> - To which extent is the initialization stuff performed by the BIOS repeated
> by Linux kernel?
Only in part
> - Which tasks really have to be performed by the BIOS? What does Linux rely
> on?
o CPU initialisation sequences - eg the very undocumented L2 cache
programming on earlier PII chips and the MTRR setups for early
steppings to disable (we think) some CPU optimisations
o Chipset initialisation sequences
o PCI bus configuration including boot rom execution
o Memory sizing
Alan
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