I'm using RP2040 one and I'm only getting one quick red light. Is it my installation or the chip is blank (i hold down boot, plug it in and drop the 2.5 fw.ufc & reboot)? I'm using the v2 hwfly cpu cable on a v2 (use the 3, 4 or 3-4 points on the cable), added 47 ohm on the 3 points and 20 ohm...