I have been trying to install x64 Windows XP onto my old laptop for a few months now, with no success. The first error I came up with is:
0x0000007B
That was fixed after installing a modded ACPI.SYS file. Now I am onto this next errorL
0x0000007E
Laptop is set to IDE mode and has CSM enabled.
Product Name: HP Notebook
Product Number: W2M87UA
Processor Type: AMD Quad-Core A8-7410 APU with Radeon R5 Graphics
BIOS Version: F.37
BIOS Vendor: Insyde