Cmon, Im not that incompetent :P too bad you didnt line it up with second row so I could precisely see where metal touches. Inner size looks almost perfect, outer slightly too long? We lift iron, we no blood in brain, we stupid. Seriously after our regular gym session we even count one, two, many, …

I think the pcb is not feeling well Filename abort_mission.png File size 258.13 KiB Views 710 views File comment Chip overboard! Abort mission! File license Public domain EDIT: Oh snap, too clever for us. It's the oversized one just for the test.

miisalo was managing to solder the rams ok, particularly after doing couple of chips, but observed that making the pads bit bigger would ease the job. Yeah, pads need to go more under the chips as curved pins are not even touching the pads and I had to bridge them with solder. I have really good …

Puuh - happy I got it right in post "2024-02-05, 17:15". This should be easy to fix in layout "Rev. 1.1". Congrats to everyone! Would have helped if I had looked back the thread when I realized that there was short between 5V and GND. And of course rockstarrunner sent me the link to that post after …

Measured motherboard against schematics: B56 - 30 Ohms to the ground this is 5V not GND like in schema B52 - 0 Ohms to the ground, this is GND, not 5V like in schema B48 - 30 Ohms to the ground this is 5V not GND like in schema B43 - 0 Ohms to the ground, this is GND, not 5V like in schema fix.png …

Just small clarification, I added wires to 5V and GND just using CT1 as soldering point and used oscilloscope to check what happens with powerline as computer didn't react at all and it looked like 5V started to come up and shut down immediately. My brain is currently lacking any blood circulation …