IBM 5150 Restoration Part 04 - 8088 CPU Hijinks

Merry #DOScember! In the final #DOScember 2025 installment of the IBM 5150 restoration series, I take a deeper dive into using an oscilloscope to probe around the motherboard looking for which chip(s) are keeping my PC from booting with a little help from some friends.

Videos In This series
Part 0 - Welcome home, IBM 5150 PC
   • IBM 5150 Unboxing and Review  

Part 01 - Testing the Power Supply
   • IBM 5150 Restoration Part 01 - PSU  

Part 02 - The Motherboard
   • IBM 5150 Restoration Part 02 - Motherboard  

Part 02 - Power On Follow Up
   • IBM 5150 Restoration Part 02 Follow Up - P...  

Part 03 - Clock Signal Test
   • IBM 5150 Restoration Part 03 - Clock Signa...  

Part 04 - This Part

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