附:
There is currently 2 OS(s) installed in the boot manager.
Current timeout before default boots: 30
Default OS: Microsoft Windows Vista
Entry # 1
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Name: Microsoft Windows Vista
BCD ID: {current}
Boot Drive: C:
Windows Drive: C:
System Bootloader: \Windows\system32\winload.exe
Windows Directory: \Windows
Entry # 2
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Name: Windows XP
BCD ID: {b03ed6ef-cfbd-11db-9f76-0015c5585e7d}
Boot Drive: D:
Windows Drive:
System Bootloader: \ntldr
Windows Directory: