Repairing a completely dead IBM PC 5150 motherboard

In a recent second channel video I tested four PC motherboards. This IBM PC 5150 motherboard was in that lot and I found it to not be working. Let’s troubleshoot the problem and try to get this 1983 IBM PC motherboard working again. Part 1: This part! Part 2: Coming soon --- Video Links My initial testing of this IBM PC 5150 motherboard: Great resource for IBM PC information: IBM PC 5150 Switch settings: IBM PC 5150 Technical Manual: (64-256k) RGB2HDMI: (What I’m using to capture CGA) Adrian’s Digital Basement Merch store: Adrian’s Digital Basement ][ (Second Channel) Support the channel on Patreon: -- Tools Deoxit D5: O-Ring Pick Set: (I use these to lift chips off boards) Elenco Electronics LP-560 Logic Probe: Hakko FR301 Desoldering Iron: Rigol DS1054Z Four Channel Oscilloscope: Head Worn Magnifying Goggles / Dual Lens Flip-In Head Magnifier: TL866II Plus Chip Tester and EPROM programmer: (The MiniPro) TS100 Soldering Iron: EEVBlog 121GW Multimeter: DSLogic Basic Logic Analyzer: Magnetic Screw Holder: Universal ZIP sockets: (clones, used on my ZIF-64 test machine) RetroTink 2X Upconverter: (to hook up something like a C64 to HDMI) Plato (Clone) Side Cutters: (order five) Heat Sinks: Little squeezy bottles: (available elsewhere too) --- Links My GitHub repository: Commodore Computer Club / Vancouver, WA – Portland, OR – PDX Commodore Users Group --- Instructional videos My video on damage-free chip removal: --- Music Intro music and other tracks by: Nathan Divino @itsnathandivino