The wiki is being retired!
Documentation is now handled by the same processes we use for code: Add something to the Documentation/ directory in the coreboot repo, and it will be rendered to https://doc.coreboot.org/. Contributions welcome!
Dual Parallel Flash
Dual flash "pie". One for keeping working firmware image. Flash chips are selectable by a tumbler switch
Detailed "pie" structure. In a yellow ellipse you can see blue lines, that shows how to bend pins
VCC is connected to pull-up resistors
Resistors are about 100 k?. Please note that green and red wires are also connected to their corresponding flash chip's chip select signal