Milkymist One Power On Off Sequence

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1 Normal RC2 Power On Off Sequence
2 How do un-booted conditions generated?
3 Known bug on H/W and Solutions
4 Links

Normal RC2 Power On Off Sequence

Booted: A manuscript of illustrating Milkymist One RC2 0x1a board. It is collected from Milkymist One RC2 Collective Waveforms Captured While Power On/Off.

How do un-booted conditions generated?

Known bug on H/W and Solutions

Un-booted: MM1 RC2 0x2c board; CH1 = DONE(triggered source), CH2 = PROGRAM_B; triggered at rising edge by switching on an AC 110V from the input of AC(EU) DC adapter WN10B-050; without reset ic, no 82nF besides R60, power cycling : On(D2 lights flash) -> Off -> On(D2 slight lights eventually), Monitor Milkymist logo doesn't show up. 100m sec/div
Un-booted: MM1 RC2 0x2c board; CH1 = DONE(triggered source), CH2 = PROGRAM_B; triggered at rising edge by switching on an AC 110V from the input of AC(EU) DC adapter WN10B-050; with reset ic connected to PROGRAM_B, no 82nF besides R60, power cycling : On(D2 lights flash) -> Off -> On(D2 lights off eventually), Monitor Milkymist logo shows up but doesn't enter Flicknoise control panel screen.100m sec/div
Booted: MM1 RC2 0x2c board; CH1 = DONE(triggered source), CH2 = PROGRAM_B; triggered at rising edge by switching on an AC 110V from the input of AC(EU) DC adapter WN10B-050; with reset ic connected to PROGRAM_B, no 82nF besides R60, power cycling : On(D2 lights flash) -> Off -> On(D2 lights off eventually), Monitor Milkymist logo shows up and enters Flicknoise control panel screen.250m sec/div
Un-booted: MM1 RC2 0x2c board; CH1 = DONE(triggered source), CH2 = U9 RP#; triggered at rising edge by switching on an AC 110V from the input of AC(EU) DC adapter WN10B-050; with reset ic connected to PROGRAM_B, No 82nF, power cycling : On(D2 slight flash) -> Off -> On(D2 lights On eventually), Monitor Milkymist logo shows up but doesn't enter Flicknoise control panel screen.100m sec/div
Booted: MM1 RC2 0x2c board; CH1 = DONE(triggered source), CH2 = U9 RP#; triggered at rising edge by switching off an AC 110V from the input of AC(EU) DC adapter WN10B-050; with reset ic connected to PROGRAM_B, no 82nF besides R60, power cycling : On(D2 lights flash) -> Off -> On(D2 lights off eventually), Monitor Milkymist logo shows up and also enters Flicknoise control panel screen.250m sec/div