J'ai trouvé une doc anglaise que j'ai pas vraiment compris :
"APIC : Through IOAPIC generate more IRQ for system use
PIC: Use AT standard IRQ controlles to generate IRQ.
When you already have IOAPIC enable system and want to upgrage the systeme please note, since running an IOAPIC enable OS (like Windows NT,2000,XP...) system with none IOAPIC HW support will cause the system to hang. Follaowing are some situations users might run into:
1.An IOPIC enables OS and change the BIOS setting from IOAPIC to PIC, this will cause your system to hang."
Les forts en anglias et en micro sont les bienvenus !
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Le plus dur c'est pas de mourir c'est de rester mort! [:gmo]