Vintage Computing

Old retro computers!

EEVblog #1364 – Compaq Portable PSU REPAIR

Dave repairs the Compaq Portable Plus power supply. And takes a look at the schematic and an unusual old documentation system. Forum: https://www.eevblog.com/forum/blog/eevblog-1364-compaq-portable-psu-repair/ Podcast: Download

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EEVblog #1358 – $250,000 IBM Processor X-RAYED!

Collaboration with CPU Galaxy! The $250,000 IBM ceramic hybrid TCM processor module is X-RAYED! BONUS x-ray of a classic DIP chip! Technical PDF: https://eevblog.com/files/ibm-system390-air-cooled-alumina-thermal-conduction-module.pdf Forum: https://www.eevblog.com/forum/blog/eevblog-1358-$250-000-ibm-processor-x-rayed/ Podcast: Download

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