See some hardware pr0n after the break.
First, please remember the overall structure of a pre-Type-3-Triforce:
The first picture shows the Gamecube board, together with the Power- and IO-board still attached. Also you can see the bios override chip (modchip). Here you can see the IPL with debug output redirected to the screen:Finally, the whole setup (GDROM is in the blue thing in the back, PCB on top is the network PCB of the DIMM board) as it’s currently on my desk: Thanks!