Congrats on getting it finally working. Cant be a proper 2001 without a march time card. The slow pulse feature upon silence requires the jumpers to be rearranged i believe as you need to have the march time card go back to its normal state while still powering one of the signal cards until reset. Its definitely a rare feature as ive only seen 2 enthusiasts with that enabled. I just got my big 2001-8023 working and the way the new board came setup was that the march time card kept pulsing at a fast rate until reset although the signals stopped upon silence. So if i got one circuit to stay on it would do a fast pulse until reset instead of a slow pulse. Hopefully someone with that feature can shed some light on how that works. I may know someone who has a 2001 that does that. But they arent on the forums so ill have to ask for a picture and post it here.