Dallas DS1287, DS 1287, RTC, CR2032 lithium battery modification, clock and RAM, article cover

Dallas DS 1287 Modification: External Battery

Do you have an old IBM computer, maybe a PS/2 Model 30 or another machine from the late 80s or early 90s, that no longer maintains the BIOS configuration? Do you end up with errors 161, 162, and 163 when I start up? […]

Clean IBM 8513 monitor, looks like new. IBM PS/2 model 30 286. IBM model M buckling springs mechanical keyboard. Original IBM mouse.

Disassembling and cleaning the IBM 8513 monitor

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 […]

MS DOS 4 DOSSHELL, DOS SHELL, Microsoft

Microsoft releases MS DOS 4 Source Code

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 […]

Disassembling and cleaning IBM model M buckling spring mechanical keyboard, article cover

IBM Model M keyboard: disassembly and cleaning

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. […]

IBM PS/2 model 30 for spare parts, package found, good or bad luck, cover

Reappeared! IBM PS/2 model 30 for spare parts

Benvenuti su ValorosoIT, il blog dove esploriamo l’affascinante mondo dei retrocomputer e dell'elettronica vintage. Oggi vi racconto la storia di un pacco smarrito, poi ritrovato, di un imballaggio discutibile e delle brutte sorprese incontrate con un mio acquisto: un IBM […]

Transfer old computer files, FastLynx 3.3, MSDOS Windows, Cover

FastLynx to transfer files between old and new PCs

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, [...]

DS1287 replacement nwX287 by Necroware, IBM PS/2 model 30 286, article cover

IBM PS/2, DS1287 – nwX287

Bentornati! Affrontiamo una riparazione fondamentale sull’IBM PS/2 Model 30 286: la sostituzione del Real Time Clock (RTC), in particolare il Dallas DS1287, con una moderna alternativa, l'nwX287 by Necroware. Errori di configurazione del computer IBM Il Dallas DS1287, presente anche […]

How to clean 3.5" floppy disks, 3.5, 3 and a half floppy cleaners, 3" 1/2, RetroManiak, magnetic disk, floppy disks, mini floppy disks, micro floppy disks

How to clean 3.5-inch floppies

Lo so... avete il dubbio che un dischetto sporco possa sporcare o addirittura rovinare il vostro drive. E avete ragione! Ecco come pulire i floppy da 3.5". Tramite questo attrezzo che mi ha regalato RetroManiak, possiamo controllare entrambi i lati […]