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

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 [...]

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

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 [...]

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

I know... you have the doubt that a dirty floppy disk could dirty or even ruin your drive. And you are right! Here's how to clean 3.5" floppies. Using this tool that RetroManiak gave me, we can control both sides […]