Jeff wrote: ↑Wed Nov 13, 2019 10:22 am
luovuus wrote: ↑Wed Nov 13, 2019 9:43 am
Ok, doublechecked the connections and they match the 12-pin pinout. As for pin 28/5 (WP) it seems pin28 is high which causes error 2 (disk write protected) when trying to save on the Korg.
This sound not good at all : This means that the logic polarity of the WP pin is inverted... Can you check the default state of all others signal with the quickdisk drive connected ?
EDIT : No, the polarity appears to be ok - But why the signal is high ? Have you selected an QD file image ?
Doesn't it select the image automatically after a couple of seconds? It at least looks like it on the screen: DSKA0000.QD, T:000/001 S:0
Did some logic probing:
Inactive statuses at the gotek connector: 34:1, 30:0, 28:1, 24:1, 22:1, 20:1, 16:1, 10:0, 2:0
When saving: 22: 1--0--1, 30:0/1 blinking, 16:1--0--short 0/1 blinking--1
When loading: 30: 0/1 blinking, 16:1--0--1
I don't have a logic analyser but can do more probing if needed.