Uploaded August 2024 | Updated September 2026, 1 week ago

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What is on motherboards and server boards, how they work and how they are designed. Explained by Istvan Nagy

Links:
- Istvan's Book: amazon.com/Complex-Digital-Hardware-Design-Istvan/dp/1032702087
- FEDEVEL courses: fedevel.com/courses

Other links:
- Istvan's calculators and QUCS templates: https://www.buenos.extra.hu/mycalculators.html
- Open Compute project server and switch card designs: opencompute.org/contributions
- TopJtag Probe software: topjtag.com/probe
- Istvan's website and FPGA card: https://buenos.extra.hu/s6bfboard.htm
- The Open Hardware Repository ohwr.org/explore

Chapters:
00:00 What is this video about
00:49 What is a complex design
08:22 PC Motherboard described
12:39 Power
16:03 Power states
21:10 Laptop vs. Standard PC
23:07 Thermal management
27:06 I2C
29:33 Memories and timing
39:25 x86 vs. other architectures
42:06 Industrial motherboards
45:30 Backplanes
47:38 High speed signals, signal integrity, simulations
54:39 QUCS simulator
56:23 SPI, JTAG
58:32 How many schematic pages and what is there
1:01:40 SERDES
1:06:43 Power supplies
1:18:19 Reliability issues, testing and measuring
1:24:29 Debugging
1:29:40 PCB materials
1:33:06 Floor planning
1:37:54 You power it up and it doesn't work
1:45:02 Measuring by probes
1:47:20 Open Compute Project OPC
1:49:15 Istvan's book

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- Robert