The skill of replacing the letter in the PE system

Want to change the PE system B disk to W disk, how to modify it, according to practice, the general need to modify the following places:

1, WINPE. There is one place in the INI that needs to be modified:

Configuration file Start

Moun%curdrv%minipeop. wim,w:,1

ENVI opdir=w: External Program

2, Winpe.is_ Core decompression, under the System32 has a setupreg.hi_, and then decompression, get Setupreg.hiv, with Registry workshop load as a registry hive WinPE, here are two to change:

[Hkey_local_machinepecontrolset001controlsession Managerenvironment]

"Path" = "%systemroot%;%systemroot%system32; W: External program Pe_outerpartmmc; W: External Programs Internet Explorer

[Hkey_local_machinepecontrolset001servicesramdrivparameters]

"DriveLetter" = "W:"