 c1973.
Yay... we have a cursor (of sorts - with a bit of ghosting on rows 4 & 7)) after 4 days slowly notching up the variac to avoid popping old capacitors.
I had already replaced the power socket, a defective mains fuse holder, and 2 corroded capacitors on cards "A" and "T" in the control unit cage. The faint pixels shown up by the cursor occur in the same positions across the row so I'm hoping this may be a resolvable logic or driver issue in the self-scan control card, rather than a write-off self-scan module.
The identity plate is stamped for 240 volts, but the power supply test points for 5.1v, 12v, -12v, 30v, and -250v were all up to required values on 110 volts AC supply from the variac..!
The Macintosh Plus computer was the third model in the Macintosh line, introduced on January 16, 1986, two years after the original Macintosh and a little more than a year after the Macintosh 512K, with a price tag of US$2599.
en.wikipedia.org/wiki/Macintosh_Plus
Retrocomputing (a portmanteau of retro and computing) is the use of early computer hardware and software today. Retrocomputing is usually classed as a hobby and recreation rather than a practical application of technology; enthusiasts often collect rare and valuable hardware and software for sentimental reasons. However some do make use of it.[1] Retrocomputing often gets its start when a computer user realizes that expensive fantasy systems like IBM Mainframes, DEC Superminis, SGI workstations and Cray Supercomputers have become affordable on the used computer market, usually in a relatively short time after the computers' era of use.
en.wikipedia.org/wiki/Retrocomputing
Con il termine retrocomputing si indica una attività di "archeologia informatica" che consiste nel reperire, specialmente a costi minimi, computer di vecchie generazioni, che hanno rappresentato fasi importanti dell'evoluzione tecnologica, ripararli se sono danneggiati, metterli nuovamente in funzione e preservarli.
The original IBM PC, the first one. It run on Intel 8088 @ 4,77 MHz. Not happy to say that I had one, it was my first pc...
Still working!
The add-on board provided SLOW/FAST modes switching, making this ZX80 like a ZX81.
The side switch allows screen black/white reverse.
I like old computers. But I have a teeny-tiny home office, so I can't have all of them set up all the time; I need to multi-task. What to do? Organize them into the Retrocomputing Closet of Doom, so I have easy access to each piece whenever I fancy pulling it out!
From bottom to top: MicroVAX 3100, Apple ][ Plus, Dell Optiplex PII, Apple IIgs, Commodore 64, VT320 terminal, Sun SPARCstation LX, and an overabundance of keyboards, keyboards, keyboards.
The scary thing is, everything works.
IBM's PCjr was a failure, or so I gather, but this one was more successful. Released only in Australia and New Zealand, I spotted a couple at a garage sale many years ago, and had to grab them. There used to be a cartridge-based version of Lotus 123 for this computer, on two cartridges, which always impressed me.
Con "soli" 10,7 kg di peso, l'Osborne-1 fu il primo computer portatile disponibile sul mercato.
With "only" 10.7 kg of weight, the Osborne-1 was the first commercially available portable computer ever.
The Indy, code-named "Guinness", is a low-end workstation introduced on 12 July 1993. Developed and manufactured by Silicon Graphics Incorporated (SGI), it was the result of their attempt to obtain a share of the low-end computer-aided design (CAD) market, which was dominated at the time by other workstation vendors; and the desktop publishing and multimedia markets, which were mostly dominated at the time by Apple Computer. It was discontinued on 30 June 1997 and support ended on 31 December 2011.
en.wikipedia.org/wiki/SGI_Indy
Retrocomputing (a portmanteau of retro and computing) is the use of early computer hardware and software today. Retrocomputing is usually classed as a hobby and recreation rather than a practical application of technology; enthusiasts often collect rare and valuable hardware and software for sentimental reasons. However some do make use of it.[1] Retrocomputing often gets its start when a computer user realizes that expensive fantasy systems like IBM Mainframes, DEC Superminis, SGI workstations and Cray Supercomputers have become affordable on the used computer market, usually in a relatively short time after the computers' era of use.
en.wikipedia.org/wiki/Retrocomputing
Con il termine retrocomputing si indica una attività di "archeologia informatica" che consiste nel reperire, specialmente a costi minimi, computer di vecchie generazioni, che hanno rappresentato fasi importanti dell'evoluzione tecnologica, ripararli se sono danneggiati, metterli nuovamente in funzione e preservarli.
My Amiga 600 with built in Flickerfixer by Indivision. I removed the useless RF modulator, modded the case so that a VGA port would fit.
Watching Petar Puskarich's presentation on running AppleWorks on the Apple II+ from the Byte Cellar during KansasFest 2022.
Il 23 aprile 1982 Clive Sinclair annunciava il suo nuovo home computer, lo ZX Spectrum, che avrebbe spalancato le porte della rivoluzione informatica a milioni di persone. Io sono una di quelle.
On the 23rd of April, 1982, Clive Sinclair presented his new home computer, the ZX Spectrum, which would have laid the way to the information technology revolution for millions of people. I am one of them.
Olivetti Philos 44
it.wikipedia.org/wiki/Olivetti
Retrocomputing (a portmanteau of retro and computing) is the use of early computer hardware and software today. Retrocomputing is usually classed as a hobby and recreation rather than a practical application of technology; enthusiasts often collect rare and valuable hardware and software for sentimental reasons. However some do make use of it.[1] Retrocomputing often gets its start when a computer user realizes that expensive fantasy systems like IBM Mainframes, DEC Superminis, SGI workstations and Cray Supercomputers have become affordable on the used computer market, usually in a relatively short time after the computers' era of use.
en.wikipedia.org/wiki/Retrocomputing
Con il termine retrocomputing si indica una attività di "archeologia informatica" che consiste nel reperire, specialmente a costi minimi, computer di vecchie generazioni, che hanno rappresentato fasi importanti dell'evoluzione tecnologica, ripararli se sono danneggiati, metterli nuovamente in funzione e preservarli.
Ithaca Intersystems DPS-1 with Wyse WY-120 terminal: - running a handy MBASIC program from Ken Tracton's book "Programs in Basic for Electronic Engineers, Technicians & Experimenters" c1979.
I was a Commodore user and never had much experience with the Apple II world. I'm sure that these are digitized on archive.org or similar sites but if anyone would like these they're at the Habitat For Humanity ReStore in Westminster, MD.
Memories from the '90s. While cleaning a forgotten place in my house, I found this panel that I made during the '90s, collecting pins and stickers from events. It's fascinating to see how many of the ideas of those times are now in place. Technology runs fast, but the adoption has its rates.
Nonetheless, if you do not imagine and invent, you will never know where to go. It's just a matter of time.
The image has plenty of notes
Entre estos viejos equipos Apple en el Little Apple Museum también hay un NeXT (la compañía que fundó Steve Jobs al ser despedido de Apple, que acabó siendo adquirida por Apple años después).
The Apple IIc, the fourth model in the Apple II series of personal computers, was Apple Computer’s first endeavor to produce a portable computer. The end result was a luggable 7.5 lb (3.4 kg) notebook-sized version of the Apple II that could easily be transported from place to place.
en.wikipedia.org/wiki/Apple_IIc
Retrocomputing (a portmanteau of retro and computing) is the use of early computer hardware and software today. Retrocomputing is usually classed as a hobby and recreation rather than a practical application of technology; enthusiasts often collect rare and valuable hardware and software for sentimental reasons. However some do make use of it.[1] Retrocomputing often gets its start when a computer user realizes that expensive fantasy systems like IBM Mainframes, DEC Superminis, SGI workstations and Cray Supercomputers have become affordable on the used computer market, usually in a relatively short time after the computers' era of use.
en.wikipedia.org/wiki/Retrocomputing
Con il termine retrocomputing si indica una attività di "archeologia informatica" che consiste nel reperire, specialmente a costi minimi, computer di vecchie generazioni, che hanno rappresentato fasi importanti dell'evoluzione tecnologica, ripararli se sono danneggiati, metterli nuovamente in funzione e preservarli.