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.
During Varese RetroComputing 2024, I had the pleasure of interviewing Simone Nasa and William, who presented a range of modern accessories for the legendary Commodore 64, Vic-20 and Amiga. These accessories, designed to improve performance and simplify [...]
The Facit CM2-16 is a mechanical calculator manufactured by Facit AB, a Swedish company from Åtvidaberg that specializes in calculation tools and office machines. This specific specimen, which I have in my collection, has the serial number 888731 and a label indicating [...]
Thank you all for your continued support and for being part of this amazing community: 📈 4500 subscribers on YouTube, 5700 followers on Instagram, 4700 members in the Facebook group, 3900 on TikTok and 2500 on Threads! 🙌We are over 20,000 passionate [...]
The Sound Blaster Clone sound cards, made by David E Larsson in Sweden, are replicas of the original Sound Blaster sound cards, with some improvements geared towards compatibility and sound quality. In this article, we analyze in detail the two [...]
In the world of retrocomputing, modern interfaces and innovations allow us to breathe new life into our beloved vintage computers. During Varese RetroComputing 2024, a reference event for fans of historical technologies, I interviewed Lorenzo Bolla, creator of the [...]
At Varese Retrocomputing 2024, an event dedicated to vintage technology enthusiasts, I had the honor of interviewing Sergio Gervasini of ESoCoP. In this fascinating conversation, Sergio takes us through the history of Steve Jobs' most representative computers, exploring the technological evolution [...]
In the world of retrogaming, Ghostbusters is one of the few video games that I enjoyed a lot as a child. The game was inspired by the famous 1984 movie. In this exclusive video interview for the ValorosoIT channel, recorded at Varese Retrocomputing 2024, [...]
In today's video, I take you with me to the exhibition Historybit – Computer Stories, organized by Davide and Alberto Fornasiero of Studio FBP in Cerro Maggiore. It is an unmissable opportunity to explore the evolution of technology through an extraordinary collection of [...]
I had purchased this Commodore PET (Personal Electronic Transactor) CBM 8032, in the United States, and it had arrived in my collection at the end of 2021. This 8-bit computer, produced in the early 80s, had caught my attention for the [...]
Arcade cabinets (or Coin-Ops, as they are often called) marked an era. From the 70s until the early 90s, these entertainment giants dominated arcades, bars, and trade shows, offering unique gaming experiences that [...]
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 bought an IBM PS/1 model 2011 from a friend of mine. The computer was sold to me at a good price, but it had some flaws to fix, such as the classic errors 161 and 163 when turned on. To solve the problems [...]
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 […]