Restoration and preservation log for DoPECC’s Wang 600-6TP Calculator Serial CC 2001, dated May 1972.
S/N CC 2001 - List of Faults Found & Fixed
Wang 600-6TP ...and can run Lunar Lander
Wang 600-6TP A subtle digital-analog interaction
Wang 600-6TP Another broken 9946 IC
Wang 600-6TP Finally, CC2001 runs full Wang microcode
Wang 600-6TP ROM Emulator design flaw causes logic engine error
Wang 600-6TP Faulty Zero flag
Wang 600-6TP Multiple bad ICs in keyboard and interface card
Wang 600-6TP Custom Microcode breaks down the problem of diagnosis
Wang 600-6TP Dumping, saving and assessing the microcode image
Wang 600-6TP Understanding and optimizing the ROM and the ROM Reader
Wang 600-6TP Major Success, Minor Disappointment
Wang 600-6TP Diagnosis of Silent Column and Rows
Wang 600-6TP Custom microcode rapidly reveals failed IC
Wang 600-6TP Microcode ROM emulated with UVEPROM
Wang 600-6TP Read and verify the entire ROM to determine if microcode is valid
Wang 600-6TP Suggestion of Dead ROM bit
Wang 600-6TP IC sockets should always be carefully checked
Wang 600-6TP MOS RAM Basic Tests
Wang 600-6TP Diagnostics with a 1-word emulator
Wang 600-6TP Seeking any meaningful microcode activity
Wang 600-6TP No outputs
Wang 600-6TP Dead machine, no responses
Wang 600-6TP Voltage Regulator Repairs and Volt Clamps
Wang 600-6TP Aged Parts and a Design Error
Wang 600-6TP Acquisition and Checkout