[coreboot] 3 questions about coreboot

Peter Stuge peter at stuge.se
Wed Jul 7 19:25:34 CEST 2010

ali hagigat wrote:
> BIOS chip is not connected to CPU directly after reset!!

See http://stuge.se/pc2010.png for a sketch of the components in a
contemporary PC. The boot flash is very far away from the CPU.

> When CPU gets ready  to read from F000:FFF0, this request travels to
> BIOS chip.

Yes. It works because all components along the way are hardwired to
decode accesses to the flash chip when they come out of reset.


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