Collection of all the articles published on this site:
– Computer;
– Electronics;
– Computer science;
– Linux and Windows systems.
– Retro Technology;
– RetroComputer;
– Audio systems;
– Vintage Electronics and other Devices;
– Repairs and experiments carried out by me.
By Amedeo Valoroso.
I cabinati Arcade (o Coin-Op, “operati a moneta”, come vengono spesso chiamati) hanno segnato un’epoca. Dagli anni ’70 fino ai primi anni ’90, questi giganti dell’intrattenimento dominavano le sale giochi, i bar e le fiere, offrendo esperienze videoludiche uniche che […]
Welcome to ValorosoIT! 🎉 Today I invite you to embark, with me, on a real journey through time, exploring the thematic path I have set up, mainly dedicated to the history of Commodore electronic devices. It starts from the 70s, to arrive [...]
At Varese Retrocomputing 2024, I had the pleasure of meeting Nicola Avanzi of RetroCampus, a retrocomputing enthusiast and expert. On this occasion, Nicola showed us three historic models of the Digital Equipment Corporation (DEC): the DEC Rainbow 100, the [...]
The book Introduction to 8-bit Assembly Programming – Volume I: MCS 65XX is a fundamental guide for those who want to learn Assembly programming for MOS 65XX processors. Written by Daniele Lanzillo, also known as M.A.W. 1968 (András [...]
Varese Retrocomputing 2024 is just around the corner! The event will be held on September 15 in Tradate, in the province of Varese, at the historic Villa Truffini, located in Corso Paolo Bernacchi 2. The opening hours to the public will be from 10:00 to 17:00. […]
If you are a retro-computing enthusiast, you will surely have encountered the problem of damaged mechanical hard drives in old computers. Or, as in my case, an old IBM compatible PC that just isn't equipped with a hard disk. Fortunately, there is a […]
In the world of technology, few things evoke nostalgia like Bulletin Board Systems (BBS). Before the advent of the Internet as we know it today, BBSs were the center of the online world for many computer enthusiasts. How many emotions connect to a […]
In the 1970s, the video game industry was just beginning to take shape globally, with projects and consoles seeking to capture gamers' imaginations in a new and fascinating world. As big names like Atari began to emerge […]
In today's video, here's how to expand the RAM of the Commodore PC10, bringing it from 256 KB to 640 KB. I will guide you step-by-step through the process, detailing the installation of the RAM chips, setting the DIP switches and replacing […]
Good morning to all vintage computer enthusiasts! You are cordially invited to Varese Retrocomputing 2024, an event that will be held in Tradate, in the province of Varese, on 15 September 2024, from 10:00 to 17:00. Last year's edition was […]
The Commodore PC 10 (my example is model 9100-00) is an IBM compatible computer produced in 1984. The example in my possession is in good aesthetic condition, with original keyboard, Commodore 76BM13/00E green phosphor CRT monitor , processor […]
This computer arrived in the collection almost by chance. While having a chat at the hairdresser's, one of the customers had an "old computer" to sell. The amount requested was very high, while the value of this computer is very low, so […]
Welcome to the @ValorosoIT blog! Here we deal with vintage computers and electronics. Today, I will walk you step by step through the process of disassembling and cleaning the IBM 8513 CRT monitor. This guide is intended for enthusiasts […]
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📞 I recently got a deal, purchasing this 1976 Safnat phone at a great price. It's certainly not a modern style, but personally I find it very charming. 🕰️ SAFNAT (Anonymous Company of National Telephone Equipment Factory), founded in 1921 in […]
Microsoft recently made the MS DOS 4 source code public on GitHub. MS-DOS 4 (acronym for Microsoft Disk Operating System, version 4) is an operating system that dates back to 1988. Just released, the MS DOS version […]
My “new” CBM (Commodore Business Machines) model 776M calculator, from the year 1975, has just arrived from the UK via eBay: an offer I couldn't pass up! The calculator arrived with its original case in perfect condition , even if the […]
If there's one thing that fascinates technology enthusiasts it's the comparison between the old and the new, especially when it comes to computer performance. Technological evolution has led to an incredible increase in performance over the […]
I purchased an IBM PS/1 model 2011 from a friend of mine. The computer was sold to me at a good price, but it has some small defects that need to be fixed, such as the classic errors 161 and 163 when turned on. I already have the […]
It's nice to find such beautiful objects, like this JVC 3080 boombox at a low price on online markets. The JVC 3080 is a boombox from the late 70s, early 80s: it was produced from 1978 to 1980. It is a concentrate […]
A friend of mine found this Olivetti M200 in a landfill and gave it to me as a gift. In this way, this magnificent computer was saved and became part of my collection. As soon as it arrived, the computer was in […]
Welcome to the ValorosoIT blog, the point of reference for vintage electronics and IT enthusiasts! If you have ever found yourself faced with vintage objects with an annoying rubbery patina, then you are in the right place. In this article, […]
I love the IBM Model M keyboard! I really like it for its sturdiness, the tactile feedback and the characteristic sound of its keys. In this video, we explore the disassembly and cleaning of this mechanical keyboard in detail. […]
Let's delve into the world of MSX computers, going back to the 80s and 90s. We explore the history, technical characteristics and some of the most famous games, together with Fabio G. Massa, known to friends as BioMassa, in an interview recorded at Varese […]
In the vast panorama of vintage computers, many machines need a little attention to keep them in perfect working order. For example, the Commodore Amiga 500 can be equipped with a Commodore 501 expansion, which has a battery inside […]
Welcome to ValorosoIT, the blog where we explore the fascinating world of retrocomputers and vintage electronics. Today I'll tell you the story of a lost package, then found, of questionable packaging and of the unpleasant surprises encountered with one of my purchases: an IBM [...]
If you're passionate about vintage computers and have ever wondered how to transfer files between old and new PCs, between MS DOS and Windows 10 or 11, then FastLynx might be the solution you're looking for! In this article, [...]
Welcome to ValorosoIT, your portal dedicated to the exciting exploration of the world of retro computers and vintage electronics! In this video, Michel Mammoliti takes us on a journey into the universe of MIDI Music, exploring the details of vintage systems connected to an icon [...]
🖱️ Oops... Maybe a wrong purchase? 😬 😂 I got a Genius GM-6 mouse for my son Leo's gaming computer. The PC is a bit modern, with NVidia GeForce RTX 3060, 32GB RAM, Intel Core i5-13500 processor [...]
Welcome! Let's tackle a fundamental repair on the IBM PS/2 Model 30 286: the replacement of the Real Time Clock (RTC), specifically the Dallas DS1287, with a modern alternative, the nwX287 by Necroware. IBM Computer Configuration Errors The Dallas DS1287, also present [...]