Here are you can find bios modifications
for Lga775 motherboard , they're injected lga771 microcode base
on stock bios.(Type of bios are AMI 8.0 BIOS , Award bios
,Phoenix bios)
User could refer to
this site to understand the Chipset compatibility in lga771
to lga775 adapter
,not all lag775 mainboard can support install a lga771 xeon
processor.
If someone also need to unlock advanced menu for ASUS laptops ,
you can contact me .(Intel 8th , 9th and 10th gen platform need
a little charge) .