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Hi, I have a DS1512+ with bad usb dom too. I have taken it out and tried to connect it via serial usb to ttl, plugged in to my windows PC + mac, my computers cannot detect the dom at all. It's dead. I need help, how does one who are in my situation, fix this syno boot issue without the image. Any image for ds1512+ available? (I know it may not be legal but it's only to fix my dead edom) :(