Mhouranix1125
commented
1 year ago One thing that usually runs consistent when people run into issues attempting to move things from an OEM board to one of my boards is the initial use of solder paste and hot air.
Upon inspecting your board, it also looks like you were pretty rough with the iron and scraped around while soldering in the chip (if you look at some of the pads you can see you've dug up and tinned the traces in several areas).
When I move things to this board, I have found that you should only use solder paste and hot air on resistors and capacitors. I always put those in first.
Next I only use a soldering iron and Flux to put the chips in. The issues you're talking about pertaining to the white screens amd crashing usually happen when the FRAM is not soldered in properly.
ewaynem
BOM:
I have tested this on two individual boards, one running an original Pokemon Silver rom, and one running an original Trade & Battle: Card Hero rom. I have not tested the RTC on the Card Hero, but the RTC on the SIlver functions properly and has been running for several days without failure. The FRAM chip on the Silver functions and holds a save.
Each part was soldered on using hot air and flux. They were placed in one at a time to prevent mix up. I have tested the resistors to insure they are not in the incorrect positions. I do not have a way to test the capacitors, though I am certain they are placed correctly. Touchup was done with a soldering iron and more flux. There are no bridges.
Sometimes the games run for a minute before crashing, sometimes they crash before getting past the title screen. They will both either freeze entirely, crash to a white screen, or reset to the title menu with corrupted sprites and colors. Most often they crash after A or B inputs or D-pad inputs. This occurs in both an original Gameboy Color and an original Gameboy Advance SP. I haven't yet tested whether this occurs in a Gameboy Advance or a Gamecube Gameboy Player.