Stuff

Startup script:
@reg copy HKLM\HARDWARE\ACPI\DSDT\VBOX__ HKLM\HARDWARE\ACPI\DSDT\DELL__ /s /f
@reg delete HKLM\HARDWARE\ACPI\DSDT\VBOX__ /f
@reg copy HKLM\HARDWARE\ACPI\RSDT\VBOX__  HKLM\HARDWARE\ACPI\RSDT\DELL__ /s /f
@reg delete HKLM\HARDWARE\ACPI\RSDT\VBOX__ /f
@reg copy HKLM\HARDWARE\ACPI\FADT\VBOX__ HKLM\HARDWARE\ACPI\FADT\DELL__ /s /f
@reg delete HKLM\HARDWARE\ACPI\FADT\VBOX__ /f
@reg delete HKEY_LOCAL_MACHINE\HARDWARE\ACPI\DSDT\DELL__\VBOXBIOS /f
@reg delete HKEY_LOCAL_MACHINE\HARDWARE\ACPI\FADT\DELL__\VBOXFACP /f
@reg delete HKEY_LOCAL_MACHINE\HARDWARE\ACPI\RSDT\DELL__\VBOXXSDT /f
@reg import C:\Users\test.reg


test.reg
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System]
"SystemBiosDate"="06/23/2009"
"SystemBiosVersion"=hex(7):44,00,45,00,4c,00,4c,00,00,00,00,00
"VideoBiosVersion"=hex(7):56,00,47,00,41,00,20,00,42,00,49,00,4f,00,53,00,20,\
  00,76,00,31,00,2e,00,35,00,34,00,00,00,00,00