http://blog.romheat.net/tags/ibm5150/Recent content in Ibm5150 on cseguraHugoen-usSat, 03 Feb 2024 06:37:07 +0100http://blog.romheat.net/posts/2024/24_02_03_ibm5150_motherboard/Sat, 03 Feb 2024 06:37:07 +0100http://blog.romheat.net/posts/2024/24_02_03_ibm5150_motherboard/<p>I have been repairing the IBM 5150 motherboard.</p> <p>Tantalum Capacitors are known to fail, :-) This is the famous C56</p> <p><img src="https://i.imgur.com/zXfl75J.jpg" alt="Exploded"></p> <p>Almost each memory chip had a tantalum capacitor.</p> <p><img src="https://i.imgur.com/NfYTaMD.jpg?1" alt="Motherboard"></p> <p>Also ISA slots had tantalum capacitors.</p> <p><img src="https://i.imgur.com/Rl7MA11.jpg?1" alt="Motherboard2"></p> <p>This ones, near the power supply connector, were also tested.</p> <p><img src="https://i.imgur.com/Haumat5.jpg?1" alt="Motherboard3"></p>