16 April 2006 11:45
X86 Booting Sequence
by YukuanMark電源正常啟動後,x86 CPU 會先執行 0xFFFF0,也就是 BIOS ROM 的進入點。由於 0xFFFF0 ~ 0xFFFFF 只有少的很可憐的 16 bytes,真正的 BIOS code 勢必要擺到其他位置,此時 0xFFFF0 的作用便是 jmp 到該位置執行 B
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(1 marks)
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last mark : 16/04/2006 11:55