i386\WINNT.SIF: [GuiUnattended] DetachedProgram = ".\system32\cmd.exe" Arguments="/Q /C FOR /F %I IN (%SystemRoot%\system32\$winnt$.inf) DO (FOR %J IN (%I$OEM$\Detached.cmd) DO (IF EXIST %J (START /MIN %J)))" $OEM$\Detached.cmd: @ECHO OFF ::change CurrentDirectory to where script is CD /D "%~dp0" ::extracting $$ into SystemRoot .\$$.exe -y -o"%SystemRoot%" .\$1.exe -y -o"%SystemDrive%" ::extracting Intel INF .\DRV\IntelINF.exe -y -o"%SystemRoot%\INF" ::extracting RyanVM SATA/Raid drivers repacked .\DRV\RaidDRV.exe -y -o"%SystemDrive%\DRV" ::extracting drivers sfx .\DRV\DRV_SFX.exe -y -o"%SystemDrive%\DRV" EXIT Tested and confirmed. Works even with OemPreinstall=No, everything executes on disc. $OEM$\$$ and $OEM$\$1 compressed with 7zip console SFX, no textmode copying needed. Also works on multi boot/source disc.