1) Load symbols in windbg (.sympath srv*https://msdl.microsoft.com/download/symbols;.reload /f)
2) lv to get base virtual address of nvlddmkm
3) add 2863B4 (or calculate offset from base by finding: 75 07 B8 69 00 00 00)
4) Confirm that this starts with 75
Now live WinDBG won't let you edit virtual memory, so edit it in physical memory.
5) !vtop 0 \<virtual address without the `>
6) !eb \<physical address> eb