HP 9825 Repair Part 3: HP Logic Analyzer to the Rescue
After two episodes of repairs, we could see encouraging signs of life from the processor. Maybe the Logic Analyzer will give us a clue about why it's not booting. HP 9825 repair playlist: • HP 9825 Repair Saga Our sponsor for PCBs: https://www.pcbway.com Support the team on Patreon: / curiousmarc Buy shirts on Teespring: https://teespring.com/stores/curiousm... Learn more on the companion site: https://www.curiousmarc.com Contact info: https://www.youtube.com/curiousmarc/a... Music Credits: Crinoline Dreams by Kevin MacLeod (incompetech.com)
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HP 9825 Repair Part 4: The processor reads and executes ROM code!
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HP 9825 Repair Part 6: Can the HP 547A probe get us out of trouble?
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EEVblog #1237 - Old School Teardown: HP3785A Jitter Analyser
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Using a Logic Analyser Part1
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HP 9825 Repair Part 5: We have an Apollo 13 disaster on our hands
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This Computer is from a Defunct Supercomputer Company
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HP 9825 Repair Part 8: memory fault finally identified, it boots again!
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Using the HP1630D Logic Analyzer with the 8031/8051 Microcontroller to Reverse Engineer its Code
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The DEVIL in the Breville - Repair Cafe Toaster Fix
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HP 9825 Repair Part 7: How a 16K “4116” DRAM chip works
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HP 9825 Repair Part 10: We talk to Bob Stern, the one and only Mr. Fancy Pants.
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Once You Understand it, You Will Think Everything Else is Silly - Toyota E-CVT
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The Technology We Killed in the 1960s Is Now Worth $3.3 Billion
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Open Source 8.5 Digit Voltmeter from CERN: Build and Test
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HP 9825 Repair Part 15: recovering & running programs for vintage HP test equipment
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A Gas Pump Computer from 1993!
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HP 9895A Part 2: Epic Controller Board Repair (and a transparent chip surprise)
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Episode 3: Complete Front Axle Restoration | Renault 4
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HP 9825 Repair - Part 12: fighting with the amazing HDSP-2000 LED displays
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