May 2 2024
Wang 600 Wire ROM Readout
Dumping, saving and assessing the microcode image
Wang 600 Machine Log
This is the restoration and preservation log for DoPECC’s Wang 600 Calculator, Serial CC 2001, dated May 1972.
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Wang 600 Fault Summary S/N CC 2001 - List of Faults Found & Fixed
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Apr 29 2024 Wang 600 Wire ROM Optimization Understanding and optimizing the ROM and the ROM Reader
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Apr 26 2024 Wang 600 Wire ROM Repair Major Success, Minor Disappointment
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Apr 15 2024 Wang 600 Wire ROM Diagnosis Diagnosis of Silent Column and Rows
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Apr 7 2024 Wang 600 Diagnostic Microcode - MAV Fault Custom microcode reveals failed IC
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Jan 24 2024 Wang 600 ROM Emulator Microcode ROM emulated with UVEPROM
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Nov 22 2023 Wang 600 ROM Readout and Verify Read and verify the entire ROM to determine if microcode is valid
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Sep 15 2023 Wang 600 Potential ROM Fault Suggestion of Dead ROM bit
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Sep 9 2023 Wang 600 IC Socket Corrosion IC sockets should always be carefully checked
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Sep 2 2023 Wang 600 RAM Testing MOS RAM Basic Tests
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Aug 24 2023 Wang 600 Simple Microcode Emulator Diagnostics with a 1-word emulator
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Aug 21 2023 Wang 600 Microcode Tracing Seeking any meaningful microcode activity
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Aug 16 2023 Wang 600 ROM Address Test ROM test - no outputs
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Aug 14 2023 Wang 600 First Test Dead machine, no responses
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Jun 23 2023 Wang 600 Power Repair & Protection Voltage Regulator Repairs and Volt Clamps
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May 19 2023 Power Supply Restore & Test Aged Parts and a Design Error
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May 16 2023 New Wang 600 Acquisition and Checkout
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May 1 2023 Wang 600 Fault Summary S/N CC 2001 - List of Faults Found & Fixed