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 [...]

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 [...]